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Powles T, June Assaf Z, Mariathasan S, Hussain M, Oudard S, Albers P, Castellano D, Nishiyama H, Daneshmand S, Grivas P, Sharma S, Sethi H, Aleshin A, Degaonkar V, Shi Y, Davarpanah N, Carter C, Bellmunt J, Gschwend J. IMvigor010: Updated analysis of Overall Survival (OS) by circulating tumour DNA (ctDNA) status in patients with post-operative Muscle-Invasive Urothelial Carcinoma (MIUC) treated with atezolizumab. EUR UROL SUPPL 2022. [DOI: 10.1016/s2666-1683(22)02565-4] [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: 11/11/2022] Open
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2
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Tan A, Lai G, Saw S, Chua K, Takano A, Ong B, Koh T, Jain A, Tan W, Ng Q, Kanesvaran R, Rajasekaran T, Kalshnikova E, Shchegrova S, H. -Ta, Lin J, Renner D, Sethi H, Zimmermann B, Aleshin A, Lim W, Tan E, Skanderup A, Ang M, Tan D. MA07.06 Circulating Tumor DNA for Monitoring Minimal Residual Disease and Early Detection of Recurrence in Early Stage Lung Cancer. J Thorac Oncol 2021. [DOI: 10.1016/j.jtho.2021.08.144] [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: 10/20/2022]
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Klarin D, Kalashnikova E, Wu HT, Mehta S, Salari R, Sethi H, Zimmermann B, Billings P, Aleshin A. 1762P Association of clonal hematopoiesis of indeterminate potential with higher risk of disease progression. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1707] [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: 10/20/2022] Open
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Shoushtari A, Collins L, Espinosa E, Sethi H, Stanhope S, Abdullah S, Ikeguchi A, Ranade K, Hamid O. 1757O Early reduction in ctDNA, regardless of best RECIST response, is associated with overall survival (OS) on tebentafusp in previously treated metastatic uveal melanoma (mUM) patients. Ann Oncol 2021. [DOI: 10.1016/j.annonc.2021.08.1702] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
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Powles T, Szabados B, Castellano D, Rodriguez-Vida A, Valderrama B, Crabb S, Van Der Heijden M, Pous AF, Prendergast A, Gravis G, Herranz UA, Sharma S, Ravauld A, Sethi H, Zimmerman B, Aleshin A, Kockx M, Banchereau R, Mariathasan S, Assaf ZJ. CtDNA as a predictor of outcome in patients treated with neoadjuvant atezolizumab in muscle invasive urothelial cancer. Urol Oncol 2020. [DOI: 10.1016/j.urolonc.2020.10.069] [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: 11/30/2022]
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Ococks E, Ng A, Devonshire G, Dashner S, Chan WC, Sharma S, Wu HT, Redmond A, Northrop A, Grehan N, Sethi H, Zimmermann B, Smyth E, Aleshin A, Fitzgerald R. 370P Bespoke circulating tumour DNA assay for the detection of minimal residual disease in esophageal adenocarcinoma patients. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.10.594] [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: 10/22/2022] Open
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7
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Henriksen T, Tarazona N, Reinert T, Carbonell-Asins J, Roda D, Huerta M, Roselló S, Madsen A, Iversen L, Gotschalck K, Sharma S, Wu HT, Shchegrova S, Tin A, Sethi H, Zimmermann B, Aleshin A, Andersen C, Cervantes A. 420P Minimal residual disease detection and tracking tumour evolution using ctDNA in stage I-III colorectal cancer patients. Ann Oncol 2020. [DOI: 10.1016/j.annonc.2020.08.531] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Whewell H, Brown C, Gokani VJ, Harries RL, Aguilera ML, Ahrend H, Al Qallaf A, Ansell J, Beamish A, Borraez-Segura B, Di Candido F, Chan D, Govender T, Grass F, Gupta AK, Dae Han Y, Jensen KK, Kusters M, Wing Lam K, Machila M, Marquardt C, Moore I, Ovaere S, Park H, Premaratne C, Sarantitis I, Sethi H, Singh R, Yonkus J. Variation in training requirements within general surgery: comparison of 23 countries. BJS Open 2020; 4:714-723. [PMID: 33521506 PMCID: PMC7397354 DOI: 10.1002/bjs5.50293] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2019] [Revised: 01/14/2020] [Accepted: 03/24/2020] [Indexed: 11/10/2022] Open
Abstract
Background Many differences exist in postgraduate surgical training programmes worldwide. The aim of this study was to provide an overview of the training requirements in general surgery across 23 different countries. Methods A collaborator affiliated with each country collected data from the country's official training body website, where possible. The information collected included: management, teaching, academic and operative competencies, mandatory courses, years of postgraduate training (inclusive of intern years), working‐hours regulations, selection process into training and formal examination. Results Countries included were Australia, Belgium, Canada, Colombia, Denmark, Germany, Greece, Guatemala, India, Ireland, Italy, Kuwait, the Netherlands, New Zealand, Russia, Saudi Arabia, South Africa, South Korea, Sweden, Switzerland, UK, USA and Zambia. Frameworks for defining the outcomes of surgical training have been defined nationally in some countries, with some similarities to those in the UK and Ireland. However, some training programmes remain heterogeneous with regional variation, including those in many European countries. Some countries outline minimum operative case requirement (range 60–1600), mandatory courses, or operative, academic or management competencies. The length of postgraduate training ranges from 4 to 10 years. The maximum hours worked per week ranges from 38 to 88 h, but with no limit in some countries. Conclusion Countries have specific and often differing requirements of their medical profession. Equivalence in training is granted on political agreements, not healthcare need or competencies acquired during training.
