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Shaikh N, Stec M, Bohnsack BL. Soft contact lens options in the management of pediatric aphakia - A quantitative and qualitative assessment. Cont Lens Anterior Eye 2023; 46:101874. [PMID: 37355359 DOI: 10.1016/j.clae.2023.101874] [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: 09/09/2022] [Revised: 03/27/2023] [Accepted: 06/16/2023] [Indexed: 06/26/2023]
Abstract
BACKGROUND The main contact lens for pediatric aphakia has historically been a silicone elastomer lens (Silsoft SuperPlus). Due to supply chain disruption, many aphakic children required an alternative lens. We performed quantitative and qualitative comparisons between Silsoft SuperPlus and alternative aphakic soft contacts. METHOD Sixty-nine aphakic eyes of 49 patients wearing Silsoft SuperPlus lenses underwent the refitting process into an alternative soft contact. Data collected included lens parameters, visual acuity, keratometry, horizontal visible iris diameter, and over-refraction. A 6-question survey assessing the patients'/guardians' experience with Silsoft SuperPlus versus the alternative lens was conducted at initial fit and 1-3 months post-fit. RESULTS Twenty-four patients (49 %), 4(8 %), and 1(2 %) were refit into Flexlens Definitive 74, Biofinity XR, and Intelliwave Pro Toric lenses, respectively. Sixteen patients (34 %) remained in Silsoft SuperPlus due to personal lens surplus or inability to handle the new lens while 2(4 %) opted for glasses. Silsoft SuperPlus was typically successful in eyes with average keratometry (AveK) 7.4-7.6 mm. Flexlens Definitive 74 required a base curve 0.4 mm steeper than the AveK. Patients'/guardias' reported a trend toward greater comfort with handling Silsoft SuperPlus, however, patients experienced less adverse side effects with the alternative soft contact lenses. CONCLUSIONS Flexlens Definitive 74 was an adequate alternative to Silsoft SuperPlus in aphakic children, however lens parameters must be steepened. Keratometry streamlined the contact lens fitting process. Alternative soft lenses are a cost-effective alternative to Silsoft contact lenses.
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Affiliation(s)
- Noreen Shaikh
- Division of Ophthalmology, Ann & Robert H. Lurie Children's Hospital of Chicago, USA
| | - Magdalena Stec
- Division of Ophthalmology, Ann & Robert H. Lurie Children's Hospital of Chicago, USA; Department of Ophthalmology, Northwestern University Feinberg School of Medicine, USA
| | - Brenda L Bohnsack
- Division of Ophthalmology, Ann & Robert H. Lurie Children's Hospital of Chicago, USA; Department of Ophthalmology, Northwestern University Feinberg School of Medicine, USA.
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Konstantinou EK, Shaikh N, Ramsey DJ. Birt-Hogg-Dubé syndrome associated with chorioretinopathy and nyctalopia: a case report and review of the literature. Ophthalmic Genet 2023; 44:175-181. [PMID: 34353225 DOI: 10.1080/13816810.2021.1961281] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 10/20/2022]
Abstract
PURPOSE To report a rare case of Birt-Hogg-Dubé Syndrome (BHD) with progressive chorioretinopathy. METHODS Case report. RESULTS A 55-year-old woman presented with longstanding nyctalopia attributed to a congenital retinal dystrophy, but no prior genetic testing. Her posterior pole examination demonstrated retinal pigment epithelium (RPE) mottling with extensive macular drusen and paracentral chorioretinal atrophy, consistent with a fleck retinopathy. Her past medical history was remarkable for nephrectomy for unilateral renal malignancy, parotid tumors and thyroid nodules. Dark adaptation time was prolonged, and electroretinography (ERG) revealed abnormal waveforms with depressed amplitudes. Genetic testing confirmed a deletion mutation in the folliculin (FLCN) gene and was negative for other relevant mutations, including EFEMP1 responsible for autosomal dominant macular and peripapillary drusen in Doyne honeycomb retinal dystrophy and TIMP3 responsible for Sorsby Fundus Dystrophy. CONCLUSION BHD is a rare autosomal-dominant disorder with multi-systemic clinical manifestations caused by a mutation in the FLCN gene. Affected individuals are prone to renal and pulmonary cysts, renal cancer, and fibrofolliculomas. Reports on ocular manifestations of BHD include eyelid fibrofolliculomas, flecked chorioretinopathy, choroidal melanoma, choroidal melanoma with sector melanocytosis, and retinal pigment epithelial micro-detachments. In this case of BHD, we note a fleck retinopathy with bilateral chorioretinal atrophy, displaying a phenotype of extensive chorioretinopathy associated with impaired dark adaptation and ERG abnormalities. ABBREVIATIONS BHD: Birt-Hogg-Dubé syndrome; FLCN: Folliculin. RPE: retinal pigment epithelium; OD: Oculus dexter (right eye); OS: Oculus sinister (left eye). OU: Oculus uterque (both eyes); ERG: electroretinogram; mfERG: multifocal electroretinography. ffERG: full-field electroretinography; FAF: fundus autofluorescence; OCT: optical coherence tomography; FA: fluorescein angiography; DA: dark-adapted; LA: light-adapted; mTOR: mammalian target of rapamycin; EFEMP1: epithelial growth factor-containing fibulin-like extracellular matrix protein 1; VPS13B: Vacuolar Protein Sorting 13 Homolog B; AGBL5: AATP/GTP-Binding Protein Like 5; ALMS1: Alstrom Syndrome 1; COL1BA1: Collagen Type I Beta, Alpha Chain 1; PDE6A: Rod Phosphodiesterase 6-alpha; USH2A: Usherin 2a; VCAN: Versican; RP: Retinitis pigmentosa; AR: Autosomal recessive.
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Affiliation(s)
- Eleni K Konstantinou
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, Massachusetts, USA
- Department of Ophthalmology, Tufts University School of Medicine, Boston, Massachusetts, USA
| | - Noreen Shaikh
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, Massachusetts, USA
- Department of Ophthalmology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
| | - David J Ramsey
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, Massachusetts, USA
- Department of Ophthalmology, Tufts University School of Medicine, Boston, Massachusetts, USA
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3
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Karande S, Gogtay NJ, Shaikh N, Sholapurwala R, More T, Meshram P. Self-perceived anxiety symptoms in school students with borderline intellectual functioning: A cross-sectional questionnaire-based study in Mumbai, Maharashtra, India. J Postgrad Med 2023; 69:89-96. [PMID: 36930546 DOI: 10.4103/jpgm.jpgm_956_22] [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: 03/18/2023] Open
Abstract
Background and Objectives Students with borderline intellectual functioning ("slow learners") underperform in all school subjects. The primary objective of this study was to evaluate the self-perceived anxiety symptoms of slow learners. Its secondary objective was to analyze impact of sociodemographic variables on their symptoms. Settings and Design Cross-sectional single-arm questionnaire-based study was conducted in the learning disability clinic of a public medical college in Mumbai. Subjects and Methods One hundred slow learners aged ≥8 to <18 years were recruited by non-probability sampling. Their anxiety symptoms scores were measured using the Screen for Child Anxiety Related Disorders-Child version (SCARED-C) instrument. Statistical Analysis Multivariate regression analysis was performed for determining the "independent" impact that variables had on the SCARED-C ("individual subscales" and "overall") scores. Results Symptoms of "separation anxiety" were present in 40%, followed by "social anxiety" in 32%, "generalized anxiety" in 31%, "panic" in 26%, "significant school avoidance" in 24%; and "overall anxiety" in 38% of slow learners. Multivariate analysis revealed that: (i) co-occurring attention-deficit/hyperactivity disorder was significantly associated with having panic symptoms (P = 0.040), and, (ii) studying in a Secondary School Certificate or Higher Secondary Certificate educational board-affiliated school was significantly associated with having symptoms of "generalized anxiety," "social anxiety," and "overall anxiety" (P = 0.009, P = 0.026, and P = 0.046, respectively). Conclusions Many slow learners in our city have symptoms of anxiety disorders and overall anxiety. There is an urgent need to screen them for anxiety disorders to facilitate their optimum rehabilitation.
