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Tuliebieke T, Abdullah, Zhang H, Yan R, Li H, Zhang Y, Zhang T, Ahmed I, Li T, Tian X. Exploring the biological diversity and source species of medicinal horseflies through metabarcoding. Gene 2024; 913:148356. [PMID: 38462022 DOI: 10.1016/j.gene.2024.148356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 02/22/2024] [Accepted: 03/07/2024] [Indexed: 03/12/2024]
Abstract
Horseflies from the Tabanidae family play a significant role in traditional Chinese medicine to treat various health conditions, including coronary heart disease, stroke, headaches, liver cirrhosis, psoriasis, and hepatic carcinoma. There are 27 species of Tabaninae (Tabanidae) used as medicine, and they showed high morphological similarities with those for which medicinal properties have not been reported. Nonetheless, there have been reports suggesting that medicinal crude drugs sometimes contain irrelevant or false species, impacting the drug's efficacy. In this current study, we collected 14 batches, totaling 13,528 individuals, from various provinces in China. Instead of "classic" DNA barcoding strategy, we employed a high-throughput metabarcoding approach to assess the biological composition of crude drug mixtures derived from horseflies. Our analysis identified 40 Amplicon Sequence Variants (ASVs) with similarity percentages ranging from 92% to 100% with 12 previously reported species. Species delimitation methods revealed the presence of 11 Molecular Operational Taxonomic Units (MOTUs), with ten belonging to the Tabanus genus and one to Hybomitra. Tabanus sp6 displayed the highest relative abundance, and its ASVs showed close resemblance to Tabanus pleski. Our investigations revealed that the medicinal batches were biologically composed of 6 to 12 species. Some batches contained ASVs that closely resembled species previously associated with false Tabanus species. In conclusion, our findings offer valuable insights into the biological composition of crude drugs derived from horseflies and have the potential to enhance the quality of these traditional medicines.
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Affiliation(s)
- Tenukeguli Tuliebieke
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Abdullah
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Huanyu Zhang
- School of Pharmaceutical Science and Technology, Tianjin University, Tianjin, China.
| | - Rushan Yan
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Hui Li
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Yue Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Tingting Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad 45710, Pakistan; Microbiological Analysis Team, Group for Biometrology, Korea Research Institute of Standards Band Science (KRISS), Daejeon 34113, Republic of Korea.
| | - Tianxiang Li
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Xiaoxuan Tian
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
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Yan R, Abdullah, Ahmed I, Jiang L, Tuliebieke T, Xing Z, Li H, Zhang Y, Zhang T, Tian X, Zhang H. The metabarcoding of Grubs: Traditional herbal medicine of Scarabaeidae larvae. Gene 2024; 910:148303. [PMID: 38401835 DOI: 10.1016/j.gene.2024.148303] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 02/04/2024] [Accepted: 02/19/2024] [Indexed: 02/26/2024]
Abstract
Grubs, called Qicao in China, have a long tradition as herbal medicine in East Asia. These larvae belong to the diverse family Scarabaeidae and are typically harvested from the wild during their immature stage based on morphological characteristics. However, rapid and accurate identification becomes challenging when relying solely on external morphological features, as the lack of clarity on biological sources raises safety concerns for clinical applications. The application of DNA metabarcoding provides a solution by enabling the determination of the biological source of a large sample. In the current study, we collected 19 batches of Grubs, consisting of 11,539 individuals, from the market and analyzed their biological composition through metabarcoding. We identified 49 Amplicon Sequence Variants (ASVs), 21 of which were Grubs. The 21 ASVs were classified into seven Molecular Operational Taxonomic Units (MOTUs) through species delimitation, which revealed that commercially available Grubs are predominantly sourced from Protaetia brevitarsis seulensis, while species of Rutelinae, Anomala, and Holotrichia were also abundant in some commercial batches. Among the identified ASVs, 28 belonged to non-Grub species and indicated adulteration from different animal families; high abundances of these ASVs were detected for Bombycidae, Tabanidae, and Viviparidae. Our findings underscore the complexity of Grubs' species composition and advocate for a deeper understanding of the wildlife sources contributing to herbal products. This research contributes valuable insights into the molecular identification of Grubs, paving the way for enhanced quality assurance in traditional medicine applications to provide safe and effective medicines for humanity.
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Affiliation(s)
- Rushan Yan
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Abdullah
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad 45710, Pakistan; Microbiological Analysis Team, Group for Biometrology, Korea Research Institute of Standards Band Science (KRISS), Daejeon 34113, Republic of Korea
| | - Lu Jiang
- Key Laboratory of Economic and Applied Entomology of Liaoning Province, College of Plant Protection, Shenyang Agricultural University, Shenyang Liaoning, 110866, China.
| | - Tenukeguli Tuliebieke
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Zhimei Xing
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Hui Li
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Yue Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Tingting Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Xiaoxuan Tian
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Huanyu Zhang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; School of Pharmaceutical Science and Technology, Tianjin University, Tianjin 300072, China.
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Richards T, Ahmed I, Harvey R, El Sakka K. Vascular access surgery training in the United Kingdom is currently perceived (by trainees) to be inadequate. Ann R Coll Surg Engl 2024. [PMID: 38563594 DOI: 10.1308/rcsann.2023.0110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024] Open
Abstract
INTRODUCTION Vascular access surgery (VAS) involves the creation and maintenance of arteriovenous access to facilitate haemodialysis. The prevalence of haemodialysis is rising despite increases in kidney transplants on a yearly basis. There is currently only one access surgery fellowship accredited by the Royal College of Surgeons of England. We aimed to establish the experience and perceived competence in access surgery of senior vascular surgery trainees. METHODS A short questionnaire (SurveyMonkey) was used to survey all senior (ST6-ST8) vascular surgery trainees in Health Education England (HEE) vascular surgery training programmes. The short survey asked trainees to report their: (1) training grade; (2) training deanery; (3) experience of access surgery; and (4) whether senior trainees thought they would be able to independently undertake primary access surgery post-completion of training (post Certificate of Completion of Training). The survey was circulated via HEE deaneries and the vascular surgery trainees' society: the Rouleaux Club. RESULTS Twenty-eight senior (ST6-ST8) vascular surgery trainees responded to the survey: 29.6% were ST6 level, 33.3% were ST7 and 37.1% were ST8. Deanery respondence was evenly spread, although London was overrepresented (37.1%). In total, 28.6% had been involved in fewer than 10 cases, 35.7% in 10-25 cases, and 35.7% in more than 25 cases. Almost 54% of senior vascular surgery trainees believed they would not be able to undertake independent access surgery once they had completed training. CONCLUSIONS Competence in access surgery is an increasing requirement of a consultant vascular surgeon. More formalised training is required to adequately train the next generation of vascular surgeons.
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Affiliation(s)
- T Richards
- University Hospitals Sussex NHS Foundation Trust, UK
| | - I Ahmed
- University Hospitals Sussex NHS Foundation Trust, UK
| | - R Harvey
- University Hospitals Sussex NHS Foundation Trust, UK
| | - K El Sakka
- University Hospitals Sussex NHS Foundation Trust, UK
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Richards T, Ahmed I, Harvey R, El Sakka K. Vascular access surgery training in the United Kingdom is currently perceived (by trainees) to be inadequate. Ann R Coll Surg Engl 2024. [PMID: 38563082 DOI: 10.1308/rcsann.2024.0480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024] Open
Abstract
INTRODUCTION Vascular access surgery (VAS) involves the creation and maintenance of arteriovenous access to facilitate haemodialysis. The prevalence of haemodialysis is rising despite increases in kidney transplants on a yearly basis. There is currently only one access surgery fellowship accredited by the Royal College of Surgeons of England. We aimed to establish the experience and perceived competence in access surgery of senior vascular surgery trainees. METHODS A short questionnaire (SurveyMonkey) was used to survey all senior (ST6-ST8) vascular surgery trainees in Health Education England (HEE) vascular surgery training programmes. The short survey asked trainees to report their: (1) training grade; (2) training deanery; (3) experience of access surgery; and (4) whether senior trainees thought they would be able to independently undertake primary access surgery post-completion of training (post Certificate of Completion of Training). The survey was circulated via HEE deaneries and the vascular surgery trainees' society: the Rouleaux Club. RESULTS Twenty-eight senior (ST6-ST8) vascular surgery trainees responded to the survey: 29.6% were ST6 level, 33.3% were ST7 and 37.1% were ST8. Deanery respondence was evenly spread, although London was overrepresented (37.1%). In total, 28.6% had been involved in fewer than 10 cases, 35.7% in 10-25 cases, and 35.7% in more than 25 cases. Almost 54% of senior vascular surgery trainees believed they would not be able to undertake independent access surgery once they had completed training. CONCLUSIONS Competence in access surgery is an increasing requirement of a consultant vascular surgeon. More formalised training is required to adequately train the next generation of vascular surgeons.
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Affiliation(s)
- T Richards
- University Hospitals Sussex NHS Foundation Trust, UK
| | - I Ahmed
- University Hospitals Sussex NHS Foundation Trust, UK
| | - R Harvey
- University Hospitals Sussex NHS Foundation Trust, UK
| | - K El Sakka
- University Hospitals Sussex NHS Foundation Trust, UK
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Moledina M, Ahmed I, Ranji A, Chipeta C, Caesar R, Malik A. Lateral tarsal strip procedure: comparison of absorbable sutures and non-absorbable polypropylene suture. Does the suture type matter? Eye (Lond) 2024; 38:752-756. [PMID: 37857715 PMCID: PMC10920783 DOI: 10.1038/s41433-023-02768-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Revised: 09/13/2023] [Accepted: 09/20/2023] [Indexed: 10/21/2023] Open
Abstract
BACKGROUND/OBJECTIVES To determine whether the success and complication rates of the Lateral Tarsal Strip (LTS) Procedure, when treating involutional ectropion/entropion, is influenced by the use of suture when attaching the tarsal strip to the periosteum. SUBJECTS/METHODS Multi-centre retrospective comparative study of re-operation and complication rates (Recurrence, Dehiscence, Suture Infection, Granuloma, Haemorrhage, Residual-Lid Laxity, Suture Extrusion and Repeat Procedure) in LTS, between 01/01/2017 and 01/01/2022 who met the inclusion/exclusion criteria, for involutional ectropion/entropion using an absorbable polyglactin (vicryl) and non-absorbable polypropylene suture (prolene). RESULTS 1079 operations in 891 patients (36% female, average age 81.4 years) were performed with an average follow-up of 1.785 years. 588 operations in 475 patients were performed using prolene whilst 491 procedures in 416 patients were performed using vicryl sutures. Of these, 61% were performed by a consultant surgeon in the prolene group compared to 49.7% in the vicryl group. Overall complication rates between prolene and vicryl were 24.7% and 29.7% (p = 0.061) respectively. Higher complication rates for post-operative residual lid laxity, granuloma and suture infection were greater in the vicryl group versus prolene (2.65% and 0.51% p = 0.004, 2.24% and 0.68% p = 0.03, 1.83% and 0.17% p = 0.007 respectively). Non-significant results for dehiscence or repeat procedures (2.24% and 2.21% p = 0.974, 6.72% and 9.01% p = 0.166 respectively). CONCLUSIONS Both sutures are effective for the correction of involutional ectropion/entropion with LTS. Dehiscence and redo rates were not statistically significant. Nevertheless, the use of vicryl suture was found to be associated with a higher complication rate for: post-operative residual lid laxity, granuloma and suture infection.
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Affiliation(s)
- Malik Moledina
- Department of Ophthalmology, Southend University Hospital, Southend, UK
| | - Ibrar Ahmed
- Ophthalmology Unit, Cheltenham General Hospital, Gloucestershire Hospitals NHS Foundation Trust, Cheltenham, UK
| | - Ananth Ranji
- Department of Ophthalmology, Southend University Hospital, Southend, UK
| | - Chimwemwe Chipeta
- Department of Ophthalmology, Southend University Hospital, Southend, UK
| | - Richard Caesar
- Ophthalmology Unit, Cheltenham General Hospital, Gloucestershire Hospitals NHS Foundation Trust, Cheltenham, UK
| | - Adeela Malik
- Department of Ophthalmology, Southend University Hospital, Southend, UK.
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Li H, Abdullah, Yang H, Guo H, Yuan Y, Ahmed I, Li G, Wang Y, Chang Y, Poczai P, Tian X. WITHDRAWN: Chloroplast genome evolution of Berberis (Berberidaceae): Implications for phylogeny and metabarcoding. Genomics 2024:110812. [PMID: 38395205 DOI: 10.1016/j.ygeno.2024.110812] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2023] [Revised: 02/06/2024] [Accepted: 02/19/2024] [Indexed: 02/25/2024]
Abstract
After consultation with external experts, the authors acknowledged discrepancies in the classification of certain Berberis samples discussed in the article. Berberis is one of the most complex plant genera, and identifications are very hard, limited to only a handful of experts due to rampant hybridizations and other issues of reticulate evolution. This article has therefore been withdrawn at the request of the authors and with the consent of the editor until the species identification issue has been resolved. The Publisher apologizes for any inconvenience this may cause. The full Elsevier Policy on Article Withdrawal can be found at https://www.elsevier.com/about/policies/article-withdrawal.
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Affiliation(s)
- Hui Li
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Abdullah
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Hongxia Yang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Hua Guo
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Ye Yuan
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad 45710, Pakistan; Microbiological Analysis Team, Group for Biometrology, Korea Research Institute of Standards and Science (KRISS), Daejeon 34113, Republic of Korea
| | - Guohui Li
- School of Chinese Materia Medica, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China
| | - Yu Wang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China
| | - Yanxu Chang
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
| | - Peter Poczai
- Finnish Museum of Natural History, University of Helsinki, PO Box 7, 00014 Helsinki, Finland.
| | - Xiaoxuan Tian
- State Key Laboratory of Component-Based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 301617, China; Haihe Laboratory of Modern Chinese Medicine, Tianjin 301617, China.
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Ahmed I, Maghsoudlou P, Shah N. Increasing trends in the use of the Precivia® intravitreal injection assist device across the UK. Eur J Ophthalmol 2024:11206721241232453. [PMID: 38378009 DOI: 10.1177/11206721241232453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/22/2024]
Abstract
BACKGROUND Intravitreal anti-VEGF injections are the most frequently performed outpatient procedure in the UK, the need for which continues to rise. To meet this demand, injection assist devices such as Precivia® are increasingly adopted to aid in their prompt and safe delivery. We present data on the usage of Precivia® intravitreal injection assist device across two district general hospitals and its distribution across the UK over five years. METHODS A retrospective review was undertaken of all Precivia® assisted intravitreal injections delivered at Great Western Hospitals NHS Trust (GWH), and Gloucestershire and Cheltenham Hospitals NHS Trust (GCH) between 2015-2020. Data were also obtained from the Precivia® device UK distributor; Veni Vidi Medical. RESULTS In GCH, 47,968 intravitreal injections were administered with Precivia®: 5947 in year 1; 7058 in year 2; 9893 in year 3; 11,503 in year 4 and 13,567 injections in year 5, observing a 128.13% increase in the use of Precivia® over the five-year-period. In GWH, 26,923 injections were administered with Precivia®: 4232 in year 1; 5117 in year 2; 5437 in year 3; 5878 in year 4 and 6259 in year 5, observing a 47.89% increase in Precivia® injections over a five-year study period. The number of Precivia® devices distributed across the UK similarly increased including 42,150 devices sold in 2015; 68,125 in 2016; 72,575 in 2017; 88,325 in 2018; 112,850 in 2019 and 115,125 in 2020 observing a 173.31% increase in five years. CONCLUSION An increasing trend in the use of the Precivia® intravitreal injection assist device was observed across the UK.