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Affiliation(s)
- H Whewell
- Department of General Surgery Royal Gwent Hospital Newport UK
| | - C Brown
- Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK
| | - V J Gokani
- Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK
| | - R L Harries
- Department of General Surgery Morriston Hospital Swansea UK
| | | | - M L Aguilera
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - H Ahrend
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - A Al Qallaf
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - J Ansell
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - A Beamish
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - B Borraez-Segura
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - F Di Candido
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - D Chan
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - T Govender
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - F Grass
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - A K Gupta
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - Y Dae Han
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - K K Jensen
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - M Kusters
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - K Wing Lam
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - M Machila
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - C Marquardt
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - I Moore
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - S Ovaere
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - H Park
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - C Premaratne
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - I Sarantitis
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - H Sethi
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - R Singh
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
| | - J Yonkus
- Department of General Surgery Royal Gwent Hospital Newport UK.,Postgraduate Research Degrees Office Cardiff University School of Medicine Cardiff UK.,Department of Plastic Surgery Queen Victoria Hospital East Grinstead UK.,Department of General Surgery Morriston Hospital Swansea UK
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Correa A, Connolly D, Balcioglu M, Wu HT, Dashner S, Shchegrova S, Kalashnikova E, Pawar H, Uzzo R, Gong Y, Kister D, Collins M, Donovan M, Winters R, Aleshin A, Sethi H, Salari R, Louie M, Zimmermann B, Abbosh P. Presence of circulating tumour DNA in surgically resected renal cell carcinoma is associated with advanced disease and poor patient prognosis. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz239.021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Yang C, Iafolla M, Dashner S, Xu W, Hansen A, Bedard P, Lheureux S, Spreafico A, Razak A, Wu HT, Shchegrova S, Liu Z, Ohashi P, Torti D, Louie M, Sethi H, Aleshin A, Siu L, Bratman S, Pugh T. Bespoke circulating tumor DNA (ctDNA) analysis as a predictive biomarker in solid tumor patients (pts) treated with single agent pembrolizumab (P). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz239.024] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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11
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Jacobs S, Sethi H, Kolveska T, George T, Shchegrova S, Tin T, Lee J, Olson A, Renner D, Kalashnikova E, Yothers G, Wolmark N, Pogue-Geile K, Srinivasan A, Kortmansky J, Louie M, Salari R, Zimmermann B, Aleshin A, Allegra C. Analysis of circulating tumour DNA for early relapse detection in stage III colorectal cancer after adjuvant chemotherapy. Ann Oncol 2019. [DOI: 10.1093/annonc/mdz239.074] [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: 11/14/2022] Open
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12
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Coombes RC, Armstrong A, Ahmed S, Page K, Hastings RK, Salari R, Sethi H, Boydell AR, Shchegrova SV, Fernandez-Garcia D, Gleason KL, Goddard K, Guttery DS, Assaf ZJ, Balcioglu M, Moore DA, Primrose L, Navarro SL, Aleshin A, Rehman F, Toghill BJ, Louie MC, Zimmermann BG, Lin CHJ, Shaw JA. Abstract P4-01-02: Early detection of residual breast cancer through a robust, scalable and personalized analysis of circulating tumour DNA (ctDNA) antedates overt metastatic recurrence. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p4-01-02] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background:
Many breast cancer patients relapse after primary treatment but there are no reliable tests to detect distant metastases before they become overt. Here we show earlier identification of recurring patients through a scalable personalised ctDNA analysis. The method is applicable to all patients, and not limited to hot-spot mutations typically detected by gene panels.
