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Gabr A, Cunningham N, Kennedy C, Mohamed A, Okpaje B, Saleh A, Leahy A, El-Kholy K, Carrol I, Paulose S, Daly N, Harnett A, Buckley E, Kiely P, McManus J, Peters C, Quinn C, Prendiville T, Lyons D, Watts M, O’Keefe D, Galvin R, Murphy S, O'Connor M. 241 IMPLEMENTATION OF AN INTRACEREBRAL CEREBRAL HAEMORRHAGE CARE BUNDLE. Age Ageing 2021. [DOI: 10.1093/ageing/afab216.241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Abstract
Background
Mortality for Intracerebral haemorrhage (ICH) is 31% (Irish National Audit Stroke, 2019). An ICH care bundle focusing on acute anticoagulation reversal, blood pressure lowering, and a neurosurgical care pathway was associated with improved survival. Translating evidence-based medicine into clinical practice is challenging. The aim of this study was to determine feasibility and outcomes of implementation of a care bundle.
Methods
An ICH care bundle was developed using an iterative process involving expert stakeholder review of the evidence-based literature. A pre-and-post quasi-experimental research design was employed to evaluate this intervention. Baseline data were collected before implementation (January 2016-June 2018). Implementation took place in a staged manner in a single university teaching hospital with multiple ‘Plan Do Study Act cycles’ (June 2018 to January 2021). Data on compliance, process measures and outcomes were collected.
Results
Systolic blood pressure (first 24-hours) and anticoagulant reversal were significantly better controlled post-implementation (χ2 (1, N = 91) = 5.34, P = 0.02), (χ2 (1, N = 25) = 5.85, P = 0.016), respectively. DNAR orders were significantly lower in the post-implementation group (χ2 (1, N = 25) = 5.85, P = 0.029). However, ‘Do Not Actively Resuscitate’ status did not significantly differ when accounting for low GCS as a surrogate measure for poor prognosis (χ2 (1, N = 34) = 0.00, P = 0.966). Modified Rankin Scale on discharge did not differ significantly pre-and-post-implementation (z = −0.075, P = 0.94). A greater proportion of patients survived in the post-implementation group; however, this was not statistically significant (χ2 (1, N = 133) = 0.77, P = 0.38). Length of stay significantly increased post implementation.
Conclusion
An ICH care bundle was developed based on expert stakeholder feedback. The feasibility of implementing this bundle of care was demonstrated in a real-world clinical practice setting. A cluster-randomized trial or a large registry study is the next step to evaluate the overall impact of this care bundle on patient outcomes.
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Sahoo S, Parida P, Mohanty A, Das S, Mohamed A, Sahu SK. Outcome of four-point fixated open loop polymethyl methacrylate anterior chamber intraocular lens. Int Ophthalmol 2021; 42:1051-1059. [PMID: 34792708 DOI: 10.1007/s10792-021-02089-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Accepted: 10/21/2021] [Indexed: 11/26/2022]
Abstract
PURPOSE To study long-term visual and refractive outcomes and complications in eyes with anterior chamber intraocular lens (ACIOL) implantation. METHODS Data of patients who underwent primary and secondary ACIOL implantation at L V Prasad Eye Institute, Bhubaneswar between 2011 and 2020 was collected, including details of post-operative visits. For analysis, sample was divided into: group Ia (primary ACIOL in cases without risk factors, n = 104); group Ib (primary ACIOL in cases with pre-existing risk factors, n = 49); and group II (secondary ACIOL, n = 40). RESULTS A total of 193 eyes of 192 patients were included. Mean post-operative follow-up in groups I and II were 8.6 and 11.51 months, respectively. Mean pre-operative and last visit corrected distance visual acuity were 1.73 ± 0.11 and 0.42 ± 0.05 logMAR units in group Ia (p < 0.001), and 1.53 ± 0.14 and 0.49 ± 0.10 logMAR units in group Ib (p < 0.001). The mean spherical equivalent (MSE) for last refraction was -0.37 ± 0.18 diopters (D) and -0.15 ± 0.51 D in groups I and II, respectively. Of 76 eyes in which addition of 2.5 D (over the near emmetropic posterior chamber intraocular lens power) was taken for ACIOL, 40 (52.6%) had MSE within ± 0.5 D. Most common complications were transient corneal edema and anterior chamber reaction. Eyes on anti-glaucoma medications at last visit were eight (7.7%), 15 (30.6%), and two (5.0%) in groups Ia, Ib, and II, respectively. CONCLUSION We observed that ACIOLs have good visual and refractive outcomes. Raised IOP is a concern in eyes with pseudoexfoliation, but can be managed with close monitoring. Hence ACIOL can be a good option for managing aphakia after cataract surgery.