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Affiliation(s)
- S Karande
- Learning Disability Clinic, Department of Pediatrics, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
| | - N J Gogtay
- Department of Clinical Pharmacology, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
| | - N Shaikh
- Learning Disability Clinic, Department of Pediatrics, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
| | - R Sholapurwala
- Learning Disability Clinic, Department of Pediatrics, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
| | - T More
- Learning Disability Clinic, Department of Pediatrics, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
| | - P Meshram
- Learning Disability Clinic, Department of Pediatrics, Seth G.S. Medical College and K.E.M. Hospital, Mumbai, Maharashtra, India
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Arcinas L, Seifer CM, Shaikh N. Prevalence of unreported atrial fibrillation in electrocardiograms with ventricular-paced rhythm: a multicenter experience. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.391] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Introduction
Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia and a major preventable cause of stroke. The diagnosis of AF on electrocardiogram is through the recognition of absent p waves and an irregularly irregular ventricular rhythm. However, in ventricular-paced patients, the rhythm on electrocardiogram (ECG) is often regular and may obscure AF diagnosis. Thus, unrecognized AF on ECG poses a potential risk among untreated ventricular-paced patients. There is scant published data reporting the prevalence of underrecognized and untreated ECG-detected AF among ventricular-paced patients.
Objectives
In the first part of this study, we aim (1) to determine the prevalence of AF and unreported AF on ECGs with ventricular-paced rhythm obtained across all 6 hospitals in our city, Canada. Using data obtained from (1), we then aim (2) to report the rates of untreated and unreported ECG-detected AF among ventricular-paced patients with an indication for anticoagulation, (3) to describe the length of delay in AF recognition and treatment among patients who should be considered for anticoagulation at the time of ECG-detected AF and (4) to identify possible strategies that can improve reporting of AF on ECGs with ventricular-paced rhythm using our institutional ECG software.
Methods
This is a retrospective multicenter review of ventricular-paced ECGs interpreted and reported by physicians using our institutional ECG software. ECGs were reviewed and confirmed by two independent cardiologists who were blinded from the reported interpretation of the ECGs.
Results
Of the sample of 1500 ECGs with ventricular-paced rhythm from 2017–2019, 2 independent cardiologists agreed that AF was present in 622 ECGs (41.5%). Of these, 251 (40.4%) were not reported to have AF by the interpreting physician.
Conclusions
Our study shows that there is a high prevalence of unreported AF on ECG in patients with ventricular-paced rhythm in our local hospitals. Further studies are warranted on describing whether this impacts treatment and outcomes among ventricular-paced patients. This study also highlights the importance of identifying possible strategies to improve reporting of AF on ECGs with ventricular-paced rhythm.
Funding Acknowledgement
Type of funding sources: None.
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Affiliation(s)
- L Arcinas
- University of Manitoba , Winnipeg , Canada
| | - C M Seifer
- University of Manitoba , Winnipeg , Canada
| | - N Shaikh
- University of Manitoba , Winnipeg , Canada
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5
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Deol AK, Shaikh N, Middelkoop K, Mohlamonyane M, White RG, McCreesh N. Importance of ventilation and occupancy to Mycobacterium tuberculosis transmission rates in congregate settings. BMC Public Health 2022; 22:1772. [PMID: 36123653 PMCID: PMC9483862 DOI: 10.1186/s12889-022-14133-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [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: 09/17/2021] [Accepted: 09/06/2022] [Indexed: 12/02/2022] Open
Abstract
BACKGROUND Ventilation rates are a key determinant of the transmission rate of Mycobacterium tuberculosis and other airborne infections. Targeting infection prevention and control (IPC) interventions at locations where ventilation rates are low and occupancy high could be a highly effective intervention strategy. Despite this, few data are available on ventilation rates and occupancy in congregate locations in high tuberculosis burden settings. METHODS We collected carbon dioxide concentration and occupancy data in congregate locations and public transport on 88 occasions, in Cape Town, South Africa. For each location, we estimated ventilation rates and the relative rate of infection, accounting for ventilation rates and occupancy. RESULTS We show that the estimated potential transmission rate in congregate settings and public transport varies greatly between different settings. Overall, in the community we studied, estimated infection risk was higher in minibus taxis and trains than in salons, bars, and shops. Despite good levels of ventilation, infection risk could be high in the clinic due to high occupancy levels. CONCLUSION Public transport in particular may be promising targets for infection prevention and control interventions in this setting, both to reduce Mtb transmission, but also to reduce the transmission of other airborne pathogens such as measles and SARS-CoV-2.
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Affiliation(s)
- A. K. Deol
- grid.8991.90000 0004 0425 469XDepartment of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - N. Shaikh
- grid.8991.90000 0004 0425 469XDepartment of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - K. Middelkoop
- grid.7836.a0000 0004 1937 1151The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - M. Mohlamonyane
- grid.7836.a0000 0004 1937 1151The Desmond Tutu HIV Centre, Institute of Infectious Disease and Molecular Medicine and Department of Medicine, University of Cape Town, Cape Town, South Africa
| | - R. G. White
- grid.8991.90000 0004 0425 469XDepartment of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
| | - N. McCreesh
- grid.8991.90000 0004 0425 469XDepartment of Infectious Disease Epidemiology, London School of Hygiene and Tropical Medicine, London, UK
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6
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Port AD, Gong D, Shaikh N, Loporchio D, Blaha GR, Eliott D, Miller JB, Ness S. Socioeconomic and Demographic Factors Contributing to COVID-19–Related Delays and Reductions in Primary Retinal Detachment Repair in a US Hot Spot. Journal of VitreoRetinal Diseases 2022; 6:302-307. [PMID: 37007929 PMCID: PMC9976025 DOI: 10.1177/24741264211039960] [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] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Purpose: This work evaluates demographic and socioeconomic predictors of delayed care for rhegmatogenous retinal detachments (RRDs) during the spring 2020 COVID-19 shutdown in a US hot spot. Methods: This multicenter, retrospective, case-control study took place in 3 academic vitreoretinal practices in metropolitan Boston. Consecutive patients treated for RRD during the COVID-19 state of emergency were compared with patients treated during the same period in 2018 and 2019. The primary outcome was macula status for RRD. Secondary outcomes included visual acuity, symptom duration, proportion with proliferative vitreoretinopathy, time to procedure, method of repair, and patient demographics. Results: The total number of acute RRD decreased by 13.7% from 2018 to 2020 and 17.2% from 2019 to 2020. Symptom duration was significantly longer in 2020 than 2018 and 2019 (median, 7 vs 4 days) with a higher proportion of macula-off detachments (80 of 125 [64%] in 2020 vs 75 of 145 [51.7%] in 2018 and 78 of 151 [51.6%] in 2019). The 2020 cohort included significantly fewer patients in the racial and/or ethnic minority group than in 2019 ( P = .02), and use of low-income, government-sponsored health insurance was a predictor of macula-off status during the pandemic ( P = .04). Conclusions: RRDs during the spring 2020 COVID-19 lockdown were more likely to be macula-off at presentation. Because sociodemographic factors including race, ethnicity, and income level were associated with deferral of care, ophthalmologists should consider measures targeting vulnerable populations to avoid preventable vision loss as the pandemic continues or in future health care emergencies.