Methods:
Forty-nine non-metastatic breast cancer patients were recruited following surgery and adjuvant therapy. Plasma samples (n=208) were serially collected semi-annually. Using the analytically validated SignateraTM workflow, we determined mutational signatures from primary tumour whole exome data and designed personalised assays targeting 16 variants with high sensitivity by ultra-deep sequencing (average >100,000X). The patient-specific assay was used to detect the presence of the mutational signature in the plasma.
Results:
In 16 of 18 (89%) clinically-relapsing patients, ctDNA was detected ahead of metastatic relapse being diagnosed by clinical examination, radiological and biochemical (CA15-3) measurements, and remained ctDNA-positive through follow-up. Of the 2 patients not detected by ctDNA, one had a small local recurrence only (now resected) and the other had three primary tumours. None of the 31 non-relapsing patients were ctDNA-positive at any time point (n=142). Metastatic relapse was predicted by Signatera with high accuracy and a lead time of up to 2 years (median=9.5 months).
Conclusions:
The use of a scalable patient-specific ctDNA-based validated workflow detects breast cancer recurrence ahead of clinical detection. Accurate and earlier prediction by ctDNA analysis could provide a means of monitoring breast cancer patients in need of second-line salvage adjuvant therapy in order to prevent overt life-threatening metastatic progression.
Citation Format: Coombes RC, Armstrong A, Ahmed S, Page K, Hastings RK, Salari R, Sethi H, Boydell A-R, Shchegrova SV, Fernandez-Garcia D, Gleason KL, Goddard K, Guttery DS, Assaf ZJ, Balcioglu M, Moore DA, Primrose L, Navarro SL, Aleshin A, Rehman F, Toghill BJ, Louie MC, Zimmermann BG, Lin C-HJ, Shaw JA. Early detection of residual breast cancer through a robust, scalable and personalized analysis of circulating tumour DNA (ctDNA) antedates overt metastatic recurrence [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P4-01-02.
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Affiliation(s)
- RC Coombes
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - A Armstrong
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - S Ahmed
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - K Page
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - RK Hastings
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - R Salari
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - H Sethi
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - A-R Boydell
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - SV Shchegrova
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - D Fernandez-Garcia
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - KL Gleason
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - K Goddard
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - DS Guttery
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - ZJ Assaf
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - M Balcioglu
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - DA Moore
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - L Primrose
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - SL Navarro
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - A Aleshin
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - F Rehman
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - BJ Toghill
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - MC Louie
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - BG Zimmermann
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - C-HJ Lin
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
| | - JA Shaw
- Imperial College London, London, United Kingdom; Leicester Infirmary, Leicester, United Kingdom; The Christie Foundation NHS Trust, Manchester, United Kingdom; Natera, San Carlos, CA; University of Leicester, Leicester, United Kingdom