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Affiliation(s)
- Ibrar Ahmed
- Department of Ophthalmology, Great Western Hospital NHS Foundation Trust, Marlborough Road, Swindon, SN3 6BB, UK
- Department of Ophthalmology, Cheltenham General Hospital, Sandford Road, Cheltenham, Gloucestershire, GL53 7AN, UK
| | - Panayiotis Maghsoudlou
- Academic Unit of Ophthalmology, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Department of Ophthalmology, Cheltenham General Hospital, Sandford Road, Cheltenham, Gloucestershire, GL53 7AN, UK
| | - Nimish Shah
- Department of Ophthalmology, Great Western Hospital NHS Foundation Trust, Marlborough Road, Swindon, SN3 6BB, UK
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Staplin N, Haynes R, Judge PK, Wanner C, Green JB, Emberson J, Preiss D, Mayne KJ, Ng SYA, Sammons E, Zhu D, Hill M, Stevens W, Wallendszus K, Brenner S, Cheung AK, Liu ZH, Li J, Hooi LS, Liu WJ, Kadowaki T, Nangaku M, Levin A, Cherney D, Maggioni AP, Pontremoli R, Deo R, Goto S, Rossello X, Tuttle KR, Steubl D, Petrini M, Seidi S, Landray MJ, Baigent C, Herrington WG, Abat S, Abd Rahman R, Abdul Cader R, Abdul Hafidz MI, Abdul Wahab MZ, Abdullah NK, Abdul-Samad T, Abe M, Abraham N, Acheampong S, Achiri P, Acosta JA, Adeleke A, Adell V, Adewuyi-Dalton R, Adnan N, Africano A, Agharazii M, Aguilar F, Aguilera A, Ahmad M, Ahmad MK, Ahmad NA, Ahmad NH, Ahmad NI, Ahmad Miswan N, Ahmad Rosdi H, Ahmed I, Ahmed S, Ahmed S, Aiello J, Aitken A, AitSadi R, Aker S, Akimoto S, Akinfolarin A, Akram S, Alberici F, Albert C, Aldrich L, Alegata M, Alexander L, Alfaress S, Alhadj Ali M, Ali A, Ali A, Alicic R, Aliu A, Almaraz R, Almasarwah R, Almeida J, Aloisi A, Al-Rabadi L, Alscher D, Alvarez P, Al-Zeer B, Amat M, Ambrose C, Ammar H, An Y, Andriaccio L, Ansu K, Apostolidi A, Arai N, Araki H, Araki S, Arbi A, Arechiga O, Armstrong S, Arnold T, Aronoff S, Arriaga W, Arroyo J, Arteaga D, Asahara S, Asai A, Asai N, Asano S, Asawa M, Asmee MF, Aucella F, Augustin M, Avery A, Awad A, Awang IY, Awazawa M, Axler A, Ayub W, Azhari Z, Baccaro R, Badin C, Bagwell B, Bahlmann-Kroll E, Bahtar AZ, Baigent C, Bains D, Bajaj H, Baker R, Baldini E, Banas B, Banerjee D, Banno S, Bansal S, Barberi S, Barnes S, Barnini C, Barot C, Barrett K, Barrios R, Bartolomei Mecatti B, Barton I, Barton J, Basily W, Bavanandan S, Baxter A, Becker L, Beddhu S, Beige J, Beigh S, Bell S, Benck U, Beneat A, Bennett A, Bennett D, Benyon S, Berdeprado J, Bergler T, Bergner A, Berry M, Bevilacqua M, Bhairoo J, Bhandari S, Bhandary N, Bhatt A, Bhattarai M, Bhavsar M, Bian W, Bianchini F, Bianco S, Bilous R, Bilton J, Bilucaglia D, Bird C, Birudaraju D, Biscoveanu M, Blake C, Bleakley N, Bocchicchia K, Bodine S, Bodington R, Boedecker S, Bolduc M, Bolton S, Bond C, Boreky F, Boren K, Bouchi R, Bough L, Bovan D, Bowler C, Bowman L, Brar N, Braun C, Breach A, Breitenfeldt M, Brenner S, Brettschneider B, Brewer A, Brewer G, Brindle V, Brioni E, Brown C, Brown H, Brown L, Brown R, Brown S, Browne D, Bruce K, Brueckmann M, Brunskill N, Bryant M, Brzoska M, Bu Y, Buckman C, Budoff M, Bullen M, Burke A, Burnette S, Burston C, Busch M, Bushnell J, Butler S, Büttner C, Byrne C, Caamano A, Cadorna J, Cafiero C, Cagle M, Cai J, Calabrese K, Calvi C, Camilleri B, Camp S, Campbell D, Campbell R, Cao H, Capelli I, Caple M, Caplin B, Cardone A, Carle J, Carnall V, Caroppo M, Carr S, Carraro G, Carson M, Casares P, Castillo C, Castro C, Caudill B, Cejka V, Ceseri M, Cham L, Chamberlain A, Chambers J, Chan CBT, Chan JYM, Chan YC, Chang E, Chang E, Chant T, Chavagnon T, Chellamuthu P, Chen F, Chen J, Chen P, Chen TM, Chen Y, Chen Y, Cheng C, Cheng H, Cheng MC, Cherney D, Cheung AK, Ching CH, Chitalia N, Choksi R, Chukwu C, Chung K, Cianciolo G, Cipressa L, Clark S, Clarke H, Clarke R, Clarke S, Cleveland B, Cole E, Coles H, Condurache L, Connor A, Convery K, Cooper A, Cooper N, Cooper Z, Cooperman L, Cosgrove L, Coutts P, Cowley A, Craik R, Cui G, Cummins T, Dahl N, Dai H, Dajani L, D'Amelio A, Damian E, Damianik K, Danel L, Daniels C, Daniels T, Darbeau S, Darius H, Dasgupta T, Davies J, Davies L, Davis A, Davis J, Davis L, Dayanandan R, Dayi S, Dayrell R, De Nicola L, Debnath S, Deeb W, Degenhardt S, DeGoursey K, Delaney M, Deo R, DeRaad R, Derebail V, Dev D, Devaux M, Dhall P, Dhillon G, Dienes J, Dobre M, Doctolero E, Dodds V, Domingo D, Donaldson D, Donaldson P, Donhauser C, Donley V, Dorestin S, Dorey S, Doulton T, Draganova D, Draxlbauer K, Driver F, Du H, Dube F, Duck T, Dugal T, Dugas J, Dukka H, Dumann H, Durham W, Dursch M, Dykas R, Easow R, Eckrich E, Eden G, Edmerson E, Edwards H, Ee LW, Eguchi J, Ehrl Y, Eichstadt K, Eid W, Eilerman B, Ejima Y, Eldon H, Ellam T, Elliott L, Ellison R, Emberson J, Epp R, Er A, Espino-Obrero M, Estcourt S, Estienne L, Evans G, Evans J, Evans S, Fabbri G, Fajardo-Moser M, Falcone C, Fani F, Faria-Shayler P, Farnia F, Farrugia D, Fechter M, Fellowes D, Feng F, Fernandez J, Ferraro P, Field A, Fikry S, Finch J, Finn H, Fioretto P, Fish R, Fleischer A, Fleming-Brown D, Fletcher L, Flora R, Foellinger C, Foligno N, Forest S, Forghani Z, Forsyth K, Fottrell-Gould D, Fox P, Frankel A, Fraser D, Frazier R, Frederick K, Freking N, French H, Froment A, Fuchs B, Fuessl L, Fujii H, Fujimoto A, Fujita A, Fujita K, Fujita Y, Fukagawa M, Fukao Y, Fukasawa A, Fuller T, Funayama T, Fung E, Furukawa M, Furukawa Y, Furusho M, Gabel S, Gaidu J, Gaiser S, Gallo K, Galloway C, Gambaro G, Gan CC, Gangemi C, Gao M, Garcia K, Garcia M, Garofalo C, Garrity M, Garza A, Gasko S, Gavrila M, Gebeyehu B, Geddes A, Gentile G, George A, George J, Gesualdo L, Ghalli F, Ghanem A, Ghate T, Ghavampour S, Ghazi A, Gherman A, Giebeln-Hudnell U, Gill B, Gillham 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Effects of empagliflozin on progression of chronic kidney disease: a prespecified secondary analysis from the empa-kidney trial. Lancet Diabetes Endocrinol 2024; 12:39-50. [PMID: 38061371 PMCID: PMC7615591 DOI: 10.1016/s2213-8587(23)00321-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND Sodium-glucose co-transporter-2 (SGLT2) inhibitors reduce progression of chronic kidney disease and the risk of cardiovascular morbidity and mortality in a wide range of patients. However, their effects on kidney disease progression in some patients with chronic kidney disease are unclear because few clinical kidney outcomes occurred among such patients in the completed trials. In particular, some guidelines stratify their level of recommendation about who should be treated with SGLT2 inhibitors based on diabetes status and albuminuria. We aimed to assess the effects of empagliflozin on progression of chronic kidney disease both overall and among specific types of participants in the EMPA-KIDNEY trial. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA), and included individuals aged 18 years or older with an estimated glomerular filtration rate (eGFR) of 20 to less than 45 mL/min per 1·73 m2, or with an eGFR of 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher. We explored the effects of 10 mg oral empagliflozin once daily versus placebo on the annualised rate of change in estimated glomerular filtration rate (eGFR slope), a tertiary outcome. We studied the acute slope (from randomisation to 2 months) and chronic slope (from 2 months onwards) separately, using shared parameter models to estimate the latter. Analyses were done in all randomly assigned participants by intention to treat. EMPA-KIDNEY is registered at ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and then followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroups of eGFR included 2282 (34·5%) participants with an eGFR of less than 30 mL/min per 1·73 m2, 2928 (44·3%) with an eGFR of 30 to less than 45 mL/min per 1·73 m2, and 1399 (21·2%) with an eGFR 45 mL/min per 1·73 m2 or higher. Prespecified subgroups of uACR included 1328 (20·1%) with a uACR of less than 30 mg/g, 1864 (28·2%) with a uACR of 30 to 300 mg/g, and 3417 (51·7%) with a uACR of more than 300 mg/g. Overall, allocation to empagliflozin caused an acute 2·12 mL/min per 1·73 m2 (95% CI 1·83-2·41) reduction in eGFR, equivalent to a 6% (5-6) dip in the first 2 months. After this, it halved the chronic slope from -2·75 to -1·37 mL/min per 1·73 m2 per year (relative difference 50%, 95% CI 42-58). The absolute and relative benefits of empagliflozin on the magnitude of the chronic slope varied significantly depending on diabetes status and baseline levels of eGFR and uACR. In particular, the absolute difference in chronic slopes was lower in patients with lower baseline uACR, but because this group progressed more slowly than those with higher uACR, this translated to a larger relative difference in chronic slopes in this group (86% [36-136] reduction in the chronic slope among those with baseline uACR <30 mg/g compared with a 29% [19-38] reduction for those with baseline uACR ≥2000 mg/g; ptrend<0·0001). INTERPRETATION Empagliflozin slowed the rate of progression of chronic kidney disease among all types of participant in the EMPA-KIDNEY trial, including those with little albuminuria. Albuminuria alone should not be used to determine whether to treat with an SGLT2 inhibitor. FUNDING Boehringer Ingelheim and Eli Lilly.
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Impact of primary kidney disease on the effects of empagliflozin in patients with chronic kidney disease: secondary analyses of the EMPA-KIDNEY trial. Lancet Diabetes Endocrinol 2024; 12:51-60. [PMID: 38061372 DOI: 10.1016/s2213-8587(23)00322-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/24/2023] [Accepted: 10/25/2023] [Indexed: 12/23/2023]
Abstract
BACKGROUND The EMPA-KIDNEY trial showed that empagliflozin reduced the risk of the primary composite outcome of kidney disease progression or cardiovascular death in patients with chronic kidney disease mainly through slowing progression. We aimed to assess how effects of empagliflozin might differ by primary kidney disease across its broad population. METHODS EMPA-KIDNEY, a randomised, controlled, phase 3 trial, was conducted at 241 centres in eight countries (Canada, China, Germany, Italy, Japan, Malaysia, the UK, and the USA). Patients were eligible if their estimated glomerular filtration rate (eGFR) was 20 to less than 45 mL/min per 1·73 m2, or 45 to less than 90 mL/min per 1·73 m2 with a urinary albumin-to-creatinine ratio (uACR) of 200 mg/g or higher at screening. They were randomly assigned (1:1) to 10 mg oral empagliflozin once daily or matching placebo. Effects on kidney disease progression (defined as a sustained ≥40% eGFR decline from randomisation, end-stage kidney disease, a sustained eGFR below 10 mL/min per 1·73 m2, or death from kidney failure) were assessed using prespecified Cox models, and eGFR slope analyses used shared parameter models. Subgroup comparisons were performed by including relevant interaction terms in models. EMPA-KIDNEY is registered with ClinicalTrials.gov, NCT03594110. FINDINGS Between May 15, 2019, and April 16, 2021, 6609 participants were randomly assigned and followed up for a median of 2·0 years (IQR 1·5-2·4). Prespecified subgroupings by primary kidney disease included 2057 (31·1%) participants with diabetic kidney disease, 1669 (25·3%) with glomerular disease, 1445 (21·9%) with hypertensive or renovascular disease, and 1438 (21·8%) with other or unknown causes. Kidney disease progression occurred in 384 (11·6%) of 3304 patients in the empagliflozin group and 504 (15·2%) of 3305 patients in the placebo group (hazard ratio 0·71 [95% CI 0·62-0·81]), with no evidence that the relative effect size varied significantly by primary kidney disease (pheterogeneity=0·62). The between-group difference in chronic eGFR slopes (ie, from 2 months to final follow-up) was 1·37 mL/min per 1·73 m2 per year (95% CI 1·16-1·59), representing a 50% (42-58) reduction in the rate of chronic eGFR decline. This relative effect of empagliflozin on chronic eGFR slope was similar in analyses by different primary kidney diseases, including in explorations by type of glomerular disease and diabetes (p values for heterogeneity all >0·1). INTERPRETATION In a broad range of patients with chronic kidney disease at risk of progression, including a wide range of non-diabetic causes of chronic kidney disease, empagliflozin reduced risk of kidney disease progression. Relative effect sizes were broadly similar irrespective of the cause of primary kidney disease, suggesting that SGLT2 inhibitors should be part of a standard of care to minimise risk of kidney failure in chronic kidney disease. FUNDING Boehringer Ingelheim, Eli Lilly, and UK Medical Research Council.
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Mashraqi MM, Alzamami A, Alturki NA, Almasaudi HH, Ahmed I, Alshamrani S, Basharat Z. Chimeric vaccine design against the conserved TonB-dependent receptor-like β-barrel domain from the outer membrane tbpA and hpuB proteins of Kingella kingae ATCC 23330. Front Mol Biosci 2023; 10:1258834. [PMID: 38053576 PMCID: PMC10694214 DOI: 10.3389/fmolb.2023.1258834] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Accepted: 10/12/2023] [Indexed: 12/07/2023] Open
Abstract
Kingella kingae is a Gram-negative bacterium that primarily causes pediatric infections such as septicemia, endocarditis, and osteoarticular infections. Its virulence is attributed to the outer membrane proteins having implications in bacterial adhesion, invasion, nutrition, and host tissue damage. TonB-dependent receptors (TBDRs) play an important role in nutrition and were previously implicated as vaccine targets in other bacteria. Therefore, we targeted the conserved β-barrel TBDR domain of these proteins for designing a vaccine construct that could elicit humoral and cellular immune responses. We used bioinformatic tools to mine TBDR-containing proteins from K. kingae ATCC 23330 and then predict B- and T-cell epitopes from their conserved β-barrel TDR domain. A chimeric vaccine construct was designed using three antigenic epitopes, covering >98% of the world population and capable of inciting humoral and adaptive immune responses. The final construct elicited a robust immune response. Docking and dynamics simulation showed good binding affinity of the vaccine construct to various receptors of the immune system. Additionally, the vaccine was predicted to be safe and non-allergenic, making it a promising candidate for further development. In conclusion, our study demonstrates the potential of immunoinformatics approaches in designing chimeric vaccines against K. kingae infections. The chimeric vaccine we designed can serve as a blueprint for future experimental studies to develop an effective vaccine against this pathogen, which can serve as a potential strategy to prevent K. kingae infections.