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Affiliation(s)
- Alexander D. Port
- NJ Retina, New Brunswick, NJ, USA
- Retina Service, Department of Ophthalmology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA
| | - Dan Gong
- Retina Service, Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - Noreen Shaikh
- Retina Service, Beth Israel Lahey Health, Lahey Medical Center, Peabody, MA, USA
| | - Dean Loporchio
- Retina Service, Department of Ophthalmology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA
| | - Gregory R. Blaha
- Retina Service, Beth Israel Lahey Health, Lahey Medical Center, Peabody, MA, USA
| | - Dean Eliott
- Retina Service, Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - John B. Miller
- Retina Service, Department of Ophthalmology, Massachusetts Eye and Ear, Harvard Medical School, Boston, MA, USA
| | - Steven Ness
- Retina Service, Department of Ophthalmology, Boston Medical Center, Boston University School of Medicine, Boston, MA, USA
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7
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Lambert LH, Shaikh N, Marx JL, Ramsey DJ. End-stage crystalline maculopathy with retinal atrophy in Sjögren-Larsson syndrome: a case report and review of the literature. Ther Adv Rare Dis 2022; 3:26330040221122496. [PMID: 37180414 PMCID: PMC10032463 DOI: 10.1177/26330040221122496] [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] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 08/03/2022] [Indexed: 05/16/2023]
Abstract
Sjögren-Larsson syndrome (SLS) is a rare, autosomal recessive neurocutaneous disorder. It is caused by the inheritance of sequence variants in the ALDH3A2 gene, which codes for fatty aldehyde dehydrogenase (FALDH). Universal signs of the condition are congenital ichthyosis, spastic paresis of the lower and upper limbs, and reduced intellectual ability. In addition to this clinical triad, patients with SLS experience dry eyes and decreased visual acuity caused by a progressive retinal degeneration. Examination of the retina in patients with SLS often reveals glistening yellow crystal-like deposits surrounding the fovea. This crystalline retinopathy often develops in childhood and is considered pathognomonic for the disease. The metabolic disorder typically shortens lifespan to half that of the unaffected population. However, now that patients with SLS live longer, it becomes increasingly important to understand the natural course of the disease. Our case describes a 58-year-old woman with advanced SLS whose ophthalmic examination illustrates the end-stage of the retinal degeneration. Optical coherence tomography (OCT) and fluorescein angiography confirm the disease is restricted to the neural retina with dramatic thinning of the macula. This case is unique since it is among the most advanced both in terms of chronological age and severity of retinal disease. While the accumulation of fatty aldehydes, alcohols, and other precursor molecules is the probable cause of retinal toxicity, a more complete understanding of the course of retinal degeneration may aid in the development of future treatments. The aim of our presentation of this case is to increase awareness of the disease and to foster interest in therapeutic research which may benefit patients with this rare condition.
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Affiliation(s)
- Lester H. Lambert
- Department of Ophthalmology, Tufts University
School of Medicine, Boston, MA, USA
- Department of Surgery, Division of
Ophthalmology, Lahey Hospital & Medical Center, Burlington, MA,
USA
| | - Noreen Shaikh
- Department of Ophthalmology, Tufts University
School of Medicine, Boston, MA, USA
- Department of Ophthalmology, Beth Israel
Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Jeffrey L. Marx
- Department of Ophthalmology, Tufts University
School of Medicine, Boston, MA, USA
- Department of Surgery, Division of
Ophthalmology, Lahey Hospital & Medical Center, Burlington, MA,
USA
| | - David J. Ramsey
- Department of Ophthalmology, Tufts University
School of Medicine, Boston, MA, USA
- Department of Surgery, Division of
Ophthalmology, Lahey Hospital & Medical Center, 41 Mall Road,
Burlington, MA, 01803, USA
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8
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Elnahry AG, Asal ZB, Shaikh N, Dennett K, Abd Elmohsen MN, Elnahry GA, Shehab A, Vytopil M, Ghaffari L, Athappilly GK, Ramsey DJ. Optic neuropathy after COVID-19 vaccination: a report of two cases. Int J Neurosci 2021:1-7. [PMID: 34906029 DOI: 10.1080/00207454.2021.2015348] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [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: 10/19/2022]
Abstract
PURPOSE We report two cases of optic nerve pathology after the administration of the Pfizer-BioNTech and AstraZeneca-Oxford COVID-19 vaccines, respectively, and describe the implications for management of post-vaccination central nervous system (CNS) inflammation. CASE REPORTS A 69-year-old woman presented with bilateral optic nerve head oedema, 16 days after the second dose of the Pfizer-BioNTech vaccine. She was diagnosed with post-vaccination CNS inflammatory syndrome and was treated for five days with intravenous methylprednisolone at a dose of 1 gram per day. Her optic disc swelling improved, and her vision stabilised. A 32-year-old woman presented six days after her first dose of the AstraZeneca-Oxford vaccine with two days of sudden onset of progressive blurring of vision in her left eye. Posterior segment examination revealed left optic disc swelling, and an MRI of the brain, orbit, and cervical spine was significant for left optic nerve enhancement. The patient was diagnosed with a unilateral post-vaccination optic neuritis. She was treated with a three-day course of intravenous methylprednisolone followed by oral prednisone. Her optic disc swelling and visual field improved, and she recovered 6/6 vision. CONCLUSIONS Clinicians and patients should be aware of the potential for post-vaccination CNS inflammatory syndromes associated with COVID-19 vaccine administration. Neuroimaging and cerebrospinal fluid analysis may aid in the diagnosis of the cause of vision loss. Further studies are needed to evaluate the spectrum and frequency of optic nerve involvement associated with COVID-19 vaccination.
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Affiliation(s)
- Ayman G Elnahry
- Department of Ophthalmology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Zainab B Asal
- Department of Clinical Nutrition, Children Cancer Hospital, Cairo, Egypt
| | - Noreen Shaikh
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, MA, USA.,Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, USA
| | - Kate Dennett
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, MA, USA.,Department of Ophthalmology, Tufts University School of Medicine, Boston, MA, USA
| | - Mai N Abd Elmohsen
- Department of Ophthalmology, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Gehad A Elnahry
- Department of Ophthalmology, Faculty of Medicine, Cairo University, Cairo, Egypt.,Department of Ophthalmology, Armed Forces College of Medicine, Cairo, Egypt
| | - Azza Shehab
- Department of Ophthalmology, Faculty of Medicine, Minya University, Minya, Egypt
| | - Michal Vytopil
- Department of Neurology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Burlington, MA, USA.,Department of Neurology, Tufts University School of Medicine, Boston, MA, USA
| | - Leila Ghaffari
- Department of Neurology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Burlington, MA, USA.,Department of Neurology, Tufts University School of Medicine, Boston, MA, USA
| | - Geetha K Athappilly
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, MA, USA.,Department of Ophthalmology, Tufts University School of Medicine, Boston, MA, USA
| | - David J Ramsey
- Department of Ophthalmology, Lahey Hospital & Medical Center, Beth Israel Lahey Health, Peabody, MA, USA.,Department of Ophthalmology, Tufts University School of Medicine, Boston, MA, USA
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9
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Bhalerao N, Shaikh N, Iyer S, Mani J. The reliability of the Bonini classification for frontal lobe seizures: An observational study. J Neurol Sci 2019. [DOI: 10.1016/j.jns.2019.10.1094] [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]
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10
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Spain L, Gallegos L, Tippu Z, Hill S, Litchfield K, Au L, Gilchrist A, Primus V, Barhoumi A, Stanislaw S, Agrawal S, Shaikh N, Patel N, Mendoza MF, Noel-Storr G, Larkin J, Alexander N, Turajlic S. Homogenisation of leftover surgical tissue across multiple cancer types: A feasibility study (HoLST-F). Ann Oncol 2019. [DOI: 10.1093/annonc/mdz268.107] [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: 11/15/2022] Open
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Shaikh N, Gupte A, Dharmshale S, Pokkali S, Thakar M, Upadhye VJ, Ordonez AA, Kinikar A, Gupte N, Mave V, Kagal A, Gupta A, Lalvani A, Paranjpe R, Bharadwaj R, Jain SK. Novel interferon-gamma assays for diagnosing tuberculosis in young children in India. Int J Tuberc Lung Dis 2018; 21:412-419. [PMID: 28284256 DOI: 10.5588/ijtld.16.0428] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
SETTING The tuberculin skin test (TST) and interferon-gamma release assays (IGRAs) are used as supportive evidence to diagnose active tuberculosis (TB). Novel IGRAs could improve diagnosis, but data are lacking in young children. DESIGN Children (age 5 years) with suspected TB were prospectively screened at a tertiary hospital in Pune, India; the children underwent TST, and standard (early secretory antigenic target 6 and culture filtrate protein 10) and enhanced (five additional novel antigens) enzyme-linked immunospot (ELISpot) assays. RESULTS Of 313 children (median age 30 months) enrolled, 92% had received bacille Calmette-Guérin vaccination, 53% were malnourished and 9% were coinfected with the human immunodeficiency virus (HIV); 48 (15%) had TB, 128 (41%) did not, and TB could not be ruled out in 137 (44%). The sensitivity of enhanced (45%) and standard (42%) ELISpot assays for diagnosing TB was better than that of TST (20%) (P 0.03); however, enhanced ELISpot was not more sensitive than the standard ELISpot assay (P = 0.50). The specificity of enhanced ELISpot, standard ELISpot and TST was respectively 82% (95%CI 74-89), 88% (95%CI 81-94) and 98% (95%CI 93-100). Rv3879c and Rv3615c, previously reported to be promising antigens, failed to improve the diagnostic performance of the ELISpot assay. CONCLUSION The TST and the standard and novel ELISpot assays performed poorly in diagnosing active TB among young children in India.