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Reinert T, Henriksen T, Rasmussen M, Sethi H, Salari R, Shchegrova S, Swenerton R, Wu HT, Sharma S, Christensen E, Natarajan P, Dashner S, Tin T, Olson A, Pawar H, Zimmermann B, Iversen L, Madsen M, Lin J, Andersen C. Serial circulating tumor DNA analysis for detection of residual disease, assessment of adjuvant therapy efficacy and for early recurrence detection in colorectal cancer. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy281.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Birkenkamp-Demtröder K, Christensen E, Sethi H, Sharma S, Wu HT, Taber A, Agerbæk M, Swenerton R, Salari R, Hafez D, Nordentoft I, Lamy P, Srinivasan R, Balcioglu M, Navarro S, Assaf Z, Zimmermann B, Lin J, Bjerggaard Jensen J, Dyrskjøt L. Longitudinal assessment of multiplex patient-specific ctDNA biomarkers in bladder cancer for diagnosis, surveillance and recurrence. Ann Oncol 2018. [DOI: 10.1093/annonc/mdy269.084] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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Jhanjee S, Pant S, Girdhar N, Gunasekhar R, Jain R, Sethi H. P-59 * IN- PRISON OUTCOMES OF BUPRENORPHINE MAINTAINENCE FOR PRISONERS: RESULTS FROM A PILOT INTERVENTION IN TIHAR PRISONS, INDIA. Alcohol Alcohol 2014. [DOI: 10.1093/alcalc/agu054.59] [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: 11/14/2022] Open
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Parker J, Haider S, Miller J, Brown S, Robertson N, Lewis M, Sillery E, Nowak V, Sethi H, Bjorkqvist M, Orth M, Tabrizi S. B37 Investigation Of Viability And Response To Inflammatory Stimuli In Cultured Human Myotubes Derived From Patients With Huntington's Disease. Journal of Neurology, Neurosurgery & Psychiatry 2014. [DOI: 10.1136/jnnp-2014-309032.65] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Abstract
Simple liver cysts are common, rarely causing significant morbidity or mortality. Budd–Chiari syndrome (BCS) is caused by obstruction of hepatic venous outflow and is the leading cause of postsinusoidal liver failure. We present a rare case of BCS caused by a simple hepatic cyst. A 16cm × 16cm liver cyst was found on computed tomography of a 66-year-old woman presenting with abdominal pain. The cyst had become infected, thus enlarged, exerting mass effect with almost complete compression of the inferior vena cava. Shortly after admission, the patient developed acute liver failure, with deranged clotting and hepatic encephalopathy requiring full organ support on the intensive care unit. Cardiac output studies showed a low cardiac index of 1.4l/min/m2. An emergency laparotomy with fenestration of the cyst and drainage of 2l of purulent material led to a full recovery. Intraoperative cystic fluid aspirates later confirmed no evidence of Echinococcus. Histology confirmed a simple cyst. Liver biopsies showed severe, confluent, bridging necrosis, without background parenchymal liver disease. Acute BCS due to rapid compression of all major hepatic veins leading to fulminant hepatic failure is rare. Our case highlights a clinically significant complication of a simple liver cyst of which clinicians should be aware when managing these ‘innocent’ lesions.
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Affiliation(s)
- J Long
- Cardiff and Vale University Health Board, UK
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Machado P, Miller A, Herbelin L, He J, Noel J, Wang Y, McVey AL, Pasnoor M, Gallagher P, Statland J, Brady S, Lu CH, Kalmar B, Sethi H, Samandouras G, Holton J, Greensmith L, Barohn RJ, Hanna MG, Dimachkie MM. LB0002 Safety and Tolerability of Arimoclomol in Patients with Sporadic Inclusion Body Myositis: A Randomised, Double-Blind, Placebo-Controlled, Phase IIa Proof-of-Concept Trial. Ann Rheum Dis 2014. [DOI: 10.1136/annrheumdis-2013-eular.527] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Mohan D, Dhawan A, Chopra A, Sethi H. A 24‐week outcome following buprenorphine maintenance among opiate users in India. Journal of Substance Use 2009. [DOI: 10.1080/14659890600708324] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Green AL, Joint C, Sethi H, Bain P, Aziz TZ. Cost analysis of unilateral and bilateral pallidotomy for Parkinson's disease. J Clin Neurosci 2004; 11:829-34. [PMID: 15519857 DOI: 10.1016/j.jocn.2004.03.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2003] [Accepted: 03/10/2004] [Indexed: 10/26/2022]
Abstract
With the rapid increase in provision of deep brain stimulation for Parkinson's disease, the efficacy of pallidotomy in symptom alleviation appears to be increasingly ignored. We demonstrate that lesional surgery is effective with benefit over a significant period of time with very significant societal cost savings. Such studies are essential for future planning of services so that maximum numbers of patients can benefit from surgery, both lesional and neuromodulation, as deemed appropriate.