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Affiliation(s)
- Mutaib M. Mashraqi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Ahmad Alzamami
- Clinical Laboratory Science Department, College of Applied Medical Science, Shaqra University, AlQuwayiyah, Saudi Arabia
| | - Norah A. Alturki
- Clinical Laboratory Science Department, College of Applied Medical Science, King Saud University, Riyadh, Saudi Arabia
| | - Hassan H. Almasaudi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, Pakistan
- Group for Biometrology, Korea Research Institute of Standards and Science (KRISS), Daejeon, Republic of Korea
| | - Saleh Alshamrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Najran University, Najran, Saudi Arabia
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11
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Sattar S, Bailie M, Yaqoob A, Khanum S, Fatima K, Altaf AURB, Ahmed I, Shah STA, Munawar J, Zehra QA, Daud S, Arshad A, Imdad K, Javed S, Tariq A, Bostan N, Altermann E. Characterization of two novel lytic bacteriophages having lysis potential against MDR avian pathogenic Escherichia coli strains of zoonotic potential. Sci Rep 2023; 13:10043. [PMID: 37340022 DOI: 10.1038/s41598-023-37176-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 06/17/2023] [Indexed: 06/22/2023] Open
Abstract
Avian pathogenic E. coli (APEC) is associated with local and systemic infections in poultry, ducks, turkeys, and many other avian species, leading to heavy economical losses. These APEC strains are presumed to possess zoonotic potential due to common virulence markers that can cause urinary tract infections in humans. The prophylactic use of antibiotics in the poultry sector has led to the rapid emergence of Multiple Drug Resistant (MDR) APEC strains that act as reservoirs and put human populations at risk. This calls for consideration of alternative strategies to decrease the bacterial load. Here, we report isolation, preliminary characterization, and genome analysis of two novel lytic phage species (Escherichia phage SKA49 and Escherichia phage SKA64) against MDR strain of APEC, QZJM25. Both phages were able to keep QZJM25 growth significantly less than the untreated bacterial control for approximately 18 h. The host range was tested against Escherichia coli strains of poultry and human UTI infections. SKA49 had a broader host range in contrast to SKA64. Both phages were stable at 37 °C only. Their genome analysis indicated their safety as no recombination, integration and host virulence genes were identified. Both these phages can be good candidates for control of APEC strains based on their lysis potential.
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Affiliation(s)
- Sadia Sattar
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan.
| | - Marc Bailie
- AgResearch, Palmerston North, 4410, New Zealand
| | - Akasha Yaqoob
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | | | - Kaniz Fatima
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Anees Ur Rehman Bin Altaf
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, 45710, Pakistan
| | - Syed Tahir Abbas Shah
- Functional Genomics Lab, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Javeria Munawar
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Quaratul Ain Zehra
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Sajeela Daud
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Ayesha Arshad
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Kaleem Imdad
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Sundus Javed
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Amira Tariq
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Nazish Bostan
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad, 45550, Pakistan
| | - Eric Altermann
- School of Veterinary Science Massey University Centre for Bioparticle Applications, Massey University, Palmerston North, 4472, New Zealand
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Fernando IN, Lax S, Bowden SJ, Ahmed I, Steven JH, Churn M, Brunt AM, Agrawal RK, Canney P, Stevens A, Rea DW. Detailed Sub-study Analysis of the SECRAB Trial: Quality of Life, Cosmesis and Chemotherapy Dose Intensity. Clin Oncol (R Coll Radiol) 2023; 35:397-407. [PMID: 37012180 PMCID: PMC10186116 DOI: 10.1016/j.clon.2023.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 02/03/2023] [Accepted: 03/10/2023] [Indexed: 04/03/2023]
Abstract
AIMS SECRAB was a prospective, open-label, multicentre, randomised phase III trial comparing synchronous to sequential chemoradiotherapy (CRT). Conducted in 48 UK centres, it recruited 2297 patients (1150 synchronous and 1146 sequential) between 2 July 1998 and 25 March 2004. SECRAB reported a positive therapeutic benefit of using adjuvant synchronous CRT in the management of breast cancer; 10-year local recurrence rates reduced from 7.1% to 4.6% (P = 0.012). The greatest benefit was seen in patients treated with anthracycline-cyclophosphamide, methotrexate, 5-fluorouracil (CMF) rather than CMF. The aim of its sub-studies reported here was to assess whether quality of life (QoL), cosmesis or chemotherapy dose intensity differed between the two CRT regimens. MATERIALS AND METHODS The QoL sub-study used EORTC QLQ-C30, EORTC QLQ-BR23 and the Women's Health Questionnaire. Cosmesis was assessed: (i) by the treating clinician, (ii) by a validated independent consensus scoring method and (iii) from the patients' perspective by analysing four cosmesis-related QoL questions within the QLQ-BR23. Chemotherapy doses were captured from pharmacy records. The sub-studies were not formally powered; rather, the aim was that at least 300 patients (150 in each arm) were recruited and differences in QoL, cosmesis and dose intensity of chemotherapy assessed. The analysis, therefore, is exploratory in nature. RESULTS No differences were observed in the change from baseline in QoL between the two arms assessed up to 2 years post-surgery (Global Health Status: -0.05; 95% confidence interval -2.16, 2.06; P = 0.963). No differences in cosmesis were observed (via independent and patient assessment) up to 5 years post-surgery. The percentage of patients receiving the optimal course-delivered dose intensity (≥85%) was not significantly different between the arms (synchronous 88% versus sequential 90%; P = 0.503). CONCLUSIONS Synchronous CRT is tolerable, deliverable and significantly more effective than sequential, with no serious disadvantages identified when assessing 2-year QoL or 5-year cosmetic differences.
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Affiliation(s)
- I N Fernando
- Cancer Centre, Queen Elizabeth Hospital, Birmingham, UK.
| | - S Lax
- Cancer Research UK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - S J Bowden
- Cancer Research UK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - I Ahmed
- Cancer Research UK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - J H Steven
- Cancer Centre, Queen Elizabeth Hospital, Birmingham, UK
| | - M Churn
- Clinical Oncology, Worcestershire Royal Hospital, Worcester, UK
| | - A M Brunt
- Cancer Centre, Royal Stoke University Hospital, Stoke on Trent, UK; Keele University, Keele, UK
| | - R K Agrawal
- The Shrewsbury and Telford NHS Trust, Shrewsbury, UK
| | - P Canney
- Beatson West of Scotland Cancer Centre, Glasgow, UK
| | - A Stevens
- Cancer Centre, Queen Elizabeth Hospital, Birmingham, UK
| | - D W Rea
- Cancer Centre, Queen Elizabeth Hospital, Birmingham, UK; Cancer Research UK Clinical Trials Unit, University of Birmingham, Birmingham, UK
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Harakuni SU, Somannavar MS, Ghanchi NK, Ahmed I, Zafar A, Kim J, Tikmani SS, Hwang K, Saleem S, Goudar SS, Dhaded S, Guruprasad G, Yasmin H, Yogeshkumar S, Aceituno A, Silver RM, McClure EM, Goldenberg RL. Pathogens identified in the internal tissues and placentas of stillbirths: results from the prospective, observational PURPOSe study. BJOG 2023. [PMID: 37069731 DOI: 10.1111/1471-0528.17479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 11/18/2022] [Accepted: 12/06/2022] [Indexed: 04/19/2023]
Abstract
OBJECTIVE To examine internal organ tissues and placentas of stillbirths for various pathogens. DESIGN Prospective, observational study. SETTINGS Three study hospitals in India and a large maternity hospital in Pakistan. POPULATION Stillborn infants delivered in a study hospital. METHODS A prospective observational study. MAIN OUTCOME MEASURES Organisms identified by pathogen polymerase chain reaction (PCR) in internal organs and placental tissues of stillbirths. RESULTS Of 2437 stillbirth internal tissues, 8.3% (95% CI 7.2-9.4) were positive. Organisms were most commonly detected in brain (12.3%), cerebrospinal fluid (CSF) (9.5%) and whole blood (8.4%). Ureaplasma urealyticum/parvum was the organism most frequently detected in at least one internal organ (6.4% of stillbirths and 2% of all tissues). Escherichia coli/Shigella was the next most common (4.1% one or more internal organ tissue sample and 1.3% of tissue samples), followed by Staphylococcus aureus in at least one internal organ tissue (1.9% and 0.9% of all tissues). None of the other organisms was found in more than 1.4% of the tissue samples in stillbirths or more than 0.6% of the internal tissues examined. In the placenta tissue, membrane or cord blood combined, 42.8% (95% CI 40.2-45.3) had at least one organism identified, with U. urealyticum/parvum representing the most commonly identified (27.8%). CONCLUSIONS In about 8% of stillbirths, there was evidence of a pathogen in an internal organ. Ureaplasma urealyticum/parvum was the most common organism found in the placenta and in the internal tissues, especially in the fetal brain.
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Affiliation(s)
- S U Harakuni
- KLE Academy of Higher Education and Researchs, J N Medical College, Belagavi, India
| | - M S Somannavar
- KLE Academy of Higher Education and Researchs, J N Medical College, Belagavi, India
| | | | - I Ahmed
- Aga Khan University, Karachi, Pakistan
| | - A Zafar
- Aga Khan University, Karachi, Pakistan
| | - J Kim
- RTI International, Durham, North Carolina, USA
| | | | - K Hwang
- RTI International, Durham, North Carolina, USA
| | - S Saleem
- Aga Khan University, Karachi, Pakistan
- RTI International, Durham, North Carolina, USA
| | - S S Goudar
- KLE Academy of Higher Education and Researchs, J N Medical College, Belagavi, India
| | - S Dhaded
- KLE Academy of Higher Education and Researchs, J N Medical College, Belagavi, India
| | - G Guruprasad
- Bapuji Educational Association's J.J.M. Medical College, Davangere, India
| | - H Yasmin
- Jinnah Postgraduate Medical Centre, Karachi, Pakistan
| | - S Yogeshkumar
- KLE Academy of Higher Education and Researchs, J N Medical College, Belagavi, India
| | - A Aceituno
- RTI International, Durham, North Carolina, USA
| | - R M Silver
- University of Utah School of Medicine, Salt Lake City, Utah, USA
| | - E M McClure
- RTI International, Durham, North Carolina, USA
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14
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Khetrapal P, Catto J, Ambler G, Williams N, Al-Hammouri T, Khan M, Thurairaja R, Nair R, Nathan S, Sridhar A, Ahmed I, Charlesworth P, Blick C, Cumberbatch M, Hussain S, Kotwal S, Bains P, Rowe E, Koupparis A, Noon A, Vasdev N, Hanchanale V, Mcgrath J, Kelly J. Comparing objective recovery of activity levels using wearable devices in open vs. intracorporeal robotic cystectomy: An analysis of the secondary outcomes of the iROC randomized trial. Eur Urol 2023. [DOI: 10.1016/s0302-2838(23)00208-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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15
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Ahmed I, Kaifi HM, Tahir H, Javed A. Malnutrition among patients with Type-2 Diabetes Mellitus. Pak J Med Sci 2023; 39:64-69. [PMID: 36694739 PMCID: PMC9843028 DOI: 10.12669/pjms.39.1.5485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2021] [Revised: 12/02/2021] [Accepted: 10/26/2022] [Indexed: 11/25/2022] Open
Abstract
Objectives The present study aims to evaluate the nutritional status of diabetic patients using Subjective Global Assessment (SGA) tool. Methods A prospective cross-sectional study was conducted at Endocrine and Medicine Department of Lady Reading Hospital from September 2019 to March 2020. A total of 359 patients diagnosed with Type-2 Diabetes Mellitus (T2DM) were included in the study. The malnutrition status was assessed using SGA, and clinical parameters including albumin and total leukocyte count (TLC). Results We have observed mild to moderate malnutrition among 48.2% patients, and severe malnutrition in 10.6% patients as per the SGA scoring. Among the factors associated with nutritional status were BMI (p<0.01), and presence of CAD (DM complication) (p=0.015). As per the correlation analysis, BMI had a significant negative correlation with nutritional status (r=-0.351; p<0.01). Conclusion It is concluded from the study results that there is a high prevalence of malnutrition among the enrolled diabetic patients.
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Affiliation(s)
- Ibrar Ahmed
- Ibrar Ahmed, FCPS (Endocrinology), Department of Diabetes and Endocrine, Lady Reading Hospital, Peshawar, Pakistan
| | - Hoor Maab Kaifi
- Hoor Maab Kaifi, MSc (Foods & Nutrition Sciences), Department of Diabetes and Endocrine, Lady Reading Hospital, Peshawar, Pakistan
| | - Hira Tahir
- Hira Tahir, MSc (Foods & Nutrition Sciences), Department of Diabetes and Endocrine, Lady Reading Hospital, Peshawar, Pakistan
| | - Adan Javed
- Adan Javed, Pharm D. Department of Diabetes and Endocrine, Lady Reading Hospital, Peshawar, Pakistan
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16
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Hasan MN, Rahman BI, Rahaman MF, Biswas SK, Ahmed I, Rahman MA. Paroxysmal Nocturnal Hemoglobinuria in Systemic Lupus Erythematosus: A Rare Manifestation. Mymensingh Med J 2023; 32:265-267. [PMID: 36594332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Paroxysmal nocturnal haemoglobinuria (PNH) is a rare disorder of hematopoietic stem cells. The occurrence of PNH in a patient with systemic lupus erythematosus (SLE) is even rarer. One such presentation was seen in a 19 years old woman who presented with fever, multiple joint pain, photosensitivity, oral ulcer, hair loss and was diagnosed as a case of SLE and was admitted in Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh on 7th February 2019. Subsequently she developed progressive anaemia and passing of dark colored urine. Flow cytometry analysis showed PNH clone within red cells. We report this case so that clinicians are aware about this association between PNH and SLE. Informed written consent was obtained from the patient for the publication of this case report, the copy of which is available with the authors.
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Affiliation(s)
- M N Hasan
- Dr Md Nazmul Hasan, Associate Professor, Department of Internal Medicine, Bangabandhu Sheikh Mujib Medical University (BSMMU), Dhaka, Bangladesh; E-mail:
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Aamir AH, Raja UY, Qureshi FM, Asghar A, Mahar SA, Ahmed I, Ghaffar T, Zafar J, Hasan MI, Riaz A, Raza SA, Khosa IA, Khan J, Baqar JB. Safety and efficacy of Empagliflozin in Pakistani Muslim patients with type 2 diabetes (SAFE-PAK); a randomized clinical trial. BMC Endocr Disord 2022; 22:295. [PMID: 36443769 PMCID: PMC9703399 DOI: 10.1186/s12902-022-01213-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Accepted: 11/14/2022] [Indexed: 11/29/2022] Open
Abstract
BACKGROUND Sodium-Glucose-Co-Transporter 2 (SGLT2) inhibitor (Empagliflozin) is an effective drug in controlling blood glucose through predominantly glycosuria. Glycosuria increases the risk of genitourinary infections in diabetes. This study was aimed to establish the safety and efficacy of Empagliflozin (Group-A) versus standard care (Group-B) in Pakistani Muslim individuals with type 2 diabetes. METHODS A multicenter, randomized clinical trial was conducted in five cities across Pakistan from July 2019 to August 2020. Patients of both genders aged 18-75 years, body mass index (BMI) ≤ 45 kg/m2, glycosylated hemoglobin (HbA1c) 7-10% (53 mmol/mol to 86 mmol/mol) and treatment-naive to Empagliflozin were included. Treatment was given for 24 weeks, and allocation was done through randomization. RESULTS Out of 745 screened patients, 333 met the eligibility criteria, and a total of 244 (73.3%) patients were enrolled. More hypoglycemic events were reported in the standard care group, whereas positive urine culture, fungal infection, dehydration, and hypotension occurrence were comparable between the two groups. The 6 months mean HbA1c reduction was significant in both groups; (Group-A: 0.91 ± 0.15; p < 0.001 vs. Group-B2: 0.79 ± 0.14; p < 0.001). Efficacy comparison at 6 months revealed a significant reduction in weight and systolic blood pressure (SBP) in Group A only (Group-A: 1.4 ± 0.4 kg; p < 0.002 vs. Group-B: 0.01 ± 0.5 kg; p < 1.00), (Group-A: 5.1 ± 1.7 mmHg; p < 0.012 vs. Group-B: 2.3 ± 1.7 mmHg; p < 0.526). CONCLUSIONS Empagliflozin was a safe drug compared to standard care in Pakistani Muslim patients with diabetes. It was as effective as standard care in the clinical setting but achieved glycemic control by reducing weight and SBP in type 2 diabetes patients. TRIAL REGISTRATION This study was registered in the NIH US National Library of Medicine clinical trials registry at Clinicaltrials.gov with the registration number: NCT04665284 on 11/12/2020.