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Affiliation(s)
- N Shaikh
- National AIDS Research Institute, Pune, India
| | - A Gupte
- Johns Hopkins Bloomberg School of Public Health, Baltimore, Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - S Dharmshale
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - S Pokkali
- Department of Pediatrics, Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - M Thakar
- National AIDS Research Institute, Pune, India
| | | | - A A Ordonez
- Department of Pediatrics, Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | - A Kinikar
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - N Gupte
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA, Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - V Mave
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA, Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - A Kagal
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - A Gupta
- Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
| | | | - R Paranjpe
- National AIDS Research Institute, Pune, India
| | - R Bharadwaj
- Byramjee Jeejeebhoy Government Medical College, Pune, India
| | - S K Jain
- Department of Pediatrics, Center for Tuberculosis Research, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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12
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Abstract
We describe a method of cup and cone arthrodesis using Coughlin concave and convex reamers, which we have used in a series of 22 hand joints in 19 patients. These reamers, originally designed for use in the foot, can be used in the hand to give very accurate preparation of bone surfaces. This results in maximum bone contact and the ability to fuse the joint in any desired position. The procedure is simple, rapid and forgiving. Union was achieved in all 22 cases, usually within 3 months.
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Affiliation(s)
- H A Ahmed
- Department of Orthopaedic Surgery, Whipps Cross University Hospital, Leytonstone, London, UK.
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13
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Hendrickson BP, Shaikh N, Occhiogrosso M, Penzner JB. Mania Induced by Garcinia cambogia: A Case Series. Prim Care Companion CNS Disord 2016. [PMID: 27486540 DOI: 10.4088/pcc.15l01890.] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2022] Open
Affiliation(s)
- Brian P Hendrickson
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Noreen Shaikh
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Mallay Occhiogrosso
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Julie B Penzner
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
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14
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Hendrickson BP, Shaikh N, Occhiogrosso M, Penzner JB. Mania Induced by Garcinia cambogia: A Case Series. Prim Care Companion CNS Disord 2016; 18:15l01890. [PMID: 27486540 DOI: 10.4088/pcc.15l01890] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022] Open
Affiliation(s)
- Brian P Hendrickson
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Noreen Shaikh
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Mallay Occhiogrosso
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
| | - Julie B Penzner
- Department of Psychiatry, NewYork-Presbyterian Hospital/Weill Cornell Medical Center New York, New York
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15
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Shaikh N, Hussain KA, Petraitiene R, Schuetz AN, Walsh TJ. Entomophthoramycosis: a neglected tropical mycosis. Clin Microbiol Infect 2016; 22:688-94. [PMID: 27109491 DOI: 10.1016/j.cmi.2016.04.005] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [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: 12/21/2015] [Revised: 04/04/2016] [Accepted: 04/06/2016] [Indexed: 10/21/2022]
Abstract
The term 'entomophthoramycosis' classically refers to infections caused by members of the order Entomophthorales. A new subphylum, Entomophthoramycota, has been created to include Basidiobolomycetes, Neozygitomycetes and Entomophthoramycetes. Basidiobolomycetes encompass Basidiobolus spp., while the Entomophthoramycetes include Conidiobolus spp. Conidiobolus spp. characteristically cause rhinofacial entomophthoramycosis in apparently immunocompetent hosts. Conidiobolus spp. may also cause disseminated infection in immunocompromised patients. Basidiobolus spp. more typically cause subcutaneous entomophthoramycosis of the limbs, buttocks, back and thorax in immunocompetent patients. While once considered to be rare, there is an increasing number of reported cases of gastrointestinal infection caused by Basidiobolus spp. worldwide in countries such as United States, Thailand, Australia, Iran, Egypt and Saudi Arabia. These cases have clinical presentations similar to those of inflammatory bowel diseases, particularly Crohn's disease. Retroperitoneal, pulmonary, nasal and disseminated basidiobolomycosis have also been reported. Histology of entomophthoramycosis may reveal the Splendore-Hoeppli phenomenon. Culture of infected tissue remains the definitive method of laboratory diagnosis. However, molecular methods with specific DNA probes and panfungal primers, as well as real time PCR, are increasingly used to detect and identify these organisms in tissue. Treatment largely consists of therapy with antifungal triazoles. Surgery plays a selective role in the management of entomophthoramycosis, depending upon location, organism and extent of the infection.
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Affiliation(s)
- N Shaikh
- Transplantation-Oncology Infectious Diseases Program, Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine of Cornell University, New York, NY, USA
| | - K A Hussain
- Transplantation-Oncology Infectious Diseases Program, Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine of Cornell University, New York, NY, USA
| | - R Petraitiene
- Transplantation-Oncology Infectious Diseases Program, Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine of Cornell University, New York, NY, USA
| | - A N Schuetz
- Division of Clinical Microbiology, Department of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, MN, USA
| | - T J Walsh
- Transplantation-Oncology Infectious Diseases Program, Division of Infectious Diseases, Department of Medicine, Weill Cornell Medicine of Cornell University, New York, NY, USA; Departments of Pediatrics and Microbiology and Immunology, Weill Cornell Medicine of Cornell University, New York, NY, USA.
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16
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Shaikh N, Drego L, Shetty A, Rodrigues C. Comparative evaluation of Xpert(r) Carba-R assay with conventional methods for detection of carbapenemase producing enterobacteriaceae. Int J Infect Dis 2016. [DOI: 10.1016/j.ijid.2016.02.375] [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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17
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Shaikh N, Raut CG, Manjunatha M. Co-infections with chikungunya and dengue viruses: A serological study in Karnataka State, India. Indian J Med Microbiol 2016; 33:459-60. [PMID: 26068364 DOI: 10.4103/0255-0857.158607] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Affiliation(s)
- N Shaikh
- National Institute of Virology, Bangalore Unit [ICMR], Rajiv Gandhi Institute of Chest Diseases Premises, Bangalore, Karnataka, India
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18
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Abstract
A 70 year old diabetic male presented with fever, urgency of micturition, oliguria, swelling over both legs. His midstream urine sample was sent for microbiological examination and it revealed Shewanella algae. Patient was treated with antibiotics and he recovered completely after treatment.DOI: http://dx.doi.org/10.3126/ajms.v6i4.11503 Asian Journal of Medical Sciences Vol.6(4) 2015 92-95
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19
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Avery L, Ludwig S, Shaikh N, Minhas K, Rand CE, Throndson K, Kuttnig C, Vo M, Warner T, Friesen M, Tam J. Integrating Canadian Diabetes Standards into the Care of Patients with Acute Myocardial Infarction. Can J Cardiol 2013. [DOI: 10.1016/j.cjca.2013.07.777] [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: 10/26/2022] Open
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20
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Gudla VR, Nandwani G, Shaikh N, Ragavan N, Addla S. To assess the differences in oncological outcomes of patients with pt0 stage after radical cystectomy (RC) for urothelial carcinoma of urinary bladder with and without neoadjuvant chemotherapy therapy (NAT). Int J Surg 2013. [DOI: 10.1016/j.ijsu.2013.06.776] [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]
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21
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Abstract
Limited forefoot amputation in diabetic patients with osteomyelitis is frequently required. We retrospectively reviewed diabetic patients with osteomyelitis, an unhealed ulcer and blood pressure in the toe of > 45 mmHg who underwent limited amputation of the foot with primary wound closure. Between 2006 and 2012, 74 consecutive patients with a mean age of 67 years (29 to 93), and a median follow-up of 31 months, were included. All the wounds healed primarily at a median of 37 days (13 to 210; mean 48). At a median of 6 months (1.5 to 18; mean 353 days), 23 patients (31%) suffered a further ulceration. Of these, 12 patients (16% of the total) required a further amputation. We conclude that primary wound closure following limited amputation of the foot in patients with diabetes is a safe and effective technique when associated with appropriate antibiotic treatment. Cite this article: Bone Joint J 2013;95-B:1083–7.