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Affiliation(s)
- A L Green
- The Oxford Movement Disorder Group, Department of Neurological Surgery, The Radcliffe Infirmary, Woodstock Road, Oxford OX2 6HE, UK
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Bojanic S, Sethi H, Hyam J, Yianni J, Nandi D, Joint C, Carter H, Gregory R, Bain P, Aziz TZ. Externalising deep brain electrodes: an increased risk of infection? J Clin Neurosci 2004; 11:732-4. [PMID: 15337135 DOI: 10.1016/j.jocn.2003.09.019] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2003] [Accepted: 09/09/2003] [Indexed: 10/26/2022]
Abstract
It is the practice in many centres to externalise deep brain electrodes in functional neurosurgery to confirm efficacy of therapy prior to full implantation of the pacemaker. It has been a concern that such practice might lead to an increased rate of infection. We report a retrospective study of the rates of infection in two major centres where all electrodes are externalised in one centre and directly implanted in the other. We have not found an increased rate of infection as a result of externalisation and feel, particularly in pain patients, that doing so can lead to significant cost savings by avoiding ineffective implantations.
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Affiliation(s)
- S Bojanic
- Department of Neurological Surgery, The Radcliffe Infirmary, Oxford OX2 6HE, UK.
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Abstract
This survey of 500 households in a New Delhi urban slum compared reports of substance use by the head of the household informant with individual self-report. Information from the two sources was compared for 1,132 people above the age of 15 years. The paired agreement regarding the use of substances was high (kappa=0.92; S.E.=0.01, z=92.0). The agreement regarding the presence of symptoms and classification of dependence for the use of alcohol, tobacco and opiates ranged from good to excellent and head of household reports had a high positive predictive value for the use of these substances. This method provides useful estimates of drug use and dependence for substances associated with observable physiologic withdrawal syndromes, and is less costly and quicker to perform than traditional self-report methodologies.
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Affiliation(s)
- Davinder Mohan
- Department of Psychiatry, Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi, India.
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Mohan D, Chopra A, Sethi H. The co-occurrence of tobacco & alcohol in general population of metropolis Delhi. Indian J Med Res 2002; 116:150-4. [PMID: 12674829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023] Open
Abstract
BACKGROUND & OBJECTIVES The association between tobacco and alcohol use behaviours has not been explored in India. This study reports on the co-occurrence of tobacco and alcohol use in a representative general population in metropolis Delhi at two points of time a year apart. METHODS Matched data on 10,312 individuals from 2937 households above the age of 10 yr were available for survey I and survey II. Among them 5414 were males and 4898 females. The subjects were interviewed by non clinical staff using a structured proforma based on DSM III R criteria on the use of tobacco, alcohol, cannabis and opioids. RESULTS Among women, use of only tobacco was reported. Among males, the prevalence of use of 'only tobacco', 'only alcohol' and concurrent smoking and drinking was 18.1, 3.3 and 9.6 per cent respectively. Concurrent use was higher in the age group 31-40 yr and dependence higher in the 41-50 yr age group. Both at surveys I and II current smokers had higher percentage of alcohol drinkers compared to tobacco abstainers; dependent smokers had higher percentage of dependent drinkers. The use of alcohol at survey II was higher among tobacco smokers compared to tobacco abstainers identified at survey I (OR = 5.77, 95% CI 4.3-7.7). INTERPRETATION & CONCLUSION Our results demonstrate a positive correlation between smoking and drinking. The findings lend support to existing evidence suggesting associations between tobacco and alcohol use. Smoking proved to be a powerful predictor of alcohol use. It is suggested that professionals who treat alcoholism should pursue the cessation of smoking among their patients.
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Affiliation(s)
- D Mohan
- Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi, India
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Mohan D, Chopra A, Sethi H. Incidence estimates of substance use disorders in a cohort from Delhi, India. Indian J Med Res 2002; 115:128-35. [PMID: 12201177] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023] Open
Abstract
BACKGROUND & OBJECTIVES There are no reports of incidence studies in the Indian setting on substance use disorders in the general population. This survey-resurvey carried out in metropolis Delhi estimated the incidence rates of substance use disorders. METHODS A cross-sectional survey was carried out at two points of time with an interval of one year in a representative sample from the general population of metropolis, Delhi. The instrument was precoded, structured and based on DSM III-R operationalised criteria for use of tobacco, alcohol, cannabis and opioids (past one month). Matched data for two points of time were available for 5414 males and 4898 females. RESULTS In the total cohort, the annual incidence rates (per 100 persons) among males for any drug use, alcohol, tobacco, cannabis and opioids were 5.9, 4.2, 4.9, 0.02 and 0.04 respectively. Among females, incidence of any drug use was 1.2/100 persons. INTERPRETATION & CONCLUSION Results showed that males have higher incidence for both not-dependent and dependent use for all the drug categories. Females had a higher incidence of dependent tobacco use.