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Mannion M, Gabr A, Cunningham N, Leahy A, Paulose S, O'Brien I, Saleh A, Prendiville T, Okpaje B, Mohamed A, Ali B, Ryan R, Lyons D, Quinn C, Peters C, Shanahan E, Kennedy C, McManus J, Galvin R, O'Connor M. 235 THROMBOLYSIS DOSING AND WEIGHT ESTIMATION IN ACUTE STROKE: A SINGLE CENTRE AUDIT. Age Ageing 2021. [DOI: 10.1093/ageing/afab219.235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Abstract
Background
Stroke is a leading cause of death and disability. Thrombolysis with intravenous (IV) alteplase is the mainstay management of ischaemic stroke. It has a narrow therapeutic window with a high potential for adverse outcomes such as intracranial haemorrhage. The efficacy of alteplase is time and dose dependent with weight-based dosing. National clinical guidelines recommend a dose of 0.9 mg/kg, up to a maximum of 90 mg. (Irish Heart Foundation Council for Stroke 2015). In most hospitals in Ireland however, patients are not weighed prior to thrombolysis. Time pressure and lack of available suitable equipment are factors.
Methods
This retrospective clinical audit evaluated the dosing of alteplase, estimated and actual weight for a convenience sample of stroke thrombolysis patients treated between 2016–2020 at an Irish University Teaching Hospital.
Results
107 patients were audited (62 males, 45 females). Actual and estimated weights were available in 92/107. Weight was not documented (n = 15) due to severe stroke/palliative management (n = 6) or omission (n = 9). 21% (19/92) received the correct dose of 0.9 mg/kg. A further 54% (50/92) received a dose within the range of 0.81–0.99 mg/kg (±10%). 25% received a dose outside this range (> ± 10%). 11% (10/92) were under-thrombolysed and 14% (13/92) over-thrombolysed. 17/92 patients had an intracranial haemorrhage. 35% (n = 6/17) of patients who had an intracranial haemorrhage received a higher dose of thrombolysis (>10%).
Conclusion
A quarter of patients received inappropriate dosing of alteplase that was outside the range of ±10% of 0.9 mg/kg. While stroke thrombolysis must be completed urgently, an accurate weight should be determined to avoid errors in dosing. A process evaluation of stroke thrombolysis would provide information on how best to incorporate an objective means of weight measurement without delaying treatment.
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Mohamed A, Gabr A, Cassarino M, Leahy A, Ali B, Okpaje B, Saleh A, Mannion M, Carroll I, Hayes C, Peters C, Shanahan E, O'Connor M, Galvin R. 236 PREDICTORS OF ADVERSE OUTCOMES IN OLDER PATIENTS DISCHARGED DIRECTLY FROM THE EMERGENCY DEPARTMENT. Age Ageing 2021. [DOI: 10.1093/ageing/afab219.236] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/25/2023] Open
Abstract
Abstract
Background
Over 40% of older patients are discharged directly from the Emergency Department (ED) and this cohort is at increased risk of adverse outcomes.
The purpose of this study was to explore the factors that predict future adverse outcomes in this cohort to inform practice, resource planning and policy.
Methods
A secondary analysis of the OPTIMEND, a single-centre, randomized-controlled trial was completed. OPTIMEND examined the effectiveness of an intervention by a team of Health and Social Care Professionals along with usual care and compared this to standard ED care alone (Dec 2018-May 2019). The inclusion criteria were adults aged 65 years and over presenting to the ED at a University Teaching Hospital with medical complaints and a Manchester Triage System category 2–5.