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Affiliation(s)
- N. Shaikh
- Addenbrooke’s Hospital, Orthopaedic
Department, Cambridge University Hospitals NHS
Foundation Trust, Cambridge, UK
| | - P. Vaughan
- Addenbrooke’s Hospital, Orthopaedic
Department, Cambridge University Hospitals NHS
Foundation Trust, Cambridge, UK
| | - K. Varty
- Addenbrooke’s Hospital, Vascular
Unit, Cambridge University Hospitals NHS Foundation
Trust, Cambridge, UK
| | - A. P. Coll
- Addenbrooke’s Hospital, Wolfson
Diabetes and Endocrine Clinic, Cambridge University
Hospitals NHS Foundation Trust, Cambridge, UK
| | - A. H. N. Robinson
- Addenbrooke’s Hospital, Orthopaedic
Department, Cambridge University Hospitals NHS
Foundation Trust, Cambridge, UK
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22
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Nayeemuddin M, Hyder MF, Ummunissa F, Shaikh N. Multisystem paradoxical air embolism. Anaesth Intensive Care 2013; 41:130-131. [PMID: 23362912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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23
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Shaikh N, Malmstrom M. Protective hypothermia: An old therapy with a new prospective. Qatar Med J 2012; 2012:81-4. [PMID: 25003047 PMCID: PMC3991035 DOI: 10.5339/qmj.2012.2.19] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2012] [Accepted: 12/01/2012] [Indexed: 11/09/2022] Open
Abstract
Therapeutic hypothermia (protective hypothermia) has been known to have beneficial effects since ancient times but interest was renewed after two land mark publication a decade ago. The survival as well as quality of life of post cardiac arrest patients depends on neurological outcome. Mild induced hypothermia is recommended for improving the neurological status of these patients. All acute care physician, nurses and emergency medical services personals should be aware of this approach. We report a case of post cardiac arrest that displayed improved neurological status with mild therapeutic hypothermia. Case: A young, female patient experienced perioperative cardiac arrest. Immediate resuscitation lead to return of spontaneous circulation in six minutes. Her post resuscitation Glasgow Coma score (GCS) was five. We induced therapeutic hypothermia—the patient required sedation and a chemical muscle relaxant. After 24 h we began slow rewarming. On day four, her GCS improved to 14, and she was extubated on day 6. She had mild cognitive disorder but was functionally independent. She was transferred to the ward on day 11 and subsequently discharged home. Conclusion: Mild induced therapeutic hypothermia improves neurological status of post cardiac arrest patients; however, it had adverse effect of increased risk for infection, arrhythmia and electrolyte disorders.
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Affiliation(s)
- N. Shaikh
- Hamad Medical Corporation, Doha, Qatar
- Address for Correspondence: N Shaikh E-mail:
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24
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Shaikh N, Rahman MA, Nayeemuddin M, Maudali IN, Matthias R, Al Thani H. Heparin-induced Thrombocytopenia: A known rare complication of heparin therapy. Qatar Med J 2012. [DOI: 10.5339/qmj.2012.1.21] [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: 11/03/2022] Open
Abstract
Heparin-induced thrombocytopenia (HIT) is a rare clinico-pathological abnormality. It is characterized by the development of thrombocytopenia, resulting from heparin administration, which leads to a decrease in platelet count by 50%, or to less than 1 0 0 x 1 0 3 M within 5 to 14 days. HIT causes increased morbidity and mortality, thus it is of vital importance that acute care physicians, surgeons and intensivist should be aware of this clinical entity. We report a case of heparin-induced thrombocytopenia and review of its management, including alternatives to heparin therapy.
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Affiliation(s)
- N. Shaikh
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - M. A. Rahman
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - M. Nayeemuddin
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - I. N. Maudali
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - R. Matthias
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - H. Al Thani
- Department of Anesrthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
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25
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Shaikh N, Al Khowtair J, Al Sulaiti G, Nasser A, Ummunnisa F, Ahmed Z, Hassens Y. Cefazolin and Coagulation Disorder: A case report and review of literature. Qatar Med J 2012. [DOI: 10.5339/qmj.2012.1.18] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
Abstract
A 63-year old Yemeni male, known case of endstage renal disease (ESRD), hypertension and diabetes mellitus, underwent craniotomy and endoscopic removal of an intraventricular mass. Peri-operatively he was started on cefazolin, a normal diet and regular hemodialysis without heparin. The international normalising ratio (INR) increased rapidly, reaching 4.2 on day five but responded equally rapidly to parenteral Vitamin K and withdrawal of cefazolin. Cefazolin is an antibiotic commonly used in clinical practice because of its long half-life, narrow spectrum and its ability for dose adjustment in renal failure patients. We review the literature, discuss the risk factors of its use and suggest possible mechanisms causing the prolonged coagulation.
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Affiliation(s)
| | | | | | | | | | - Z Ahmed
- 5Ciinical Pharmacy, Hamad Medical Corporation, Doha, Qatar
| | - Y Hassens
- 5Ciinical Pharmacy, Hamad Medical Corporation, Doha, Qatar
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26
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Shaikh N, Ummunissa F, Shafak Mustafa G. HELLP Needs Aggressive Help. Qatar Med J 2011. [DOI: 10.5339/qmj.2011.2.19] [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: 11/03/2022] Open
Abstract
HELLP (Hemolysis Elevated Liver Enzymes and Low Platelets) syndrome is a multi-system pregnancy associated disorder, commonly seen in patients with pre-eclampsia but can occur alone. It is significantly associated with maternal-fetal morbidity and mortality.
A triad of hemolysis elevated liver enzymes and thrombocytopenia after 24 weeks of gestation is diagnostic of this syndrome. HELLP syndrome is classified depending on simple parameters but it dictates severity of the disease. Frequently encountered complications with HELLP syndrome are hemorrhagic stroke, disseminated intravascular coagulation, pulmonary edema, acute renal failure and hepatic rapture. The aggressive supportive care of failing organs with high dose of steroids will decrease the duration of HELLP syndrome, decreases intensive care and hospital stay of these patients as well as reduction in fetal complications. HELLP syndrome is associated with significant increase in morbidity and mortality of pregnant patients; hence it is of vital importance that not only obstetrician, but acute care physicians and intensivist should be aware of this clinical entity. We report a case of Classl, normotensive postpartum HELLP syndrome complicated by pulmonary edema and acute renal failure, successfully managed in our intensive care unit.