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Affiliation(s)
- D Mohan
- Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi, India
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Mohan D, Chopra A, Sethi H. A rapid assessment study on prevalence of substance abuse disorders in metropolis Delhi. Indian J Med Res 2001; 114:107-14. [PMID: 11873400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023] Open
Abstract
BACKGROUND & OBJECTIVES No studies in India have attempted to identify in the general population a 'dependent drug user' based on clinically used diagnostic criteria. This two point survey estimated the prevalence of substance use disorders and the change in the trends of drug use after a period of one year in metropolis Delhi. METHODS A total of 72 colonies in five types of housing clusters were surveyed. The head of the household (HOH) was interviewed only for collecting information about family members (above 10 yr) on an instrument based on the DSM III R operationalised criteria. Trained non medical interviewers administered the precoded instrument to 6004 and 5599 HOH in the first and second surveys respectively. RESULTS In the first survey, the prevalence of tobacco, alcohol, cannabis and opioids use among males was 27.6, 12.6, 0.3 and 0.4 per cent respectively. The rates were highest in resettlement clusters followed by urban villages, unauthorized, regularized and in 'others' clusters. The use rates remained unchanged during the re-survey. Dependent use (any drug) increased in the resettlement clusters only during the re-survey. INTERPRETATION & CONCLUSION The results highlight that it is the legal drugs viz., tobacco and alcohol that could pose higher health and social consequences, both short and long term. The situation of illicit drug use (heroin) was higher in the resettlement clusters and urban villages. Need based programmes have to be evolved and executed to keep the drug dependent population stable. The rapid survey technique can be useful in developing countries like India, where resource crunch for survey research is acute. This technique is less costly, quicker to perform and can supplant traditional self-report methodologies.
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Affiliation(s)
- D Mohan
- Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi, India
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Abstract
OBJECT In this retrospective study conducted at Atkinson Morley's Hospital and Middlesbrough General Hospital, the authors analyzed 100 matched patients who had suffered subarachnoid hemorrhage (SAH) to determine whether the technical procedure by which aneurysms are treated affects the development of chronic hydrocephalus. METHODS Four hundred seventy-five patients presented with SAH between 1995 and 1998. Exclusion criteria included posterior circulation aneurysms, multiple aneurysms, electively clipped or embolized aneurysms, angiographically undetected SAH, patients who died within 1 month of neurosurgical intervention, and patients with the same aneurysm location but a different Fisher grade. The authors matched 50 patients who underwent embolization of their aneurysms with another 50 who had similar Fisher grades and aneurysm types and underwent clipping of their aneurysms. The maximum incidence of ruptured aneurysms occurred in patients who were between 41 and 60 years of age, with women preponderant in both study groups. In each group, 27 patients had anterior communicating artery aneurysm, 13 had posterior communicating artery aneurysm, seven had middle cerebral artery aneurysm, and three had internal carotid artery aneurysm. The lesions in three patients in each group were Fisher Grade I, in 23 patients they were Fisher Grade II, in 14 they were Fisher Grade III, and 10 patients had Fisher Grade IV SAH. Nine patients among those with clipped aneurysms and eight of the patients who underwent embolization had hydrocephalus for which they needed intervention. These interventions included lumbar puncture, ventricular drainage, and ventriculoperitoneal (VP) shunt placement; three patients in each group needed VP shunt placement. CONCLUSIONS The technical procedure used to treat aneurysms, whether clipping or embolization, does not significantly affect the development of chronic hydrocephalus. However, a larger sample of patients is needed for accurate comparisons and stronger conclusions.