Results
220 patients were included (median age 79 years; 62% female). Median length of stay in ED was 5.5 hrs. 70 patients re-attended the ED within 6 months with 43 re-hospitalised within 6 months. 9 patients died within six months of discharge.
Multivariant logistic regression was completed. Age was the only independent predictor of mortality within six months of discharge {Odds Ratio (OR) 1.15, p = 0.044}. Past hospitalisation (<6 months) was associated with a lower likelihood of ED re-attendance, and rehospitalization within six months of discharge (OR: 0.452 p = 0.022; OR:0.442, p = 0.046; respectively). Clinical Frailty Score was associated with a significantly higher likelihood of rehospitalization (OR:1.48, p = 0.031) but not with ED revisits (OR: 1.235, p = 0.165).
Conclusion
Older people have a high ED re-attendance rate of 33% after an index visit with 20% hospitalized subsequently. Frailty is a significant predictor of rehospitalisation. Rapid and targeted intervention for frail patients who reattend the ED should be a priority for the integrated care program to enhance admission avoidance.
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Okpaje B, Gabr A, Mohamed A, Teoh TK, Mustafa W, Saleh A, Ali B, Leahy A, Stapelton P, O'Connell N, Power L, O'Connell S, O'Brien A, Shanahan E, Peters C, Galvin R, O'Connor M. 234 THE IMPACT OF OLDER AGE ON CLINICAL OUTCOMES DURING THE FIRST WAVE OF THE COVID-19 PANDEMIC. Age Ageing 2021. [PMCID: PMC8690045 DOI: 10.1093/ageing/afab219.234] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Background Severe acute respiratory coronavirus 2 (SARS-CoV-2) was first recorded in Ireland in February 2020. Several studies have explored the association between age and SARS-CoV-2, showing that there were poorer outcomes in older people. Our objective was to evaluate the impact of age on outcomes such as hospital length of stay, mortality, and re-hospitalisation. Methods We performed a single-centre, retrospective observational cohort study, using an electronic microbiology database of recorded index admissions of SARS-CoV-2 positive patients aged 65 years and older during SARS-CoV-2 wave one (March 1st to May 31st 2020). PCR testing of nasopharyngeal and/or sputum samples was used to confirm positivity. Our clinical outcomes measured included hospital length of stay, mortality and re-admission rate within 6 months. Results 153 patients 65 years and above were admitted. The male to female ratio was 1.3 with 90% admitted medically. 79 patients were aged between 65–79 years; 84 patients ≥80 years; and 12 patients ≥90 years. Mortality was 25%, 31% and 42%, respectively. Median length of stay remained 14 days for ages 65–89 rising to 17.5 days for those ≥90 years. Re-hospitalisation rates at 6 months were similar for ages 65–79 and 89–89 years at 42% and 40%, respectively. One patient (14%) over 90 years was re-hospitalised. Conclusion SARS-CoV-2 has disproportionately impacted on general medical services treating older hospitalised people. In our centre, mortality for patients ≥65 years was 28.1% which compared favourably with 35.6% internationally as outlined by Victor et al. (2020) based on Spanish data. Treatment of SARS-CoV-2 is not futile in older patients with 58% of nonagenarians and 69% of octogenarians surviving, however re-hospitalisation rates are high at 40%. A targeted approach to discharge support via integrated care may ameliorate this.