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Affiliation(s)
- N. Shaikh
- Department of Anesthesia and Intensive Care Unit (ICU), Hamad Medical Corporation, Doha, Qatar
| | - F. Ummunissa
- Department of Anesthesia and Intensive Care Unit (ICU), Hamad Medical Corporation, Doha, Qatar
| | - G. Shafak Mustafa
- Department of Anesthesia and Intensive Care Unit (ICU), Hamad Medical Corporation, Doha, Qatar
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27
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Zytaruk N, Heels-Ansdell D, Vallance S, Marshall J, Skrobik Y, Cooper DJ, Finfer S, Seppelt I, Ostermann M, Qushmaq I, Alsultan M, Arabi Y, Alhashemi J, Al-Hazmi M, Alzem A, Shaikh N, Mandourah Y, Cook DJ. Antiembolic stockings and pneumatic compression devices in a medical-surgical thromboprophylaxis trial. Crit Care 2011. [PMCID: PMC3061651 DOI: 10.1186/cc9441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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28
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Shaikh N, Patil P, Mudali I, Gafoor M, Ummunnisa F. Blind Nasogastric Tube Insertion: Be careful. Qatar Med J 2010. [DOI: 10.5339/qmj.2010.2.23] [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: 11/03/2022] Open
Abstract
Nasogastric tubes are used in all specialties of medical practice. In critically ill patients, these feeding tubes provide enteral nutrition, which maintains enteric mucosal integrity as well as the immune system of the body, less risk of sepsis and decrease in length of intensive care stay. The insertion of nasogastric tube (NGT) is being considered as a simple blind bedside procedure but this procedure is not free of complications and can be fatal as these tubes can be malpositioned into the respiratory tract or central nervous system. Critically ill patients with endotracheal and tracheostomy tube are at particular risk for malpositioning of the nasogastric tubes due to loss of protective reflexes. Here we report three cases, two intubated and one patient with tracheostomy, in whom the enteral feeding tube was malpositioned into the respiratory system, detected early and a new one inserted in correct position, confirmed by x-ray. The aim of this report is to increase awareness about malpositioning of gastric feeding tubes, proper confirmation of their positioning, risk factors for malpositioning and its prevention.
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Affiliation(s)
- N. Shaikh
- Department of Anethesia, ICU, and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - P. Patil
- Department of Anethesia, ICU, and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - I.N. Mudali
- Department of Anethesia, ICU, and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - M.T. Gafoor
- Department of Anethesia, ICU, and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - F. Ummunnisa
- Department of Anethesia, ICU, and Pain Management, Hamad Medical Corporation, Doha, Qatar
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29
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Khawaga S, Ei Sayed N, Shaikh N, Mustafa G, Kettern M, Hafiz A. Critical Care of Gynecological and Obstetric Patients: A decade of surgical intensive care experience. Qatar Med J 2010. [DOI: 10.5339/qmj.2010.2.10] [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: 11/03/2022] Open
Abstract
Despite the emergence of therapeutic advances, the morbidity and mortality still occur in the obstetric patients, although intensive care utilization by obstetric and gynecological patient, are still rare compared to the general population. Majority of obstetric patients needed the intensive care therapy compared to gynecological patients. The aim of our study was to know the indications for the intensive care admission by obstetric and gynecological patients, length of stay and outcome of these patients.
Methods: We retrospectively reviewed the medical records of all obstetric and gynecological patients admitted to our Surgical and Trauma Intensive Care Units (SICU and TICU) from February 1995 to March 2005. Indication for admission, nationality, age, and length of stay in ICU, severity of disease and outcome of these patients were recorded. Data analyzed with SPSS program.
Results: A total of 182 patients were admitted to the SICU of the Hamad Medical Corporation in Doha, Qatar, from the Women's Hospital. 159 (87%) patients were obstetric patients and 23 (13%) patients gynecological patients, 126 (69.6%) patients were admitted post Lower Segment Caesarean Section (LSCS). The most common indication for admission was 73 (39.3%) patients obstetric hemorrhage and Disseminated Intravascular Coagulation (DIC), and then 44 (25.3%) patients of hypertensive disorder of pregnancy. The major anesthesia related indication was scoline apnea, 21 (11.6%). Total three obstetric patients died, two due to severe sepsis and multi-organ failure and one due to cerebral sinus thrombosis, giving mortality rate of 1.66%.
Conclusion: Intensive care therapy required by gynecological and obstetric patient is less than the general population. The commonest indication for admission was obstetric hemorrhage, DIC, and hypertensive disorders of pregnancy. The mortality was due to septic shock with multi-organ failure, and cerebral venous sinus thrombosis.
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Affiliation(s)
- S. Khawaga
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
| | - N. Ei Sayed
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
| | - N. Shaikh
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
| | - G. Mustafa
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
| | - M.A. Kettern
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
| | - A. Hafiz
- Department of Obstetrics and Gynecology; Anesthesia and Pain Management Department Hamad Medical Corporation, Doha, Qatar
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Russo L, Shaikh N, Cipolla L, Nicotra F, Quarto R, Giannoni P. C-type natriuretic peptide for tissue engineering applications. J Biotechnol 2010. [DOI: 10.1016/j.jbiotec.2010.09.008] [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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31
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Russo L, Shaikh N, Cipolla L, Nicotra F, Riccardi C, Zanini S. Hydroxyapatite three-dimensional scaffold: Biofunctionalisation by plasma technology and biological evaluation. J Biotechnol 2010. [DOI: 10.1016/j.jbiotec.2010.09.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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32
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Shaikh N. Urine cultures for kids. CMAJ 2010. [DOI: 10.1503/cmaj.110-2101] [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: 11/01/2022] Open
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33
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Shaikh N, Al Ariff M, Ummunnisa F, Abdullah M. Post-operative Fat Embolism Syndrome: A case report and review of literature. Qatar Med J 2010. [DOI: 10.5339/qmj.2010.1.19] [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: 11/03/2022] Open
Abstract
Fat embolism occurs in all patients with long bone fractures and intra-medullary reaming of long bone but is usually asymptomatic. A few patients will have pulmonary, cerebral and dermal dysfunction; this triad is called fat embolism syndrome (FES). We report a case of FES developed after intramedullary nailing of both femurs that was successfully managed in our surgical intensive care unit (SICU).
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Affiliation(s)
- N. Shaikh
- Department of Anesthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - M. Al Ariff
- Department of Anesthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - F. Ummunnisa
- Department of Anesthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
| | - M. Abdullah
- Department of Anesthesia/ICU and Pain Management, Hamad Medical Corporation, Doha, Qatar
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Sohn A, Henderson P, Lewis G, Shaikh N, Olbricht W, Spector J. An Innovative Non-Invasive Modality for the Ablation of Varicose Veins and Other Vascular Malformations. J Surg Res 2010. [DOI: 10.1016/j.jss.2009.11.576] [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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35
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Patel S, Mistry RS, Dodd LE, Shaikh N, Palmer SH. Second toe proximal phalanx interposition bone graft to correct a failed Keller's arthroplasty. A new technique. Foot Ankle Surg 2009; 15:149-51. [PMID: 19635424 DOI: 10.1016/j.fas.2008.08.008] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/22/2007] [Revised: 08/13/2008] [Accepted: 08/27/2008] [Indexed: 02/04/2023]
Abstract
We present a case report of a novel salvage technique for a failed Keller's arthroplasty using nonvascularised phalanx transfer from the second toe to the hallux on the same foot. The technique restores length, function and relieves pain.