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Affiliation(s)
- Azizul Hasan Aamir
- Department of Diabetes, Endocrinology and Metabolic Diseases, Khyber Girls Medical College, Hayatabad Medical Complex, Peshawar, Pakistan.
- Post Graduate Medical Institute, Peshawar, Pakistan.
| | | | | | | | | | | | - Tahir Ghaffar
- Department of Diabetes, Endocrinology and Metabolic Diseases, Khyber Girls Medical College, Hayatabad Medical Complex, Peshawar, Pakistan
| | | | | | | | | | | | - Jahanzeb Khan
- Dow University of Health Sciences, Karachi, Pakistan
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Ahmed I, Raja UY, Wahab MU, Rehman T, Ishtiaq O, Aamir AH, Ghaffar T, Raza A, Kumar S, Sherin A, Masood F, Randhawa FA, Asghar A, Khan S. Efficacy and safety of combination of empagliflozin and metformin with combination of sitagliptin and metformin during Ramadan: an observational study. BMC Endocr Disord 2022; 22:247. [PMID: 36224542 PMCID: PMC9560019 DOI: 10.1186/s12902-022-01168-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Accepted: 09/19/2022] [Indexed: 11/30/2022] Open
Abstract
BACKGROUND Management of diabetes during fasting is a clinical challenge. Sodium glucose co-transporter -2 inhibitors (SGLT2i) are considered safe with a low risk of hypoglycemia. However, studies on SGLT2i are scarce. This study was designed to compare the efficacy, safety, and tolerability of empagliflozin with metformin during Ramadan in comparison with sitagliptin and metformin. METHODS It was a prospective, observational study, conducted at 11 different sites all across Pakistan on an outpatient basis during Ramadan (May 2021-June 2021). including 132 patients, 88 who received metformin and sitagliptin, and 44 patients who received metformin and empagliflozin. RESULTS Patients of the SGLT-2i group experienced similar symptomatic hypoglycemic episodes (15.9%) as the sitagliptin group. There was an improvement in blood sugar levels after the use of SGLT-2i (RBS 181 ± 64 before Ramadan vs 162 ± 53 after Ramadan). HbA1c also improved after the use of SGLT-2i before and after Ramadan (7.2 ± 0.8 vs 6.9 ± 0.9 for Metformin + Empagliflozin and 7.8 ± 1.5 vs 7.6 ± 1.6 for Metformin and sitagliptin). Weight and BMI improved after the use of SGLT-2i (BMI 36.5 ± 4.8 before Ramadan and 33.7 ± 2.4 after Ramadan). There were no reported cases of urinary tract infection in the empagliflozin group. CONCLUSION SGLT-2 inhibitors combined with metformin for patients with diabetes during Ramadan fasting is as effective, safe and well tolerated as DPP4 combined with metformin.
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Affiliation(s)
- Ibrar Ahmed
- Lady Reading Hospital, Soekarno Rd, PTCL Colony, Peshawar, House No 6A, Street 2, Akbar Town Danishabad, Near Academy Hostel, Peshawar, Khyber Pakhtunkhwa Pakistan
| | - Umar Yousaf Raja
- Shifa International, Pitras Bukhari Road, Sector H-8/4, Islamabad, Pakistan
| | - Muhammad Umar Wahab
- Umer Diabetes and Foot Clinic, Malak shafait plaza, Mauza Mahal kot, Hathial, Main Murree Rd, Bhara Kahu, Islamabad, Pakistan
| | - Tejhmal Rehman
- Shifa International, Pitras Bukhari Road, Sector H-8/4, Islamabad, Pakistan
| | - Osama Ishtiaq
- Shifa International, Pitras Bukhari Road, Sector H-8/4, Islamabad, Pakistan
| | - A. H. Aamir
- Hayatabad Medical Complex, Phase-4 Phase 4 Hayatabad, Peshawar, Khyber Pakhtunkhwa Pakistan
| | - Tahir Ghaffar
- Hayatabad Medical Complex, Phase-4 Phase 4 Hayatabad, Peshawar, Khyber Pakhtunkhwa Pakistan
| | - Abbas Raza
- Shaukat Khanum Hospital, 153-E, Shah Noor Park (adjacent Clinix Pharmacy Head Office), Main Multan Road, Lahore, Pakistan
| | - Suresh Kumar
- Bolan Medical, Brewery Rd, Quetta, Balochistan Pakistan
| | - Akhtar Sherin
- KMU Institute of Medical Sciences, KIMS, Phase 2, KDA, Khyber Pakhtoonkhwa, Phase 2 Kohat Development Authority (KDA), Kohat Development Authority, KohatKohat, Khyber Pakhtunkhwa Pakistan
| | - Faisal Masood
- Alkhaliq Hospital, Nishtar Rd، Al Rahim Colony, Multan, Punjab Pakistan
| | | | - Ali Asghar
- Liaquat National Hospital, National Stadium Rd, Liaquat National Hospital, Karachi, Karachi City, Sindh Pakistan
| | - Sehrish Khan
- Liaquat National Hospital, National Stadium Rd, Liaquat National Hospital, Karachi, Karachi City, Sindh Pakistan
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Maravi D, Ahmed I. POS-109 MEDICOPSIS ROMEROI - A RARE CASE OF MYCETOMA IN RENAL TRANSPLANT RECIPIENT. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.07.127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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20
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Alabi A, Haladu N, Scott NW, Imamura M, Ahmed I, Ramsay G, Brazzelli M. Mesh fixation techniques for inguinal hernia repair: an overview of systematic reviews of randomised controlled trials. Hernia 2022; 26:973-987. [PMID: 34905142 PMCID: PMC9334446 DOI: 10.1007/s10029-021-02546-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Accepted: 11/24/2021] [Indexed: 11/12/2022]
Abstract
PURPOSE Inguinal hernia repair using surgical mesh is a very common surgical operation. Currently, there is no consensus on the best technique for mesh fixation. We conducted an overview of existing systematic reviews (SRs) of randomised controlled trials to compare the risk of chronic pain and recurrence following open and laparoscopic inguinal hernia repairs using various mesh fixation techniques. METHODS We searched major electronic databases in April 2020 and assessed the methodological quality of identified reviews using the AMSTAR-2 tool. RESULTS We identified 20 SRs of variable quality assessing suture, self-gripping, glue, and mechanical fixation. Across reviews, the risk of chronic pain after open mesh repair was lower with glue fixation than with suture and comparable between self-gripping and suture. Incidence of chronic pain was lower with glue fixation than with mechanical fixation in laparoscopic repairs. There were no significant differences in recurrence rates between fixation techniques in open and laparoscopic mesh repairs, although fewer recurrences were reported with suture. Many reviews reported wide confidence intervals around summary estimates. Despite no clear evidence of differences among techniques, two network meta-analyses (one assessing open repairs and one laparoscopic repairs) ranked glue fixation as the best treatment for reducing pain and suture for reducing the risk of recurrence. CONCLUSION Glue fixation may be effective in reducing the incidence of chronic pain without increasing the risk of recurrence. Future research should consider both the effectiveness and cost-effectiveness of fixation techniques alongside the type of mesh and the size and location of the hernia defect.
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Affiliation(s)
- A Alabi
- Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK.,Luton and Dunstable University Hospital, Luton, UK
| | - N Haladu
- Institute of Applied Health Sciences, University of Aberdeen, Aberdeen, UK.,Emergency Department, Southend University Teaching Hospital, Westcliff-on-Sea, UK
| | - N W Scott
- Medical Statistics Team, University of Aberdeen, Aberdeen, UK
| | - M Imamura
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK
| | - I Ahmed
- Department of Surgery, NHS Grampian, Aberdeen, UK
| | - G Ramsay
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK.,Department of Surgery, NHS Grampian, Aberdeen, UK
| | - M Brazzelli
- Health Services Research Unit, University of Aberdeen, Aberdeen, UK.
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Mwai J, Mutai J, Kaduka L, Abdi M, Ahmed I, Ndemwa P, Nyole D, Omogi J. Association between sociodemographic characteristics and knowledge and practice of COVID-19 measures among households in Mombasa and Kilifi County, Kenya. Int Health 2022; 15:318-325. [PMID: 35901267 PMCID: PMC9384618 DOI: 10.1093/inthealth/ihac049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 06/14/2022] [Accepted: 06/29/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Coronavirus disease 2019 (COVID-19), declared a global pandemic by the World Health Organization (WHO), is a severe acute respiratory disease. The Kenyan Ministry of Health (MoH) put in place measures that included mandatory face masking, hand and cough hygiene and social and physical distancing to reduce disease transmission and increase prevention efforts. The primary objective of this study was to determine how sociodemographic characteristics affect knowledge and practice of the above measures. METHODS A cross-sectional study was conducted to assess water, sanitation and hygiene practices for the prevention and control of COVID-19 in Kilifi and Mombasa Counties, Kenya. Data collection was accomplished through a mobile data collection tool. Principal component analysis was used to create a wealth index using data on asset ownership and housing characteristics. Bloom cut-off points of 80-100%, 60-79% and ≤59% were used to determine knowledge and practice. RESULTS Of the 612 households, 339 (55.4%) were from Kilifi County and 273 (44.6%) were from Mombasa County. A total of 431 (70.4%) were female and the mean age of the household members was 38.2±14.8 y.Almost all (99.2%) respondents were aware of COVID-19, with 60% knowing prevention, symptoms and persons at a higher risk of contracting the virus. Females had the highest knowledge of COVID-19 and were likely to practice prevention and control measures, unlike males. Age was significant (p<0.05) with knowledge and practice. CONCLUSIONS The sociodemographic characteristics of populations play a key role in behavioural aspects as far as prevention and control of COVID-19 are concerned. There is a need for partnerships between the MoH and county governments to put in place a multisectoral community approach to advance feasible behavioural interventions among targeted populations towards combating the spread of COVID-19.
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Affiliation(s)
- J Mwai
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - J Mutai
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - L Kaduka
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - M Abdi
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - I Ahmed
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - P Ndemwa
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | | | - J Omogi
- Jomo Kenyatta University of Agriculture and Technology
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22
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Kouli O, Murray V, Bhatia S, Cambridge WA, Kawka M, Shafi S, Knight SR, Kamarajah SK, McLean KA, Glasbey JC, Khaw RA, Ahmed W, Akhbari M, Baker D, Borakati A, Mills E, Thavayogan R, Yasin I, Raubenheimer K, Ridley W, Sarrami M, Zhang G, Egoroff N, Pockney P, Richards T, Bhangu A, Creagh-Brown B, Edwards M, Harrison EM, Lee M, Nepogodiev D, Pinkney T, Pearse R, Smart N, Vohra R, Sohrabi C, Jamieson A, Nguyen M, Rahman A, English C, Tincknell L, Kakodkar P, Kwek I, Punjabi N, Burns J, Varghese S, Erotocritou M, McGuckin S, Vayalapra S, Dominguez E, Moneim J, Salehi M, Tan HL, Yoong A, Zhu L, Seale B, Nowinka Z, Patel N, Chrisp B, Harris J, Maleyko I, Muneeb F, Gough M, James CE, Skan O, Chowdhury A, Rebuffa N, Khan H, Down B, Fatimah Hussain Q, Adams M, Bailey A, Cullen G, Fu YXJ, McClement B, Taylor A, Aitken S, Bachelet B, Brousse de Gersigny J, Chang C, Khehra B, Lahoud N, Lee Solano M, Louca M, Rozenbroek P, Rozitis E, Agbinya N, Anderson E, Arwi G, Barry I, Batchelor C, Chong T, Choo LY, Clark L, Daniels M, Goh J, Handa A, Hanna J, Huynh L, Jeon A, Kanbour A, Lee A, Lee J, Lee T, Leigh J, Ly D, McGregor F, Moss J, Nejatian M, O'Loughlin E, Ramos I, Sanchez B, Shrivathsa A, Sincari A, Sobhi S, Swart R, Trimboli J, Wignall P, Bourke E, Chong A, Clayton S, Dawson A, Hardy E, Iqbal R, Le L, Mao S, Marinelli I, Metcalfe H, Panicker D, R HH, Ridgway S, Tan HH, Thong S, Van M, Woon S, Woon-Shoo-Tong XS, Yu S, Ali K, Chee J, Chiu C, Chow YW, Duller A, Nagappan P, Ng S, Selvanathan M, Sheridan C, Temple M, Do JE, Dudi-Venkata NN, Humphries E, Li L, Mansour LT, Massy-Westropp C, Fang B, Farbood K, Hong H, Huang Y, Joan M, Koh C, Liu YHA, Mahajan T, Muller E, Park R, Tanudisastro M, Wu JJG, Chopra P, Giang S, Radcliffe S, Thach P, Wallace D, Wilkes A, Chinta SH, Li J, Phan J, Rahman F, Segaran A, Shannon J, Zhang M, Adams N, Bonte A, Choudhry A, Colterjohn N, Croyle JA, Donohue J, Feighery A, Keane A, McNamara D, Munir K, Roche D, Sabnani R, Seligman D, Sharma S, 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Langhorne B, Lund J, Lutchman I, McGuinness R, Neary M, Pampapathi S, Pang E, Podbicanin S, Rai N, Redhouse White G, Sujith J, Thomas P, Walker I, Winterton R, Anderson P, Barrington M, Bhadra K, Clark G, Fowler G, Gibson C, Hudson S, Kaminskaite V, Lawday S, Longshaw A, MacKrill E, McLachlan F, Murdeshwar A, Nieuwoudt R, Parker P, Randall R, Rawlins E, Reeves SA, Rye D, Sirkis T, Sykes B, Ventress N, Wosinska N, Akram B, Burton L, Coombs A, Long