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Affiliation(s)
- H Sethi
- Department of Neurosurgery, Newcastle General Hospital, Newcastle-upon-Tyne, United Kingdom
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Abstract
To evaluate the coherence of Alcohol Dependence Syndrome (ADS) as defined by DSM III-R criteria, 482 males were diagnosed as having ADS from a representative general population survey. Nine DSM III-R criteria were factor analyzed to assess unidimensionality. Unlike our earlier report on the same issue, a single-factor model, rather than a two-factor model, supports the coherence of the dependence syndrome explaining the relationship among the nine criteria for community data. When combining criteria into cumulative scales, they formed good approximation of Guttman scales and further supported unidimensionality. Withdrawal and withdrawal avoidance had maximum loading (0.9) and thus can be considered as highly central criteria in defining the syndrome, while preoccupation measured the most severe level of dependence (z = 0.21).
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Affiliation(s)
- D Mohan
- Department of Psychiatry and Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi
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Sethi H, Saili A, Dutta AK. Phototherapy induced hypocalcemia. Indian Pediatr 1993; 30:1403-6. [PMID: 8077028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Sixty neonates with hyperbilirubinemia were included in the study. There were 20 preterm (Group A) and 20 full term (Group B) neonates. Ten neonates from each group formed the control group. The study group neonates were managed with phototherapy while the control group neonates were not subjected to phototherapy. Serum calcium levels of the two groups were studied. Ninety per cent preterm neonates and seventy-five per cent full term neonates developed hypocalcemia after being subjected to phototherapy. There was a highly significant fall in the total as well as ionized calcium levels in the study group in contrast to the control group. It is recommended that neonates under phototherapy should be given supplemental calcium to prevent hypocalcemia.
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Affiliation(s)
- H Sethi
- Neonatal Division, Lady Hardinge Medical College, New Delhi
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Mohan D, Ray R, Sethi H. Unidimensionality of alcohol dependence syndrome? Drug Alcohol Depend 1992; 31:51-5. [PMID: 1425214 DOI: 10.1016/0376-8716(92)90008-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] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
To evaluate the coherence of Alcohol Dependence Syndrome (ADS), as per DSM-III-R criteria, 72 and 223 subjects with alcohol dependence disorder from Hospital and Community settings, respectively, were interviewed. Nine DSM-III-R criteria assessing the dependence syndrome were factor-analysed. A single factor model provides an adequate description of the interrelationship among the nine criteria and supports the coherence of the dependence syndrome for the hospital sample but not for the community. A two factor model, namely 'withdrawal' and 'social', fits the community data. When the criteria were combined into cumulative scales, they formed good approximations of unidimensional Guttman scales for both the hospital and community settings. For hospital data, preoccupation was the highly central criterion (lambda = 0.95) in defining the dependence syndrome while 'can't stop' (v = 0.11) measured the most severe level of dependence. In the community the 'socially dysfunctional use' identified as a separate secondary factor measured the most severe level of dependence.
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Affiliation(s)
- D Mohan
- Department of Psychiatry and Drug Dependence Treatment Centre, All India Institute of Medical Sciences, New Delhi
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Mohan D, Desai NG, Chopra A, Sethi H. A rapid survey on substance abuse disorders in the urban slums of New Delhi. Indian J Med Res 1992; 96:122-7. [PMID: 1428052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022] Open
Abstract
The results are presented of a rapid survey screening method of general population for identifying dependent and non dependent drug abusers, especially in vulnerable groups such as slum dwellers. The results showed that with the help of instrument with modified DSM III and interviewing only the heads of the households it was possible to get reliable estimates of dependence disorder in the community. This method can be of assistance to health planners for a quick assessment of the magnitude of the problem leading to better allocation of funds and developing services for the affected population. The method is an improvement on key informant technique and a full fledged survey.
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Affiliation(s)
- D Mohan
- Department of Psychiatry, All India Institute of Medical Sciences, New Delhi
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Rahar S, Sethi H, Sethi H, Gupta VS. Needle capsulorhexis in intumescent white cataract using slow injecting viscoelastic device through an anterior chamber maintainer. Nepal J Ophthalmol 1970; 3:214-5. [DOI: 10.3126/nepjoph.v3i2.5282] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
DOI: http://dx.doi.org/10.3126/nepjoph.v3i2.5282Nepal J Ophthalmol 2011; 3(2): 214-215
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