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Affiliation(s)
- S Patel
- Department of Orthopaedics and Trauma, Worthing Hospital, Worthing, West Sussex BN11 2DH, United Kingdom
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36
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Shaikh N, Abdel Rahman H, Hanssens Y, Najyemuddin M. Necrotizing fasciitis and its association with Diabetes Mellitus. Qatar Med J 2009. [DOI: 10.5339/qmj.2009.1.8] [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: 11/03/2022] Open
Abstract
To analyze the different presentation, types of infection, predisposing factors (particularly diabetes mellitus) of necrotizing fasciitis; a rare potentially fatal rapidly progressing necrotizing infection of subcutaneous tissue and superficialfascia with secondary necrosis of overlying skin, the medical records were reviewed retrospectively of 94 patients (71 male; 23 female) admitted to the surgical intensive care unit of Hamad General Hospital, Qatar, between January 1995 and February 2005. Fifty-three patients (56.4%) were diabetic with a mean age of 55 years compared with 40.2 years in non-diabetic patients. Type 1 necrotizing fasciitis, especially of the perineal and genital regions, was more common in diabetic patients whereas type 2 necrotizing fasciitis, especially of torso and upper limbs, was more common in non-diabetic patients. Overall 63.4% of cases were type 2 necrotizing fasciitis. E.coli was the most common bacterium isolated from necrotic tissue of diabetic patients and streptococci were the most common cause of necrotizing fasciitis in non-diabetic patients. Fifteen (16%) patients died but there was no significant difference in mortality between the groups, eight (15.1%) diabetic, seven (17.1%) non-diabetic, although diabetic patients were significantly older.
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Affiliation(s)
- N. Shaikh
- Anesthesia, ICU and Pain Management, Hamad Medical Corporation. Department of Surgery, Hamad Medical Corporation
| | - H. Abdel Rahman
- Anesthesia, ICU and Pain Management, Hamad Medical Corporation. Department of Surgery, Hamad Medical Corporation
| | - Y. Hanssens
- Anesthesia, ICU and Pain Management, Hamad Medical Corporation. Department of Surgery, Hamad Medical Corporation
| | - M. Najyemuddin
- Anesthesia, ICU and Pain Management, Hamad Medical Corporation. Department of Surgery, Hamad Medical Corporation
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Abstract
Peripartum cardiomyopathy (PPCM) is a rare condition affecting women in late pregnancy or up to five months of the postpartum period. The signs, symptoms and treatment of PPCM are similar to that of heart failure. Early diagnosis and proper management are the cornerstones for a better outcome for these patients. We report two cases of peripartum cardiomyopathy which were treated in the surgical intensive care unit (SICU) of Hamad General Hospital, Qatar.
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Affiliation(s)
| | - J. H. Faraj
- *Consultant Anesthesia/ICU
- **Senior Specialist Anesthesia/ICU
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Kim TY, Alturk N, Shaikh N, Kelen G, Salazar M, Grodman R. An electrocardiographic algorithm for the prediction of the culprit lesion site in acute anterior myocardial infarction. Clin Cardiol 2009; 22:77-83. [PMID: 10068843 PMCID: PMC6655669 DOI: 10.1002/clc.4960220205] [Citation(s) in RCA: 11] [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] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Although the 12-lead electrocardiogram (ECG) has been found useful in identifying the left anterior descending (LAD) coronary artery as the infarct-related artery in acute myocardial infarction (MI), it has traditionally been felt to be incapable of localizing the culprit lesion within the LAD itself. Such a capability would be important, because anterior MI due to proximal LAD lesions carry a much worse prognosis than those due to more distal or branch vessel lesions. HYPOTHESIS This study investigated whether certain ECG variables--especially an ST-segment injury pattern in leads aVL and/or V1--would correlate with culprit lesion site, and an ECG algorithm was developed to predict culprit lesion site. METHODS The initial ECGs of 55 patients who had undergone cardiac catheterization after an anterior or lateral MI were reviewed to identify the leads with an ST-segment injury pattern; the corresponding catheterization films were then reviewed to identify the location of the culprit lesion; and these separate findings were then compared. RESULTS The sensitivity and specificity of an ST-injury pattern in aVL in predicting a culprit lesion before the first diagonal branch were 91 and 90%, respectively; the same values in predicting a lesion prior to the first septal branch were 85 and 78%. ST-segment elevation in V1, on the other hand, was a much less sensitive and specific predictor of a preseptal lesion. Overall, our algorithm correctly identified the culprit lesion location in 82% of our patients. CONCLUSION Based on our findings, we conclude that a ST-segment injury pattern in aVL during an anterior myocardial infarction predominantly reflects a proximal LAD lesion and therefore constitutes a high-risk finding.
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Affiliation(s)
- T Y Kim
- Department of Medicine, St. Vincent's Medical Center of Richmond, Staten Island, New York 10310, USA
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Shaikh N, Hanssens Y, Kettern M. Critical illness gastrointestinal hypomobility disorder and success of enteral erythromycin. Crit Care 2009. [PMCID: PMC4084027 DOI: 10.1186/cc7305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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40
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Shaikh N, Hanssens Y, Kettern MA, Deleu D, Ruiz-Miyares F, Mesraoua B. [Cerebral fat embolism as a rare complication of liposuction with abdominoplasty]. Rev Neurol 2008; 47:277-278. [PMID: 18780278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
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41
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Shaikh N, Rasheed A, Al Faki A, Husham AR, Kattern MA, Al Shafie S, Ahmed AH. Regional Necrotizing Fasciitis and its Outcome. Qatar Med J 2008. [DOI: 10.5339/qmj.2008.1.11] [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: 11/03/2022] Open
Abstract
Necrotizing fasciitis, a devastating progressive destructive infection of subcutaneous tissue and fascia, is a surgical emergency with a high mortality and morbidity. To analyze the location of necrotizing fasciitis, mode of presentation, microbiological characteristics, comorbid conditions, morbidty and mortality, records were reviewed retrospectively of all ninety-five patients admitted with necrotizing fasciitis to the surgical intensive care unit of Hamad General Hospital between January 1995 and February 2005. Fifteen patients died (15.1%). All patients had leucocytosis and fever on admission with a mean SOFA score varying from 8 to 10.3 according to the type of necrotizing fasciitis involved (Type 1 or 2) and the regions affected. All received aggressive fluid replacement therapy and all underwent debridement at least twice. The most common comorbid condition was Diabetes mellitus. Type 1 necrotizing fasciitis was common in gluteal, cervical and perineal regions; Type 2 was common in chest, axilla, leg and foot regions. Necrotizing fasciitis of the chest, axilla and gluteal regions had the highest mortality while necrotizing fasciitis of the perineum and genitalia had the lowest mortality.
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Affiliation(s)
- N. Shaikh
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - A. Rasheed
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - A. Al Faki
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - A. R. Husham
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - M. A. Kattern
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - S. Al Shafie
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
| | - A. H. Ahmed
- Department Anesthesia / ICU and Pain Management Hamad Medical Corporation, Doha, Qatar
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Shaikh N, Nasser SH, Kettern MA. Critical Illness Polyneuropathy in an Obstetric Patient: A case report and review. Qatar Med J 2007. [DOI: 10.5339/qmj.2007.1.22] [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: 11/03/2022] Open
Abstract
Recently it has been found that many critically ill patients develop secondary neuromuscular disorders following admission to intensive care units (ICU). One of these is critical illness polyneuropathy (CIP), a widespread symmetrical disorder affecting the peripheral nervous system and often associated with sepsis and multi-organ dysfunction. Two percent of all intensive care patients and as many as 80% of septic patients develop critical illness polyneuropathy which leads to a considerably increased risk of in-hospital mortality. The exact etiology of the condition is not known but various risk factors, differential diagnosis, treatment, management and prognosis are discussed in this report of ci woman who, following caesarian section, developed CIP, septic shock, multi-organ failure and subsequently died.