R, Magowan D, Ong C, Sethi M, Williams G, Chan C, Chan LH, Fernando D, Gaba F, Khor Z, Les JW, Mak R, Moin S, Ng Kee Kwong KC, Paterson-Brown S, Tew YY, Bardon A, Burrell K, Coldwell C, Costa I, Dexter E, Hardy A, Khojani M, Mazurek J, Raymond T, Reddy V, Reynolds J, Soma A, Agiotakis S, Alsusa H, Desai N, Peristerakis I, Adcock A, Ayub H, Bennett T, Bibi F, Brenac S, Chapman T, Clarke G, Clark F, Galvin C, Gwyn-Jones A, Henry-Blake C, Kerner S, Kiandee M, Lovett A, Pilecka A, Ravindran R, Siddique H, Sikand T, Treadwell K, Akmal K, Apata A, Barton O, Broad G, Darling H, Dhuga Y, Emms L, Habib S, Jain R, Jeater J, Kan CYP, Kathiravelupillai A, Khatkar H, Kirmani S, Kulasabanathan K, Lacey H, Lal K, Manafa C, Mansoor M, McDonald S, Mittal A, Mustoe S, Nottrodt L, Oliver P, Papapetrou I, Pattinson F, Raja M, Reyhani H, Shahmiri A, Small O, Soni U, Aguirrezabala Armbruster B, Bunni J, Hakim MA, Hawkins-Hooker L, Howell KA, Hullait R, Jaskowska A, Ottewell L, Thomas-Jones I, Vasudev A, Clements B, Fenton J, Gill M, Haider S, Lim AJM, Maguire H, McMullan J, Nicoletti J, Samuel S, Unais MA, White N, Yao PC, Yow L, Boyle C, Brady R, Cheekoty P, Cheong J, Chew SJHL, Chow R, Ganewatta Kankanamge D, Mamer L, Mohammed B, Ng Chieng Hin J, Renji Chungath R, Royston A, Sharrad E, Sinclair R, Tingle S, Treherne K, Wyatt F, Maniarasu VS, Moug S, Appanna T, Bucknall T, Hussain F, Owen A, Parry M, Parry R, Sagua N, Spofforth K, Yuen ECT, Bosley N, Hardie W, Moore T, Regas C, Abdel-Khaleq S, Ali N, Bashiti H, Buxton-Hopley R, Constantinides M, D'Afflitto M, Deshpande A, Duque Golding J, Frisira E, Germani Batacchi M, Gomaa A, Hay D, Hutchison R, Iakovou A, Iakovou D, Ismail E, Jefferson S, Jones L, Khouli Y, Knowles C, Mason J, McCaughan R, Moffatt J, Morawala A, Nadir H, Neyroud F, Nikookam Y, Parmar A, Pinto L, Ramamoorthy R, Richards E, Thomson S, Trainer C, Valetopoulou A, Vassiliou A, Wantman A, Wilde S, Dickinson M, Rockall T, Senn D, Wcislo K, Zalmay P, Adelekan K, Allen K, Bajaj M, Gatumbu P, Hang S, Hashmi Y, Kaur T, Kawesha A, Kisiel A, Woodmass M, Adelowo T, Ahari D, Alhwaishel K, Atherton R, Clayton B, Cockroft A, Curtis Lopez C, Hilton M, Ismail N, Kouadria M, Lee L, MacConnachie A, Monks F, Mungroo S, Nikoletopoulou C, Pearce L, Sara X, Shahid A, Suresh G, Wilcha R, Atiyah A, Davies E, Dermanis A, Gibbons H, Hyde A, Lawson A, Lee C, Leung-Tack M, Li Saw Hee J, Mostafa O, Nair D, Pattani N, Plumbley-Jones J, Pufal K, Ramesh P, Sanghera J, Saram S, Scadding S, See S, Stringer H, Torrance A, Vardon H, Wyn-Griffiths F, Brew A, Kaur G, Soni D, Tickle A, Akbar Z, Appleyard T, Figg K, Jayawardena P, Johnson A, Kamran Siddiqui Z, Lacy-Colson J, Oatham R, Rowlands B, Sludden E, Turnbull C, Allin D, Ansar Z, Azeez Z, Dale VH, Garg J, Horner A, Jones S, Knight S, McGregor C, McKenna J, McLelland T, Packham-Smith A, Rowsell K, Spector-Hill I, Adeniken E, Baker J, Bartlett M, Chikomba L, Connell B, Deekonda P, Dhar M, Elmansouri A, Gamage K, Goodhew R, Hanna P, Knight J, Luca A, Maasoumi N, Mahamoud F, Manji S, Marwaha PK, Mason F, Oluboyede A, Pigott L, Razaq AM, Richardson M, Saddaoui I, Wijeyendram P, Yau S, Atkins W, Liang K, Miles N, Praveen B, Ashai S, Braganza J, Common J, Cundy A, Davies R, Guthrie J, Handa I, Iqbal M, Ismail R, Jones C, Jones I, Lee KS, Levene A, Okocha M, Olivier J, Smith A, Subramaniam E, Tandle S, Wang A, Watson A, Wilson C, Chan XHF, Khoo E, Montgomery C, Norris M, Pugalenthi PP, Common T, Cook E, Mistry H, Shinmar HS, Agarwal G, Bandyopadhyay S, Brazier B, Carroll L, Goede A, Harbourne A, Lakhani A, Lami M, Larwood J, Martin J, Merchant J, Pattenden S, Pradhan A, Raafat N, Rothwell E, Shammoon Y, Sudarshan R, Vickers E, Wingfield L, Ashworth I, Azizi S, Bhate R, Chowdhury T, Christou A, Davies L, Dwaraknath M, Farah Y, Garner J, Gureviciute E, Hart E, Jain A, Javid S, Kankam HK, Kaur Toor P, Kaz R, Kermali M, Khan I, Mattson A, McManus A, Murphy M, Nair K, Ngemoh D, Norton E, Olabiran A, Parry L, Payne T, Pillai K, Price S, Punjabi K, Raghunathan A, Ramwell A, Raza M, Ritehnia J, Simpson G, Smith W, Sodeinde S, Studd L, Subramaniam M, Thomas J, Towey S, Tsang E, Tuteja D, Vasani J, Vio M, Badran A, Adams J, Anthony Wilkinson J, Asvandi S, Austin T, Bald A, Bix E, Carrick M, Chander B, Chowdhury S, Cooper Drake B, Crosbie S, D Portela S, Francis D, Gallagher C, Gillespie R, Gravett H, Gupta P, Ilyas C, James G, Johny J, Jones A, Kinder F, MacLeod C, Macrow C, Maqsood-Shah A, Mather J, McCann L, McMahon R, Mitham E, Mohamed M, Munton E, Nightingale K, O'Neill K, Onyemuchara I, Senior R, Shanahan A, Sherlock J, Spyridoulias A, Stavrou C, Stokes D, Tamang R, Taylor E, Trafford C, Uden C, Waddington C, Yassin D, Zaman M, Bangi S, Cheng T, Chew D, Hussain N, Imani-Masouleh S, Mahasivam G, McKnight G, Ng HL, Ota HC, Pasha T, Ravindran W, Shah K, Vishnu K S, Zaman S, Carr W, Cope S, Eagles EJ, Howarth-Maddison M, Li CY, Reed J, Ridge A, Stubbs T, Teasdaled D, Umar R, Worthington J, Dhebri A, Kalenderov R, Alattas A, Arain Z, Bhudia R, Chia D, Daniel S, Dar T, Garland H, Girish M, Hampson A, Kyriacou H, Lehovsky K, Mullins W, Omorphos N, Vasdev N, Venkatesh A, Waldock W, Bhandari A, Brown G, Choa G, Eichenauer CE, Ezennia K, Kidwai Z, Lloyd-Thomas A, Macaskill Stewart A, Massardi C, Sinclair E, Skajaa N, Smith M, Tan I, Afsheen N, Anuar A, Azam Z, Bhatia P, Davies-kelly N, Dickinson S, Elkawafi M, Ganapathy M, Gupta S, Khoury EG, Licudi D, Mehta V, Neequaye S, Nita G, Tay VL, Zhao S, Botsa E, Cuthbert H, Elliott J, Furlepa M, Lehmann J, Mangtani A, Narayan A, Nazarian S, Parmar C, Shah D, Shaw C, Zhao Z, Beck C, Caldwell S, Clements JM, French B, Kenny R, Kirk S, Lindsay J, McClung A, McLaughlin N, Watson S, Whiteside E, Alyacoubi S, Arumugam V, Beg R, Dawas K, Garg S, Lloyd ER, Mahfouz Y, Manobharath N, Moonesinghe R, Morka N, Patel K, Prashar J, Yip S, Adeeko ES, Ajekigbe F, Bhat A, Evans C, Farrugia A, Gurung C, Long T, Malik B, Manirajan S, Newport D, Rayer J, Ridha A, Ross E, Saran T, Sinker A, Waruingi D, Allen R, Al Sadek Y, Alves do Canto Brum H, Asharaf H, Ashman M, Balakumar V, Barrington J, Baskaran R, Berry A, Bhachoo H, Bilal A, Boaden L, Chia WL, Covell G, Crook D, Dadnam F, Davis L, De Berker H, Doyle C, Fox C, Gruffydd-Davies M, Hafouda Y, Hill A, Hubbard E, Hunter A, Inpadhas V, Jamshaid M, Jandu G, Jeyanthi M, Jones T, Kantor C, Kwak SY, Malik N, Matt R, McNulty P, Miles C, Mohomed A, Myat P, Niharika J, Nixon A, O'Reilly D, Parmar K, Pengelly S, Price L, Ramsden M, Turnor R, Wales E, Waring H, Wu M, Yang T, Ye TTS, Zander A, Zeicu C, Bellam S, Francombe J, Kawamoto N, Rahman MR, Sathyanarayana A, Tang HT, Cheung J, Hollingshead J, Page V, Sugarman J, Wong E, Chiong J, Fung E, Kan SY, Kiang J, Kok J, Krahelski O, Liew MY, Lyell B, Sharif Z, Speake D, Alim L, Amakye NY, Chandrasekaran J, Chandratreya N, Drake J, Owoso T, Thu YM, Abou El Ela Bourquin B, Alberts J, Chapman D, Rehnnuma N, Ainsworth K, Carpenter H, Emmanuel T, Fisher T, Gabrel M, Guan Z, Hollows S, Hotouras A, Ip Fung Chun N, Jaffer S, Kallikas G, Kennedy N, Lewinsohn B, Liu FY, Mohammed S, Rutherfurd A, Situ T, Stammer A, Taylor F, Thin N, Urgesi E, Zhang N, Ahmad MA, Bishop A, Bowes A, Dixit A, Glasson R, Hatta S, Hatt K, Larcombe S, Preece J, Riordan E, Fegredo D, Haq MZ, Li C, McCann G, Stewart D, Baraza W, Bhullar D, Burt G, Coyle J, Deans J, Devine A, Hird R, Ikotun O, Manchip G, Ross C, Storey L, Tan WWL, Tse C, Warner C, Whitehead M, Wu F, Court EL, Crisp E, Huttman M, Mayes F, Robertson H, Rosen H, Sandberg C, Smith H, Al Bakry M, Ashwell W, Bajaj S, Bandyopadhyay D, Browlee O, Burway S, Chand CP, Elsayeh K, Elsharkawi A, Evans E, Ferrin S, Fort-Schaale A, Iacob M, I K, Impelliziere Licastro G, Mankoo AS, Olaniyan T, Otun J, Pereira R, Reddy R, Saeed D, Simmonds O, Singhal G, Tron K, Wickstone C, Williams R, Bradshaw E, De Kock Jewell V, Houlden C, Knight C, Metezai H, Mirza-Davies A, Seymour Z, Spink D, Wischhusen S. Evaluation of prognostic risk models for postoperative pulmonary complications in adult patients undergoing major abdominal surgery: a systematic review and international external validation cohort study. Lancet Digit Health 2022; 4:e520-e531. [PMID: 35750401 DOI: 10.1016/s2589-7500(22)00069-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2021] [Revised: 01/07/2022] [Accepted: 04/06/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Stratifying risk of postoperative pulmonary complications after major abdominal surgery allows clinicians to modify risk through targeted interventions and enhanced monitoring. In this study, we aimed to identify and validate prognostic models against a new consensus definition of postoperative pulmonary complications. METHODS We did a systematic review and international external validation cohort study. The systematic review was done in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. We searched MEDLINE and Embase on March 1, 2020, for articles published in English that reported on risk prediction models for postoperative pulmonary complications following abdominal surgery. External validation of existing models was done within a prospective international cohort study of adult patients (≥18 years) undergoing major abdominal surgery. Data were collected between Jan 1, 2019, and April 30, 2019, in the UK, Ireland, and Australia. Discriminative ability and prognostic accuracy summary statistics were compared between models for the 30-day postoperative pulmonary complication rate as defined by the Standardised Endpoints in Perioperative Medicine Core Outcome Measures in Perioperative and Anaesthetic Care (StEP-COMPAC). Model performance was compared using the area under the receiver operating characteristic curve (AUROCC). FINDINGS In total, we identified 2903 records from our literature search; of which, 2514 (86·6%) unique records were screened, 121 (4·8%) of 2514 full texts were assessed for eligibility, and 29 unique prognostic models were identified. Nine (31·0%) of 29 models had score development reported only, 19 (65·5%) had undergone internal validation, and only four (13·8%) had been externally validated. Data to validate six eligible models were collected in the international external validation cohort study. Data from 11 591 patients were available, with an overall postoperative pulmonary complication rate of 7·8% (n=903). None of the six models showed good discrimination (defined as AUROCC ≥0·70) for identifying postoperative pulmonary complications, with the Assess Respiratory Risk in Surgical Patients in Catalonia score showing the best discrimination (AUROCC 0·700 [95% CI 0·683-0·717]). INTERPRETATION In the pre-COVID-19 pandemic data, variability in the risk of pulmonary complications (StEP-COMPAC definition) following major abdominal surgery was poorly described by existing prognostication tools. To improve surgical safety during the COVID-19 pandemic recovery and beyond, novel risk stratification tools are required. FUNDING British Journal of Surgery Society.
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Fito J, Ahmed I, Nkambule TTI, Kefeni KK. Evaluation of water footprint in sugar industries and bioethanol distilleries in two different water basins toward water sustainability. Int J Environ Sci Technol (Tehran) 2022; 20:2427-2440. [PMID: 35529587 PMCID: PMC9069427 DOI: 10.1007/s13762-022-04182-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 06/14/2023]
Abstract
Sugarcane farming and bioethanol production are water-intensive activities that result in high water competition. The competition, in turn, can exacerbate water scarcity. Therefore, this study aims to evaluate the water footprint (WF) of the sugar and bioethanol production at the Finchaa and Metehara sugarcane farms, which are located in different river basins in Ethiopia. The climatic data (minimal and maximum temperature, relative humidity, wind speed, and sunshine duration), meteorological data (rainfall), CROPWAT 8.0 model, nitrogen fertilizer application rates, sugarcane yield, and sugar and bioethanol production over 12 years (2008-2019) were used. Penman-Monteith method-based sugarcane water requirements of Finchaa and Metehara were found to be 2021.1 and 3605.4 mm/growing period, respectively. The sugarcane WF of Finchaa was 188.01 m3/t, which was composed of green (67.45 m3/t), blue (113.42 m3/t), and grey (7.14 m3/t) components, whereas the WF of Metehara was 239.11 m3/t consisting of green (29.42 m3/t), blue (204.13 m3/t), and grey (5.56 m3/t). The low sugarcane WF recorded was attributed to the high yield of sugarcane that was harvested in the study areas. Hence, the irrigation (blue WF) requirement is the major concern of water management in the basins. Similarly, the WF of bioethanol at the Finchaa distillery (2067.62 L/L) was much higher than that of the Metehara distillery (1441.54 L/L). However, both WFs were within the global range. Significant differences were observed between the two water basins. The sugarcane estate farm and bioethanol production processes require water management intervention to reduce the impact of WF in the basins.