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Affiliation(s)
- N. Shaikh
- Department of Anesthesia, Hamad Medical Corporation Doha, Qatar
| | - S. H. Nasser
- Department of Anesthesia, Hamad Medical Corporation Doha, Qatar
| | - M. A. Kettern
- Department of Anesthesia, Hamad Medical Corporation Doha, Qatar
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Shaikh N, Kettern MA, Louon A, Ahmed AHA. Acute Pancreatic Nine Years of Surgical ICU Experience. Qatar Med J 2006. [DOI: 10.5339/qmj.2006.1.9] [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: 11/03/2022] Open
Abstract
Acute pancreatitis has a variety of presentations from self-limiting abdominal pain to development of local and systemic complications resulting in sepsis, multi-organ dysfunction, extended intensive care stay and death. Very good quality of life in survivors justifies an optimal therapy in an intensive care setup. The records of 91 patients with acute pancreatitis were reviewed retrospectively. There was a significant difference (p < 0.001) between those with edematous pancreatitis and those with necrotic pancreati-tis as regards the length of ICU stay and severity scores: Ranson and SOFA (Sepsis-related Organ Failure Assess-ment). The most common cause of pancreatitis was biliary (70.3%) followed by hyperlipidemia (12.1%), post ERCP (5.5%), trauma (4.4%), idiopathic (6.6%) and in one case, ascariasis. Common associated diseases were hypertension (33%) and diabetes mellitus (25.3%). Six patients with necrotic pancreatitis died. It is concluded that acute pancreatitis treated in an in-tensive care unit has a favorable outcome and that a com-bination of Ranson and SOFA scores with CT index helps in establishing the prognosis.
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Affiliation(s)
- N. Shaikh
- Department of Anesthesia, ICU and Pain Management Hamad Medical Corporation Doha, Qatar
| | - M. A. Kettern
- Department of Anesthesia, ICU and Pain Management Hamad Medical Corporation Doha, Qatar
| | - A. Louon
- Department of Anesthesia, ICU and Pain Management Hamad Medical Corporation Doha, Qatar
| | - A. H. A. Ahmed
- Department of Anesthesia, ICU and Pain Management Hamad Medical Corporation Doha, Qatar
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Abstract
Breast cancer remains a significant cause of morbidity and mortality among women today. The transverse rectus abdominis myocutaneous (TRAM) flap has played a substantial role in the reconstruction of defects secondary to mastectomy. Although such reconstruction has not been shown to adversely affect survival or local recurrence, specific screening modalities for recurrence in this population of patients have not been delineated. Three patients were examined retrospectively at the authors' institution. They presented with local recurrences of breast cancer after mastectomy and TRAM flap reconstruction. All patients' recurrences were detected on physical examination, and all had the diagnosis of recurrent carcinoma made on biopsy of the mass. A review of the literature demonstrates that mammography, ultrasound, magnetic resonance imaging (MRI), computed tomography (CT), scintimammography, and biopsy have all been used as adjuncts to clinical examination in detecting recurrence. Subsequent treatment of recurrent breast cancer is determined by the results of a metastatic workup and the receptor status of the tumor. The most reliable form of diagnosis of recurrent breast cancer after TRAM flap reconstruction remains fine-needle, core, or open biopsy if indicated.
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Affiliation(s)
- N Shaikh
- Department of Surgery, The New York Presbyterian Hospital-Cornell Weill Medical Center, NY, USA
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45
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Shaikh S, Shaikh N, Blumenkranz MS. Fluorescein angiographic changes in acute toxic retinopathy associated with polypharmacy. Retina 2001; 20:685-8. [PMID: 11131433 DOI: 10.1097/00006982-200006000-00025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- S Shaikh
- Department of Ophthalmology, Stanford University Medical Center, California 94305, USA
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Sims MA, Field SD, Barnes MR, Shaikh N, Ellington K, Murphy KE, Spurr N, Campbell DA. Cloning and characterisation of ITGAV, the genomic sequence for human cell adhesion protein (vitronectin) receptor alpha subunit, CD51. Cytogenet Cell Genet 2000; 89:268-71. [PMID: 10965141 DOI: 10.1159/000015631] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The integrin family of receptors serves as major receptors for extracellular matrix-mediated cell adhesion and migration, cytoskeletal organisation, cell proliferation, survival, and differentiation. The alpha-V integrins consist of a subset which share a common alpha-V subunit combined with one of five beta subunits (beta-1, 3, 5, 6, or 8). The alpha-V integrins have been implicated in a number of developmental processes, including vasculogenesis and angiogenesis, and are therapeutic targets for inhibition of angiogenesis and osteoporosis. The human cDNA for alpha-V integrin (ITGAV) consists of a 5,717-bp transcript with a coding sequence (CDS) of 3,146 bp encoding a 150-kDa mature peptide. Here we describe the gene structure of ITGAV.
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Affiliation(s)
- M A Sims
- Genetic Technologies, SmithKline Beecham Pharmaceuticals, Harlow, Essex, UK
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47
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Shah AR, Rehman NU, Shaikh N, Isber N. External migration of an infected subcutaneous ICD patch through mammary tissue. J Cardiovasc Electrophysiol 1999; 10:1690. [PMID: 10636200 DOI: 10.1111/j.1540-8167.1999.tb00234.x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- A R Shah
- Sisters of Charity Medical Center, Staten Island, New York Medical College, New York 10310, USA.
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48
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Abstract
We describe an unusual case of spontaneously occurring intramural atrial hematoma with no communication with either atrium. The diagnosis of left atrial mass was made from transthoracic echocardiography. Subsequent examination with transesophageal echocardiography confirmed a large mass essentially filling the whole left atrium but failed to provide an etiologic diagnosis, which was eventually made at surgery.
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Affiliation(s)
- N Shaikh
- Division of Cardiology, Sisters of Charity Medical Center, Saint Vincent's Campus, Staten Island, NY 10310, USA
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49
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Abstract
Epidemiologic studies have suggested that consumption of phytoestrogen-rich foods may protect against breast cancer, and phytoestrogens such as genistein have been reported to both inhibit and stimulate the growth of some human breast cancer cells. The phytoestrogens genistein, daidzein, biochanin A, and coumestrol were tested and found to inhibit serum-stimulated growth in both T-47D and MCF-7 breast cancer cells at 10-100 microM. Extracts of several estrogenic herbs, including hops, black cohosh and vitex, inhibited growth of T-47D cells. These in vitro results suggest that certain herbs and phytoestrogens may have potential in the prevention of breast cancer.
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Affiliation(s)
- D Dixon-Shanies
- The New York College of Osteopathic Medicine of the New York Institute of Technology, Old Westbury, NY 11568-8000, USA
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50
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Harris WH, Marshall JS, Yamashiro S, Shaikh N. Mast cells of the bovine trachea: staining characteristics, dispersion techniques and response to secretagogues. Can J Vet Res 1999; 63:5-12. [PMID: 9918327 PMCID: PMC1189508] [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] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
Abstract
Sections of the lower trachea of cattle, fixed in either Carnoy's or formalin, were stained with toluidine blue, alcian blue, or alcian blue and safranin O to study the mast cell population. After toluidine blue staining, about twice as many cells in tissue fixed in Carnoy's contained dark blue granules compared with tissue fixed in formalin. In addition, for the first time in cattle, a population of cells containing red granules was identified after staining with alcian blue and safranin O. Most of these red granules were formalin sensitive. An enzymatic dispersal technique for mast cells is described that yielded 9.4+/-0.4% mast cells (percentage of nucleated cells) with a viability of 92.3+/-0.6%. Spontaneous histamine release was 3.3+/-0.8%. Dispersed mast cells were challenged with various immunological and nonimmunological secretagogues. The calcium ionophores, A23187, ionomyocin, and BrX537A, were effective in releasing up to 94% of histamine in mast cells in a dose-response relationship. Pasteurella haemolytica culture supernate caused about 10% histamine release at a dose of 0.5 mg/mL after correction for spontaneous release. The average histamine content of the mast cells was 6.6+/-1.0 pg/cell. Cytospins of dispersed cells fixed in Carnoy's and stained with alcian blue and safranin O contained mast cells with blue and red granules, and a few cells with a mixture of both granule types. Based on the effects of type of fixation, staining characteristics and histamine content, a mix of subtypes of mast cells is present in the bovine trachea. However, functionally they respond to secretagogues differently than rodent mast cells. Without an immunological secretagogue, studies to determine compounds that will be effective in blocking mast cell degranulation will be limited.
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Affiliation(s)
- W H Harris
- Department of Biomedical Sciences, University of Guelph, Ontario.
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