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Affiliation(s)
- J. Fito
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Science Campus, Florida, University of South Africa, Johannesburg, South Africa
| | - I. Ahmed
- Department of Environmental Engineering, Addis Ababa Science, and Technology University, P.O. Box 16417, Addis Ababa, Ethiopia
| | - T. T. I. Nkambule
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Science Campus, Florida, University of South Africa, Johannesburg, South Africa
| | - K. K. Kefeni
- Institute for Nanotechnology and Water Sustainability (iNanoWS), Science Campus, Florida, University of South Africa, Johannesburg, South Africa
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Ahmed I, Krishnamurthy S, Bhise R, Sagar R, Balaji B, Devi A, Banu V. PO-1091 GTV as prognostic marker in head and neck cancer - Time to redefine GTV beyond contouring. Radiother Oncol 2022. [DOI: 10.1016/s0167-8140(22)03055-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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ISLAM J, Yasmin S, Ahmed I, Hoque W, Giti S. POS-330 DIABETIC NEPHROPATHY, CLINICAL AND HISTOLOGIC SPECTRUM, A STUDY IN DHAKA. Kidney Int Rep 2022. [DOI: 10.1016/j.ekir.2022.01.351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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Sattar S, Ullah I, Khanum S, Bailie M, Shamsi B, Ahmed I, Abbas Shah T, Javed S, Ghafoor A, Pervaiz A, Sohail F, Imdad K, Tariq A, Bostan N, Ali I, Altermann E. Genome Analysis and Therapeutic Evaluation of a Novel Lytic Bacteriophage of Salmonella Typhimurium: Suggestive of a New Genus in the Subfamily Vequintavirinae. Viruses 2022; 14:241. [PMID: 35215834 PMCID: PMC8879037 DOI: 10.3390/v14020241] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2021] [Revised: 01/09/2022] [Accepted: 01/21/2022] [Indexed: 02/04/2023] Open
Abstract
Salmonella Typhimurium, a foodborne pathogen, is a major concern for food safety. Its MDR serovars of animal origin pose a serious threat to the human population. Phage therapy can be an alternative for the treatment of such MDR Salmonella serovars. In this study, we report on detailed genome analyses of a novel Salmonella phage (Salmonella-Phage-SSBI34) and evaluate its therapeutic potential. The phage was evaluated for latent time, burst size, host range, and bacterial growth reduction in liquid cultures. The phage stability was examined at various pH levels and temperatures. The genome analysis (141.095 Kb) indicated that its nucleotide sequence is novel, as it exhibited only 1-7% DNA coverage. The phage genome features 44% GC content, and 234 putative open reading frames were predicted. The genome was predicted to encode for 28 structural proteins and 40 enzymes related to nucleotide metabolism, DNA modification, and protein synthesis. Further, the genome features 11 tRNA genes for 10 different amino acids, indicating alternate codon usage, and hosts a unique hydrolase for bacterial lysis. This study provides new insights into the subfamily Vequintavirinae, of which SSBI34 may represent a new genus.
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Affiliation(s)
- Sadia Sattar
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Inam Ullah
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Sofia Khanum
- AgResearch, Palmerston North 4410, New Zealand; (S.K.); (M.B.); (E.A.)
| | - Marc Bailie
- AgResearch, Palmerston North 4410, New Zealand; (S.K.); (M.B.); (E.A.)
| | - Bushra Shamsi
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad 45710, Pakistan;
| | - Tahir Abbas Shah
- Functional Genomics Lab, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan;
| | - Sundus Javed
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (S.J.); (K.I.); (A.T.)
| | - Aamir Ghafoor
- University Diagnostic Lab, The University of Veterinary and Animal Sciences (UVAS), Lahore 54000, Pakistan;
| | - Amna Pervaiz
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Fakiha Sohail
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Kaleem Imdad
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (S.J.); (K.I.); (A.T.)
| | - Aamira Tariq
- Microbiology and Immunology Lab, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (S.J.); (K.I.); (A.T.)
| | - Nazish Bostan
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Ijaz Ali
- Molecular Virology Labs, Department of Biosciences, Comsats University Islamabad, Islamabad 45550, Pakistan; (I.U.); (B.S.); (A.P.); (F.S.); (N.B.); (I.A.)
| | - Eric Altermann
- AgResearch, Palmerston North 4410, New Zealand; (S.K.); (M.B.); (E.A.)
- Riddet Institute, Massey University, Palmerston North 4442, New Zealand
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Ahmad S, Kamran Z, Ahsan-ul-Haq, Yousaf M, Ali S, Atta-ur-Rehman, Ahmed I, Ahmad H, Koutoulis K. Effect of feeding linseed oil and vitamin a on production performance, egg characteristics and egg yolk fatty acids in laying hens under sub-tropical conditions. ANIM NUTR FEED TECHN 2022. [DOI: 10.5958/0974-181x.2022.00025.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Mir N, Ahmed I, Ashraf M, Andrabi SN. Occurrence of vesicoureteral reflux among the antenatally detected urinary tract dilation/antenatal hydronephrosis. J Clin Neonatol 2022. [DOI: 10.4103/jcn.jcn_14_22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Aman F, Rauf A, Ali R, Hussain J, Ahmed I. Balancing Complex Signals for Robust Predictive Modeling. Sensors (Basel) 2021; 21:s21248465. [PMID: 34960557 PMCID: PMC8706336 DOI: 10.3390/s21248465] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/12/2021] [Accepted: 12/14/2021] [Indexed: 01/10/2023]
Abstract
Robust predictive modeling is the process of creating, validating, and testing models to obtain better prediction outcomes. Datasets usually contain outliers whose trend deviates from the most data points. Conventionally, outliers are removed from the training dataset during preprocessing before building predictive models. Such models, however, may have poor predictive performance on the unseen testing data involving outliers. In modern machine learning, outliers are regarded as complex signals because of their significant role and are not suggested for removal from the training dataset. Models trained in modern regimes are interpolated (over trained) by increasing their complexity to treat outliers locally. However, such models become inefficient as they require more training due to the inclusion of outliers, and this also compromises the models’ accuracy. This work proposes a novel complex signal balancing technique that may be used during preprocessing to incorporate the maximum number of complex signals (outliers) in the training dataset. The proposed approach determines the optimal value for maximum possible inclusion of complex signals for training with the highest performance of the model in terms of accuracy, time, and complexity. The experimental results show that models trained after preprocessing with the proposed technique achieve higher predictive accuracy with improved execution time and low complexity as compared to traditional predictive modeling.
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Affiliation(s)
- Fazal Aman
- Department of Computer Science, University of Peshawar, Peshawar 25120, Pakistan; (F.A.); (I.A.)
| | - Azhar Rauf
- Department of Computer Science, University of Peshawar, Peshawar 25120, Pakistan; (F.A.); (I.A.)
- Correspondence: (A.R.); (J.H.)
| | - Rahman Ali
- Quaid-e-Azam College of Commerce, University of Peshawar, Peshawar 25120, Pakistan;
| | - Jamil Hussain
- Department of Data Science, Sejong University, Seoul 05006, Korea
- Correspondence: (A.R.); (J.H.)
| | - Ibrar Ahmed
- Department of Computer Science, University of Peshawar, Peshawar 25120, Pakistan; (F.A.); (I.A.)
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Ahmed I, McGivern S, Beymer MR, Okunev I, Tranby EP, Frantsve-Hawley J, Tseng CH, Ramos-Gomez F. Age of First Oral Health Examination and Dental Treatment Needs of Medicaid-Enrolled Children. JDR Clin Trans Res 2021; 8:23800844211057793. [PMID: 34923877 DOI: 10.1177/23800844211057793] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
INTRODUCTION Early childhood caries (ECC), despite being preventable, remains the most prevalent disease of childhood, particularly in children between the ages of 2 and 5 y. The association between the type of health care provider completing initial oral health examinations and subsequent dental caries in children under 6 y of age is unclear. OBJECTIVE The objective of the current study is to longitudinally assess the association between age at first oral health examination and provider type at first oral health examination on dental treatment for children under 6 y of age. METHODS Deidentified administrative claims data were used from the IBM Marketscan Multi-State Medicaid Database (n = 2.41 million Medicaid-enrolled children younger than 6 y in 13 states from 2012 to 2017). A Kaplan-Meier survival analysis was used to examine the association between age at first oral health examination and provider type with first treatment of dental caries at follow-up. RESULTS The adjusted hazard ratio (HR) of dental caries for children whose first oral health examination at 4 y of age is 5.425 times higher than for children whose first oral health examination was before 1 y of age (95% confidence interval [CI], 5.371-5.479). The adjusted HR of dental caries for children seen by pediatric dentists (HR = 1.215; 95% CI, 1.207-1.223) and physicians (HR = 2.618; 95% CI, 2.601-2.635) was higher than those seen by a general dentist. CONCLUSIONS Findings from this study highlight the importance of children having their first oral health examination no later than 12 mo of age in accordance with existing guidelines and referrals from physicians to prevent the need for invasive treatment. KNOWLEDGE OF TRANSFER STATEMENT Results of this study emphasize the need for a child's first oral health examination to be completed no later than 12 mo of age to prevent dental caries. Reinforcement and referrals by physicians based on this recommendation facilitate early establishment of a dental home in young children.
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Affiliation(s)
- I Ahmed
- University of California, Los Angeles School of Dentistry, Los Angeles, CA, USA
| | - S McGivern
- University of California, Los Angeles School of Dentistry, Los Angeles, CA, USA
| | - M R Beymer
- University of California, Los Angeles Fielding School of Public Health, Los Angeles, CA, USA
| | - I Okunev
- CareQuest Institute for Oral Health, Boston, MA, USA
| | - E P Tranby
- CareQuest Institute for Oral Health, Boston, MA, USA
| | | | - C H Tseng
- University of California, Los Angeles School of Dentistry, Los Angeles, CA, USA
| | - F Ramos-Gomez
- University of California, Los Angeles School of Dentistry, Los Angeles, CA, USA
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Jamal A, Wen J, Ma ZY, Ahmed I, Abdullah, Chen LQ, Nie ZL, Liu XQ. Comparative Chloroplast Genome Analyses of the Winter-Blooming Eastern Asian Endemic Genus Chimonanthus (Calycanthaceae) With Implications For Its Phylogeny and Diversification. Front Genet 2021; 12:709996. [PMID: 34917123 PMCID: PMC8670589 DOI: 10.3389/fgene.2021.709996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Accepted: 10/18/2021] [Indexed: 11/13/2022] Open
Abstract
Chimonanthus of Calycanthaceae is a small endemic genus in China, with unusual winter-blooming sweet flowers widely cultivated for ornamentals and medicinal uses. The evolution of Chimonanthus plastomes and its phylogenetic relationships remain unresolved due to limited availability of genetic resources. Here, we report fully assembled and annotated chloroplast genomes of five Chimonanthus species. The chloroplast genomes of the genus (size range 153,010 – 153,299 bp) reveal high similarities in gene content, gene order, GC content, codon usage, amino acid frequency, simple sequence repeats, oligonucleotide repeats, synonymous and non-synonymous substitutions, and transition and transversion substitutions. Signatures of positive selection are detected in atpF and rpoB genes in C. campanulatus. The correlations among substitutions, InDels, and oligonucleotide repeats reveal weak to strong correlations in distantly related species at the intergeneric levels, and very weak to weak correlations among closely related Chimonanthus species. Chloroplast genomes are used to reconstruct a well-resolved phylogenetic tree, which supports the monophyly of Chimonanthus. Within Chimonanthus, C. praecox and C. campanulatus form one clade, while C. grammatus, C. salicifolius, C. zhejiangensis, and C. nitens constitute another clade. Chimonanthus nitens appears paraphyletic and is closely related to C. salicifolius and C. zhejiangensis, suggesting the need to reevaluate the species delimitation of C. nitens. Chimonanthus and Calycanthus diverged in mid-Oligocene; the radiation of extant Chimonanthus species was dated to the mid-Miocene, while C. grammatus diverged from other Chimonanthus species in the late Miocene. C. salicifolius, C. nitens(a), and C. zhejiangensis are inferred to have diverged in the Pleistocene of the Quaternary period, suggesting recent speciation of a relict lineage in the subtropical forest regions in eastern China. This study provides important insights into the chloroplast genome features and evolutionary history of Chimonanthus and family Calycanthaceae.
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Affiliation(s)
- Abbas Jamal
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
| | - Jun Wen
- Department of Botany, National Museum of Natural History, MRC166, Smithsonian Institution, Washington, DC, United States
| | - Zhi-Yao Ma
- Department of Botany, National Museum of Natural History, MRC166, Smithsonian Institution, Washington, DC, United States
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, Pakistan
| | - Abdullah
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Long-Qing Chen
- Southwest Engineering Technology and Research Center of Landscape Architecture, State Forestry Administration, Southwest Forestry University, Kunming, China
| | - Ze-Long Nie
- Key Laboratory of Plant Resources Conservation and Utilization, College of Biology and Environmental Sciences, Jishou University, Jishou, China
| | - Xiu-Qun Liu
- Key Laboratory of Horticultural Plant Biology (Ministry of Education), College of Horticulture and Forestry Science, Huazhong Agricultural University, Wuhan, China
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Mwai J, Nyole D, Abdi M, Ahmed I, Mutai J, Kaduka L, Ndemwa P, Omogi J. Assessment of water, sanitation and hygiene practices for prevention and control of COVID-19 in Kenya. Int Health 2021; 14:597-603. [PMID: 34865029 PMCID: PMC9623497 DOI: 10.1093/inthealth/ihab077] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 09/08/2021] [Accepted: 11/08/2021] [Indexed: 11/15/2022] Open
Abstract
Background Safely managed water, sanitation and hygiene (WASH) services are an essential part of preventing and protecting human health during infectious disease outbreaks, including the current coronavirus disease 2019 (COVID-19) pandemic. Additionally, adherence to COVID-19 measures, including washing hands using soap and proper waste disposal, no doubt can improve containment of the virus. Methods A cross-sectional survey was conducted in Kilifi and Mombasa Counties in Kenya. A total of 612 quantitative data were collected using a mobile data collection tool Open Data Kit. Parametric and non-parametric tests were used to examine factors associated with WASH practices and control of COVID-19 in Kenya. Results More than half of the respondents were from Kilifi, 431 (70.4%) were female and the mean age was 38.2±14.8 y. Households in Kilifi were most likely not to have enough water, while Mombasa households were more likely to pay for water. Sanitation coverage was 47.6%, with more than half sharing sanitation facilities. Sharing of latrines was significantly associated with county and income level. Accessing soap was worse compared with the month prior to the survey, only 3.9% had their garbage collected by formal service providers and only 17% reported wearing any protective gear while handling waste at home. Conclusions Water is disproportionately available in the two counties, with low sanitation coverage. There is low knowledge on hand washing and inadequate waste disposal services.
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Affiliation(s)
- J Mwai
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | | | - M Abdi
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - I Ahmed
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - J Mutai
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - L Kaduka
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - P Ndemwa
- Centre for Public Health Research, Kenya Medical Research Institute, Kenya
| | - J Omogi
- Jomo Kenyatta University of Agriculture and Technology
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Ahmed I, Maghsoudlou P, Hasan H, Abumattar A, Shah N. Safety and efficacy of nurse led intravitreal injection service with Precivia® injection assist device. Eur J Ophthalmol 2021; 32:2771-2776. [PMID: 34791908 DOI: 10.1177/11206721211060947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
INTRODUCTION Intravitreal anti-VEGF injections are the most frequently performed outpatient procedure in the UK. Ophthalmic allied healthcare professionals are replacing medical professionals in delivering injections nationwide. The use of injection assist devices such as Precivia® has been well established and increasingly adopted to aid in their safe delivery. We present outcomes of nurse-led intravitreal injections using the Precivia® injection assist device over a five-year period in the UK. METHODS A retrospective review was completed of all anti-VEGF intravitreal injections delivered at the Great Western Hospital between May 2015 and May 2020. RESULTS Over the five-year study period, 2318 patients underwent a total of 26,923 intravitreal injections; 20,421 (75.8%) of which were delivered by appropriately trained ophthalmic nurses. The annual number of injections increased year-on-year from 2112 injections in 2015-2016 to 5410 injections in 2019-2020. The mean age of patients was 75.7±12.2 years with a female-to-male ratio was 1.17:1. Wet age-related macular degeneration represented the major indication for injections followed by retinal vein occlusion and diabetic maculopathy respectively. Three cases of post-injection endophthalmitis out of 20,421 (0.015%) injections in nurse injection group were identified during the study period. There were no cases of lens touch, retinal detachment or systemic thromboembolic events. CONCLUSION Use of the Precivia® intravitreal injection assist device by trained ophthalmic allied health professionals is a safe and cost-effective way to deliver intravitreal injections service.
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Affiliation(s)
- Ibrar Ahmed
- Department of Ophthalmology, 7766Great Western Hospital NHS Foundation Trust, Swindon, UK
| | - Panayiotis Maghsoudlou
- Department of Ophthalmology, 7766Great Western Hospital NHS Foundation Trust, Swindon, UK.,4919University College London, London, UK
| | - Hani Hasan
- 484966North West Anglia NHS Foundation Trust, Peterborough, UK
| | - Allaaeldin Abumattar
- Department of Ophthalmology, 7766Great Western Hospital NHS Foundation Trust, Swindon, UK
| | - Nimish Shah
- Department of Ophthalmology, 7766Great Western Hospital NHS Foundation Trust, Swindon, UK
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Abdullah, Mehmood F, Heidari P, Rahim A, Ahmed I, Poczai P. Pseudogenization of the chloroplast threonine (trnT-GGU) gene in the sunflower family (Asteraceae). Sci Rep 2021; 11:21122. [PMID: 34702873 PMCID: PMC8548347 DOI: 10.1038/s41598-021-00510-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 10/05/2021] [Indexed: 01/22/2023] Open
Abstract
The chloroplast genome evolves through the course of evolution. Various types of mutational events are found within the chloroplast genome, including insertions-deletions (InDels), substitutions, inversions, gene rearrangement, and pseudogenization of genes. The pseudogenization of the chloroplast threonine (trnT-GGU) gene was previously reported in Cryptomeria japonica (Cupressaceae), Pelargonium × hortorum (Geraniaceae), and Anaphalis sinica and Leontopodium leiolepis of the tribe Gnaphalieae (Asteroideae, Asteraceae). Here, we performed a broad analysis of the trnT-GGU gene among the species of 13 subfamilies of Asteraceae and found this gene as a pseudogene in core Asteraceae (Gymnarrhenoideae, Cichorioideae, Corymbioideae, and Asteroideae), which was linked to an insertion event within the 5' acceptor stem and is not associated with ecological factors such as habit, habitat, and geographical distribution of the species. The pseudogenization of trnT-GGU was not predicted in codon usage, indicating that the superwobbling phenomenon occurs in core Asteraceae in which a single transfer RNA (trnT-UGU) decodes all four codons of threonine. To the best of our knowledge, this is the first evidence of a complete clade of a plant species using the superwobbling phenomenon for translation.
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Affiliation(s)
- Abdullah
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
| | - Furrukh Mehmood
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Parviz Heidari
- Faculty of Agriculture, Shahrood University of Technology, 3619995161, Shahrood, Iran
| | - Abdur Rahim
- Government Degree College Nowshera, Abdul Wali Khan University, Mardan, KPK, Pakistan
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, 45710, Pakistan
| | - Peter Poczai
- Finnish Museum of Natural History, University of Helsinki, P.O. Box 7, 00014, Helsinki, Finland.
- Faculty of Biological and Environmental Sciences, University of Helsinki, P.O. Box 65, 00065, Helsinki, Finland.
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Raja MS, Dhuga Y, Modi S, Nagasubramony A, Sood S, Ahmed I. 1131 The Integration of Cardiothoracic Practical Skills Workshop in The Undergraduate Medical School Curriculum and Its Impact on Promoting Interest in Cardiothoracic Surgery. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Recently, a downward trend is seen in undergraduates wishing to pursue a career in cardiothoracic surgery(CTS). This is partly due to lack of clinical exposure and limited teaching during the undergraduate years; the focus being on cardiac ad vascular pathology.
Aim
Assess if WETLAB workshop encourages the engagement of medical students in CTS surgery
Method
We hosted a cardiac WETLAB workshop, led by a consultant cardiothoracic surgeon. Attendees were taught how to carry out an end-to-side anastomosis on animal tissue. We used pre-and -post exposure questionnaires composed of 10 items to assess the ability of the workshop to improve undergraduate interest in cardiothoracic surgery. The questionnaire included questions around students’ interest in the speciality, previous exposure to the speciality and whether students want to pursue a career in the speciality.
Results
Out of the 12 attendees, 10 completed both questionnaires. The workshop was well received with the overall satisfaction of 9.64 out of 10. It significantly increased respondents’ interest in CTS(z=-0.06, p = 0.01) but did not show any significant difference in encouraging them to pursue surgery. 100% of respondents agreed that specialised practical workshops should be incorporated within the medical school curriculum and that if the opportunity arises, they will attend another in the future.
Conclusions
Specialised practical workshops have the potential to play a significant role in the medical school curriculum in order to enhance exposure to the field of cardiothoracic surgery. This may lead to a positive impact on the number of doctors wishing to pursue this speciality in the future.
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Affiliation(s)
- M S Raja
- Brighton and Sussex Medical School, Brighton, United Kingdom
| | - Y Dhuga
- Brighton and Sussex Medical School, Brighton, United Kingdom
| | - S Modi
- Brighton and Sussex Medical School, Brighton, United Kingdom
| | - A Nagasubramony
- Brighton and Sussex Medical School, Brighton, United Kingdom
| | - S Sood
- Brighton and Sussex Medical School, Brighton, United Kingdom
| | - I Ahmed
- Brighton and Sussex University Hospitals, Brighton, United Kingdom
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Chowdhury S, Bhandari M, Quake S, Ahmed I, Ibrahim B. 783 Digital Weekend Handover an Effective Documentation. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Aim
To assess quality of completion for weekend handover for surgical weekend and to plan and design a Digital handover, the implementation and effect of which is studied.
Method
Data collection from TRAKCARE for documentation completion criteriae including diagnosis, further investigations to chase (e.g., bloods, imaging), discharge plans, escalation and DNAR status identified.
First cycle collected in August 2020 for pre-implementation status and standard. Second cycle was collected after implementation and raising awareness about new system in October 2020.
Exclusion criteria: patients discharged prior to weekend
Results
32 (10f 22m) and 22 (9 f 13m) patients were studied in first and second cycle with a respective median length stay of 243 hours and 161.5 hours. Handover entries had improved from 40.6% completion rate to 77.3% these included a diagnosis and management plan. Required blood investigation plans were recorded in 54.5% patients (previously 9.4%). Escalation plans including DNACPR and ceiling of care were improved from 25% to 31%.
Conclusions
Digital Medical recording left a gap in documentation for weekend ward rounds when personnels are thinned and busy. To optimize clinical care, the use of a E weekend handover has improved documentation greatly. Future Ongoing project includes improving escalation plans further.
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Affiliation(s)
- S Chowdhury
- North Tees Hospital, Stockton, United Kingdom
| | - M Bhandari
- North Tees Hospital, Stockton, United Kingdom
| | - S Quake
- James Cook University, Middlesborough, United Kingdom
| | - I Ahmed
- North Tees Hospital, Stockton, United Kingdom
| | - B Ibrahim
- North Tees Hospital, Stockton, United Kingdom
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Holland L, Ahmed I. 64 Seizing an Opportunity: Setting Up A Virtual Wetlab During the COVID19 Pandemic. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
Abstract
Aim
The COVID19 pandemic has negatively impacted surgical training across the globe. In the UK, educational events and training days were cancelled for trainees at all levels. However, these unusual times provide opportunity to develop novel teaching methods. Our aim was to design a “virtual cardiac surgery wetlab” that allows real-time skills training.
Method
With support from industry partners Edwards Lifesciences, Wetlab and Connexon365 (Webinar Hosting Platform) all the necessary materials were distributed. A package was sent to trainer and trainees that included microinstruments, sutures, synthetic vessels and valve models, high-definition camera, along with printed instructions and video to outline set-up of the rig. Trainees only need to provide is a computer. A consultant surgeon demonstrated how to perform a coronary anastomosis and aortic valve replacement and was then able to supervise trainees and provide real-time feedback using the online platform.
Results
Feedback from trainer and trainees has shown that the system is an easy-to-set-up, effective training tool for teaching cardiac surgery skills including coronary anastomosis and valve surgery. The online platform enabled good vision and engagement between trainer and trainee and also enabled recording of the session. Distributing all of the materials nationwide means the virtual wetlab can take place anywhere, including in the comfort of home, for both trainee and trainer.
Conclusions
Surgical skills training can still take place effectively in the absence of “real life” wetlabs. Given the current COVID19 pandemic continues to interrupt traditional surgical teaching, this method has potential to be adopted nationwide to minimise the disruption.
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Affiliation(s)
- L Holland
- Royal Sussex County Hospital, Brighton, United Kingdom
| | - I Ahmed
- Royal Sussex County Hospital, Brighton, United Kingdom
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Ali Z, Shahzadi I, Majeed A, Malik HMT, Waseem S, Ahmed I, Anis RA, Saeed S, Anees M. Comparative analysis of the serum microbiome of HIV infected individuals. Genomics 2021; 113:4015-4021. [PMID: 34637930 DOI: 10.1016/j.ygeno.2021.10.005] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 10/02/2021] [Accepted: 10/07/2021] [Indexed: 11/15/2022]
Abstract
HIV infects the CD4 cells which marks the suppression of our immune system. DNA from serum of healthy, treated and untreated HIV infected individuals was extracted. The DNA was subjected to 16S metagenomic sequencing and analyzed using QIIME2 pipeline. 16S sequencing analysis showed serum microbiome was dominated by Firmicutes, Proteobacteria, Bacteroidota and Actinobacteria. Treated HIV infection showed highest abundance of Firmicutes (66.40%) significantly higher than untreated HIV infection (35.88%) and control (41.89%). Bacilli was most abundant class in treated (63.59%) and second most abundant in untreated (34.53%) while control group showed highest abundance of class Gamma-proteobacteria (45.86%). Untreated HIV infection group showed Enterococcus (10.72%) and Streptococcus (6.599%) as the most abundant species. Untreated HIV infection showed significantly higher (p = 0.0039) species richness than treated and control groups. An altered serum microbiome of treated HIV infection and higher microbial abundance in serum of untreated HIV infection was observed.
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Affiliation(s)
- Zain Ali
- Department of Biochemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Iram Shahzadi
- Department of Biochemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Aqsa Majeed
- Alpha Genomics (Pvt) Ltd., Islamabad, Pakistan
| | | | | | - Ibrar Ahmed
- Alpha Genomics (Pvt) Ltd., Islamabad, Pakistan
| | - Riffat Aysha Anis
- Institute of Diet and Nutritional Sciences, University of Lahore, Islamabad Campus, Pakistan
| | - Sadia Saeed
- Institute of Biochemistry and Biotechnology, University of Arid Agriculture, Rawalpindi, Pakistan
| | - Mariam Anees
- Department of Biochemistry, Quaid-i-Azam University, Islamabad, Pakistan.
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Abdullah, Faraji S, Mehmood F, Malik HMT, Ahmed I, Heidari P, Poczai P. The GASA Gene Family in Cacao (Theobroma cacao, Malvaceae): Genome Wide Identification and Expression Analysis. Agronomy 2021; 11:1425. [DOI: 10.3390/agronomy11071425] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
The gibberellic acid-stimulated Arabidopsis (GASA/GAST) gene family is widely distributed in plants and involved in various physiological and biological processes. These genes also provide resistance to abiotic and biotic stresses, including antimicrobial, antiviral, and antifungal. We are interested in characterizing the GASA gene family and determining its role in various physiological and biological process in Theobroma cacao. Here, we report 17 tcGASA genes distributed on six chromosomes in T. cacao. The gene structure, promoter region, protein structure and biochemical properties, expression, and phylogenetics of all tcGASAs were analyzed. Phylogenetic analyses divided tcGASA proteins into five groups. Among 17 tcGASA genes, nine segmentally duplicating genes were identified which formed four pairs and cluster together in phylogenetic tree. Differential expression analyses revealed that most of the tcGASA genes showed elevated expression in the seeds (cacao food), implying their role in seed development. The differential expression of tcGASAs was recorded between the tolerant and susceptible cultivars of cacao, which indicating their possible role as fungal resistant. Our findings provide new insight into the function, evolution, and regulatory system of the GASA family genes in T.cacao and may suggest new target genes for development of fungi-resistant cacao varieties in breeding programs.
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Abdullah, Mehmood F, Rahim A, Heidari P, Ahmed I, Poczai P. Comparative plastome analysis of Blumea, with implications for genome evolution and phylogeny of Asteroideae. Ecol Evol 2021; 11:7810-7826. [PMID: 34188853 PMCID: PMC8216946 DOI: 10.1002/ece3.7614] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2021] [Accepted: 04/09/2021] [Indexed: 12/25/2022] Open
Abstract
The genus Blumea (Asteroideae, Asteraceae) comprises about 100 species, including herbs, shrubs, and small trees. Previous studies have been unable to resolve taxonomic issues and the phylogeny of the genus Blumea due to the low polymorphism of molecular markers. Therefore, suitable polymorphic regions need to be identified. Here, we de novo assembled plastomes of the three Blumea species B. oxyodonta, B. tenella, and B. balsamifera and compared them with 26 other species of Asteroideae after correction of annotations. These species have quadripartite plastomes with similar gene content, genome organization, and inverted repeat contraction and expansion comprising 113 genes, including 80 protein-coding, 29 transfer RNA, and 4 ribosomal RNA genes. The comparative analysis of codon usage, amino acid frequency, microsatellite repeats, oligonucleotide repeats, and transition and transversion substitutions has revealed high resemblance among the newly assembled species of Blumea. We identified 10 highly polymorphic regions with nucleotide diversity above 0.02, including rps16-trnQ, ycf1, ndhF-rpl32, petN-psbM, and rpl32-trnL, and they may be suitable for the development of robust, authentic, and cost-effective markers for barcoding and inference of the phylogeny of the genus Blumea. Among these highly polymorphic regions, five regions also co-occurred with oligonucleotide repeats and support use of repeats as a proxy for the identification of polymorphic loci. The phylogenetic analysis revealed a close relationship between Blumea and Pluchea within the tribe Inuleae. At tribe level, our phylogeny supports a sister relationship between Astereae and Anthemideae rooted as Gnaphalieae, Calenduleae, and Senecioneae. These results are contradictory to recent studies which reported a sister relationship between "Senecioneae and Anthemideae" and "Astereae and Gnaphalieae" or a sister relationship between Astereae and Gnaphalieae rooted as Calenduleae, Anthemideae, and then Senecioneae using nuclear genome sequences. The conflicting phylogenetic signals observed at the tribal level between plastidt and nuclear genome data require further investigation.
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Affiliation(s)
- Abdullah
- Department of BiochemistryFaculty of Biological SciencesQuaid‐i‐Azam UniversityIslamabadPakistan
| | - Furrukh Mehmood
- Department of BiochemistryFaculty of Biological SciencesQuaid‐i‐Azam UniversityIslamabadPakistan
| | - Abdur Rahim
- Department of ZoologyPost Graduate College NowsheraAbdul Wali Khan UniversityMardanPakistan
| | - Parviz Heidari
- Faculty of AgricultureShahrood University of TechnologyShahroodIran
| | - Ibrar Ahmed
- Alpha Genomics Private LimitedIslamabadPakistan
| | - Péter Poczai
- Finnish Museum of Natural HistoryUniversity of HelsinkiHelsinkiFinland
- Faculty of Biological and Environmental SciencesUniversity of HelsinkiHelsinkiFinland
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Ewies A, Ahmed I, Al-Azzawi F, Pitkin J, Gupta P, Persic M, Sahu B, Elgobashy A, Barraclough L, Woodman J, Babrah J, Bowden S, Stocken D, Billingham L, Sundar S, Rea D. Folic acid supplementation in postmenopausal women with hot flushes: phase III randomised double-blind placebo-controlled trial. BJOG 2021; 128:2024-2033. [PMID: 33982872 DOI: 10.1111/1471-0528.16739] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2020] [Revised: 12/30/2020] [Accepted: 02/09/2021] [Indexed: 11/30/2022]
Abstract
OBJECTIVE To assess whether folic acid supplementation ameliorates hot flushes. DESIGN Double-blind, placebo-controlled randomised trial. SETTING Nine hospitals in England. POPULATION Postmenopausal women experiencing ≥50 hot flushes weekly. METHODS Women (n = 164) were randomly assigned in a 1:1 ratio to receive folic acid 5 mg tablet or placebo daily for 12 weeks. Participants recorded frequency and severity of hot flushes in a Sloan Diary daily and completed Greene Climacteric and Utian Quality of Life (UQoL) Scales at 4-week intervals. MAIN OUTCOME MEASURES The change in daily Hot Flush Score at week 12 from randomisation based on Sloan Diary Composite Score B calculation. RESULTS Data of 143 (87%) women were available for the primary outcome. The mean change (SD) in Hot Flush Score at week 12 was -6.98 (10.30) and -4.57 (9.46) for folic acid and placebo group, respectively. The difference between groups in the mean change was -2.41 (95% CI -5.68 to 0.87) (P = 0.149) and in the adjusted mean change -2.61 (95% CI -5.72 to 0.49) (P = 0.098). Analysis of secondary outcomes indicated an increased benefit in the folic acid group regarding changes in total and emotional UQoL scores at week 8 when compared with placebo. The difference in the mean change from baseline was 5.22 (95% CI 1.16-9.28) and 1.88 (95% CI 0.23-3.52) for total and emotional score, respectively. CONCLUSIONS The study was not able to demonstrate that folic acid had a statistically significant greater benefit in reducing Hot Flush Score over 12 weeks in postmenopausal women when compared with placebo. TWEETABLE ABSTRACT Folic acid may ameliorate hot flushes in postmenopausal women but confirmation is required from a larger study.
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Affiliation(s)
- Aaa Ewies
- Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK.,Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - I Ahmed
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Birmingham, UK
| | - F Al-Azzawi
- University Hospitals of Leicester NHS Trust, Leicester, UK
| | - J Pitkin
- London Northwest University Healthcare NHS Trust, Harrow, UK.,Imperial College London, London, UK
| | - P Gupta
- University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - M Persic
- University Hospital of Derby and Burton NHS Foundation Trust, Derby, UK
| | - B Sahu
- Princess Royal Hospital, Shrewsbury and Telford NHS Trust, Shrewsbury, UK
| | - A Elgobashy
- The Royal Wolverhampton NHS Trust, Wolverhampton, UK
| | | | - J Woodman
- University Hospital Coventry and Warwickshire, Coventry, UK
| | - J Babrah
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Birmingham, UK
| | - S Bowden
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Birmingham, UK
| | - D Stocken
- Leeds Institute of Clinical Trials Research, University of Leeds, Leeds, UK
| | - L Billingham
- Cancer Research UK Clinical Trials Unit (CRCTU), University of Birmingham, Birmingham, UK
| | - S Sundar
- Sandwell and West Birmingham Hospitals NHS Trust, Birmingham, UK.,Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK
| | - D Rea
- Institute of Cancer and Genomic Sciences, University of Birmingham, Birmingham, UK.,University Hospitals of Birmingham, Birmingham, UK
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Irfan A, Ahmed I. 40 Across the Pond: Why Are Junior Doctors Seeking Surgical Training Abroad? Br J Surg 2021. [DOI: 10.1093/bjs/znab134.111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
The loss of junior doctors from the NHS has been an ongoing issue. A subset are now seeking surgical training in other systems, such as the US. This is a costly and difficult process and many enter into undesignated positions with no guarantee of a job. With so much career uncertainty, why are trainees willing to take the risk?
Method
We performed a survey of trainees who graduated from British medical schools; all are currently enrolled in a US surgical training programme. They were asked about their experiences and perceptions of
Results
Nine trainees completed the survey. The most common time for trainees to move was during or after foundation training and the majority initially matched into preliminary positions. The most common reason cited to move was to receive better quality training. Many perceived the US training to be better and felt that they had a reasonable work-life balance.
Conclusions
The potential loss of the future NHS surgical workforce is worrying. Our survey highlights that surgical trainees place a high value on the quality of their training and were willing to enter an intense and uncertain process to achieve it. This needs to be addressed to retain potential trainees.
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Affiliation(s)
- A Irfan
- UAB Hospital, Birmingham, USA
| | - I Ahmed
- NHS Grampian, Aberdeen, United Kingdom
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Miu K, Miller B, Tornari C, Slack A, Murphy P, Ahmed I, Burnay V, Karagama Y. 263 Airway, Voice and Swallow Outcomes Following Endotracheal Intubation and Mechanical Ventilation For COVID-19 Pneumonitis: Preliminary Results of a Prospective Cohort Study. Br J Surg 2021. [PMCID: PMC8135859 DOI: 10.1093/bjs/znab134.049] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Introduction The COVID-19 pandemic has placed exceptional demands on Intensive Care Units (ICU) across the world – particularly requiring patients to be intubated and mechanically ventilated. Laryngeal injury following intubation is a common occurrence, therefore this study aims to analyse airway, voice, and swallow (AVS) outcomes of patients intubated for COVID-19 pneumonitis and compares it to intubated non-COVID-19 respiratory patients and other ICU admissions. Method We collected data from inpatient records, and follow-up clinics on intubated adult patients discharged from a tertiary care hospital ICU between 01/03/20 and 30/04/20. Patients were assessed with the AVS Scale, Voice Handicap Index-10 (VHI-10), and Eating Assessment Tool-10 (EAT-10). Results 86 patients were admitted with COVID-19 pneumonitis, 17 patients were admitted with non-COVID-19 respiratory failure, and 26 patients were admitted with a non-respiratory diagnosis. The COVID-19 cohort demonstrated higher rates of AVS difficulties (airway 59% vs 44% and 31%, voice 40% vs 19% and 19%, swallow 21% vs 6% and 12%). VHI-10 and EAT-10 scores showed no significant differences between groups. Conclusions Patients intubated for COVID-19 pneumonitis reported higher rates of AVS difficulties against non-COVID-19 reasons for intubation. Robust prospective screening protocols are essential to improving patient outcomes by highlighting and therefore managing laryngological sequelae that occur following intubation.
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Affiliation(s)
- K Miu
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - B Miller
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - C Tornari
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - A Slack
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - P Murphy
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - I Ahmed
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - V Burnay
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
| | - Y Karagama
- Guy’s and St Thomas’ NHS Foundation Trust, London, United Kingdom
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44
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Bartlett J, Zhang Y, Ahmed I, Treuner K, Piper T, Pirrie S, Brufsky A, Sgroi D, Schnabel C, Rea D. 11P A Breast Cancer Index (BCI) prognostic model for N0 HR+ breast cancer optimized for late distant recurrence. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.03.025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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45
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Aamir AH, Raja UY, Asghar A, Mahar SA, Ghaffar T, Ahmed I, Qureshi FM, Zafar J, Hasan MI, Riaz A, Raza SA, Khosa IA, Khan J, Raza M, Baqar JB. Asymptomatic urinary tract infections and associated risk factors in Pakistani Muslim type 2 diabetic patients. BMC Infect Dis 2021; 21:388. [PMID: 33902477 PMCID: PMC8077900 DOI: 10.1186/s12879-021-06106-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2021] [Accepted: 04/21/2021] [Indexed: 01/11/2023] Open
Abstract
Background One of the leading long-term complications of type 2 diabetes mellitus (T2DM) includes renal dysfunction and urinary tract infections (UTI) which are considered to be prevalent in uncontrolled diabetes. Moreover, physiological factors like age, gender, duration of diabetes, other diabetic complications like neuropathy, autonomic neuropathy and glycosuria are also considered as predisposing factors for increased prevalence of UTI in diabetes which can be symptomatic or asymptomatic. Methods This was a cross-sectional, multi-centre study including diabetic patients from 12 clinical sites spread across major cities of Pakistan. The inclusion criteria were adult Pakistani population of age between 18 to 75 years both genders and suffering from T2DM irrespective of duration. A detailed clinical history of the past 3 months was recorded and, biochemical investigations of blood samples were conducted. Urine culture analysis performed identified the type of pathogen present and was done only for asymptomatic patients. Results A total of 745 type 2 diabetic patients were initially screened, out of 545 patients considered for final analysis 501 (91.92%) were negative and the rest 44 (8.08%) had positive urine culture. Female gender had a significantly higher proportion of positive urine culture (77.27%, p-value< 0.001). Body mass index and mean age had insignificant distribution among the two groups of positive and negative urine culture, with age 40–59 years having higher proportion (70.45%) in the positive group. Escherichia coli was detected in most of the positive samples (52.3%). All bacterial samples were found resistant to Ciprofloxacin. Conclusion Diabetic Pakistani muslim female patients are identified to be at high risk of suffering from asymptomatic UTI and age more than 40 years is an important risk factor. Escherichia coli was the most common causative organism among people living in this geographical area.
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Affiliation(s)
- Azizul Hasan Aamir
- Khyber Girls Medical College, Hayatabad Medical complex, Peshawar, Pakistan. .,Post Graduate Medical Institute, Peshawar, Pakistan.
| | | | | | | | - Tahir Ghaffar
- Khyber Girls Medical College, Hayatabad Medical complex, Peshawar, Pakistan
| | | | | | | | | | | | | | | | - Jahanzeb Khan
- Dow University of Health Sciences, Karachi, Pakistan
| | - Mahwish Raza
- Shaheed Zulfikar Ali Bhutto Institute of Science and Technology, Karachi, Pakistan
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46
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Islam M, Abdullah, Zubaida B, Amin N, Khan RI, Shafqat N, Masood R, Waseem S, Tahir J, Ahmed I, Naeem M, Ahmad H. Agro-Morphological, Yield, and Genotyping-by-Sequencing Data of Selected Wheat ( Triticum aestivum) Germplasm From Pakistan. Front Genet 2021; 12:617772. [PMID: 34163518 PMCID: PMC8216712 DOI: 10.3389/fgene.2021.617772] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 03/19/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Madiha Islam
- Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra, Pakistan
| | - Abdullah
- Department of Biochemistry, Quaid-i-Azam University, Islamabad, Pakistan
| | - Bibi Zubaida
- Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra, Pakistan
| | - Nageena Amin
- Institute of Molecular Biology and Biotechnology, Bahauddin Zakariya University, Multan, Pakistan
| | - Rashid Iqbal Khan
- Institute of Horticultural Sciences, University of Agriculture, Faisalabad, Pakistan
| | - Noshin Shafqat
- Department of Agriculture, Hazara University, Mansehra, Pakistan
| | - Rabia Masood
- Department of Botany, Hazara University, Mansehra, Pakistan
| | | | - Jibran Tahir
- Terrestrial Bioscience New Zealand Limited, Auckland, New Zealand
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, Pakistan
| | - Muhammad Naeem
- Federal Seed Certification and Registration Department, Islamabad, Pakistan
| | - Habib Ahmad
- Department of Biotechnology and Genetic Engineering, Hazara University, Mansehra, Pakistan
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Abdullah, Faraji S, Mehmood F, Malik HMT, Ahmed I, Heidari P, Poczai P. The GASA Gene Family in Theobroma cacao: Genome wide Identification and Expression Analysis.. [DOI: 10.1101/2021.01.27.425041] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
AbstractThe gibberellic acid-stimulated Arabidopsis (GASA/GAST) gene family is widely distributed in plants. The role of the GASA gene family has been reported previously in various physiological and biological processes, such as cell division, root and seed development, stem growth, and fruit ripening. These genes also provide resistance to abiotic and biotic stresses including antimicrobial, antiviral, and antifungal. Here, we report 17 tcGASA genes in Theobroma cacao L. distributed on six chromosomes. The gene structure, promoter-region sequences, protein structure, and biochemical properties, expression, and phylogenetics of all tcGASAs were analyzed. Phylogenetic analyses divided tcGASA proteins into five groups. The nine segmentally duplicating genes form four pairs and cluster together in phylogenetic tree. Purifying selection pressure was recorded on tcGASA, including duplicated genes. Several stress/hormone-responsive cis-regulatory elements were also recognized in the promoter region of tcGASAs. Differential expression analyses revealed that most of the tcGASA genes showed elevated expression in the seeds (cacao food), implying their role in seed development. The black rod disease of genus Phytophthora caused up to 20–25% loss (700,000 metric tons) in world cacao production. The role of tcGASA genes in conferring fungal resistance was also explored based on RNAseq data against Phytophthora megakarya. The differential expression of tcGASA genes was recorded between the tolerant and susceptible cultivars of cacao plants, which were inoculated with the fungus for 24h and 72h. This differential expression indicating possible role of tcGASA genes to fungal resistant in cacao. Our findings provide new insight into the function, evolution, and regulatory system of the GASA family genes in T. cacao and provide new target genes for development of fungi-resistant cacao varieties in breeding programs.
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48
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Abstract
The co-occurrence among single nucleotide polymorphisms (SNPs), insertions-deletions (InDels), and oligonucleotide repeats has been reported in prokaryote, eukaryote, and chloroplast genomes. Correlations among SNPs, InDels, and repeats have been investigated in the plant family Araceae previously using pair-wise sequence alignments of the chloroplast genomes of two morphotypes of one species, Colocasia esculenta belonging to subfamily Aroideae (crown group), and four species from the subfamily Lemnoideae, a basal group. The family Araceae is a large family comprising 3,645 species in 144 genera, grouped into eight subfamilies. In the current study, we performed 34 comparisons using 27 species from 7 subfamilies of Araceae to determine correlation coefficients among the mutational events at the family, subfamily, and genus levels. We express strength of the correlations as: negligible or very weak (0.10–0.19), weak (0.20–0.29), moderate (0.30–0.39), strong (0.40–0.69), very strong (0.70–0.99), and perfect (1.00). We observed strong/very strong correlations in most comparisons, whereas a few comparisons showed moderate correlations. The average correlation coefficient was recorded as 0.66 between “SNPs and InDels,” 0.50 between “InDels and repeats,” and 0.42 between “SNPs and repeats.” In qualitative analyses, 95–100% of the repeats at family and sub-family level, while 36–86% of the repeats at genus level comparisons co-occurred with SNPs in the same bins. Our findings show that such correlations among mutational events exist throughout Araceae and support the hypothesis of distribution of oligonucleotide repeats as a proxy for mutational hotspots.
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Affiliation(s)
- Abdullah
- Department of Biochemistry, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, Pakistan
| | - Claudia L Henriquez
- Department of Ecology and Evolutionary Biology, University of California, Los Angeles, Los Angeles, CA, United States
| | | | - Peter Poczai
- Finnish Museum of Natural History, University of Helsinki, Helsinki, Finland
| | - Ibrar Ahmed
- Alpha Genomics Private Limited, Islamabad, Pakistan
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49
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Kamran Z, Ruby T, Hussain M, Ali S, Ahmad S, Abdullah M, Sohail M, Koutoulis K, Ahmad H, Ahmed I, Shahzad M, Yousaf M, Afzal G. Comparative Efficacy of Citrullus Colocynthis Fruit Powder and Popular Antibiotic Growth Promoters in Broiler Diet. ANIM NUTR FEED TECHN 2021. [DOI: 10.5958/0974-181x.2021.00035.4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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50
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Khan AQ, Khaliq S, Tunç O, Khaliq A, Javaid MB, Ahmed I. Bifurcation analysis and chaos of a discrete-time Kolmogorov model. Journal of Taibah University for Science 2021. [DOI: 10.1080/16583655.2021.2014679] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- A. Q. Khan
- Department of Mathematics, University of Azad Jammu & Kashmir, Muzaffarabad, Pakistan
| | - S. Khaliq
- Department of Mathematics, University of Azad Jammu & Kashmir, Muzaffarabad, Pakistan
| | - O. Tunç
- Department of Computer Programing Baskale Vocational School, Van Yuzuncu Yil University, Van, Turkey
| | - A. Khaliq
- Department of Mathematics, Riphah International University, Lahore, Pakistan
| | - M. B. Javaid
- Department of Mathematics, University of Azad Jammu & Kashmir, Muzaffarabad, Pakistan
| | - I. Ahmed
- Department of Mathematics, Mirpur University of Science and Technology (MUST), Mirpur, Pakistan
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