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Mohan S, Gogri P, Murthy SI, Chaurasia S, Mohamed A, Dongre P. A Prospective Evaluation of the Effect of Mitomycin-C on Corneal Endothelium after Photorefractive Keratectomy for Myopia Correction. Middle East Afr J Ophthalmol 2021; 28:111-115. [PMID: 34759669 PMCID: PMC8547666 DOI: 10.4103/meajo.meajo_497_20] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Accepted: 06/23/2021] [Indexed: 11/17/2022] Open
Abstract
PURPOSE: The aim of the study was to assess the effect of mitomycin-C (MMC) 0.02% application on corneal endothelium in patients undergoing photorefractive keratectomy (PRK) for the correction of myopia and compound myopic astigmatism. METHODS: A prospective observational study including patients with myopia who underwent PRK plus intraoperative application of MMC 0.02%. All patients underwent noncontact specular microscopy preoperatively and 6 months postoperatively. The following parameters were analyzed: mean cell area (MCA), central corneal endothelial cell density (ECD), and coefficient of variation (CV) in cell size. RESULTS: One hundred and thirty-nine eyes of 73 patients with a mean age of 24.95 ± 3.23 years were included in the study. Mean baseline preoperative pachymetry was 519.54 ± 28.62 μm. The mean preoperative spherical equivalent was −4.6 ± 2.3D (range from −1D to −10D) which decreased to mean postoperative spherical equivalent of −0.125 ± 0.32D. Mean baseline ECD was 2829.3 ± 188.8 cells/mm2, MCA was 354.6 ± 24.9 μm2/cell, CV was 0.35 ± 0.06, and hexagonality was 50.1 ± 6.64. The mean ECD decreased by 43 ± 1.6 cells/mm2 which was not statistically significant (P = 0.07). The MCA increased by 5 ± 1.3 μm2/cell, but this was not statistically significant (P = 0.07). However, both the CV and percentage of hexagonal cells showed statistically significant differences in the median values as compared to preoperatively (P < 0.001). CONCLUSION: In our study, MMC had no significant effect on corneal endothelial cell counts or MCA. While there were statistically reduced CV and percentage of hexagonal cells, these did not appear to be clinically significant. MMC is safe to use routinely to prevent haze formation in PRK.
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Mallikarjun K, Narayanan R, Raman R, Mohamed A, Shanmugam MP, Apte RS, Padhy SK. Dexamethasone implant improves anatomic response to anti-VEGF therapy in treatment-resistant polypoidal choroidal vasculopathy. Int Ophthalmol 2021; 42:1263-1272. [PMID: 34755239 DOI: 10.1007/s10792-021-02113-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 10/21/2021] [Indexed: 11/30/2022]
Abstract
BACKGROUND A significant proportion of eyes with polypoidal choroidal vasculopathy (PCV) can be resistant to anti-vascular endothelial growth factor (VEGF) injections. We evaluated the efficacy of a combination of dexamethasone intravitreal implant (DXI) and anti-VEGF therapy in eyes resistant to anti-VEGF monotherapy. METHODS In this retrospective study, patients with PCV resistant to anti-VEGF injections were additionally injected with a DXI along with an anti-VEGF agent. Best-corrected visual acuity (BCVA), slit-lamp examination, fundus evaluation, and optical coherence tomography (OCT) data were analyzed. Anatomical response on OCT was the primary outcome measure. Change in visual acuity and injection-free interval after DXI were evaluated as secondary outcome measures. RESULTS Twelve eyes of 11 patients were included in the study. Mean age of patients at presentation was 64.7 ± 9.5 years (range, 49-78.8 years), and there were seven females (63.6%). Median number of anti-VEGF injections prior to DXI was 4 (interquartile range IQR, 3-7). Median follow-up duration after DXI was 32.2 months (IQR, 6.6-41.6 months). Median logMAR BCVA immediately prior to DXI was 0.41 (IQR, 0.30-0.88) and after injection was 0.40 (IQR, 0.30-1.05), which was not significantly different (p = 0.85). Median Central Retinal Thickness (CRT) after DXI was 305.5 µm (IQR, 249-409 µm), which was significantly (p = 0.003) lesser than pre-injection thickness of 547 µm (IQR, 431-771 µm). Median injection-free interval in these eyes after DXI was 5 months (IQR, 2.8-6.4 months). Kaplan-Meier estimates of first injection after DXI were 27.3% at 3 months, 67.3% at 6 months, and 89.1% at 12 months. CONCLUSIONS Dexamethasone implant combined with anti-VEGF treatment can prolong the treatment-free interval in eyes with PCV resistant to anti-VEGF injection while maintaining visual acuity.
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Parameswarappa DC, Rajalakshmi R, Mohamed A, Kavya S, Munirathnam H, Manayath G, Kumar MA, Raman R, Vignesh TP, Ramasamy K, Mani S, Muralidhar A, Agarwal M, Anantharaman G, Bijlani N, Chawla G, Sen A, Kulkarni S, Behera UC, Sivaprasad S, Das T, Rani PK. Severity of diabetic retinopathy and its relationship with age at onset of diabetes mellitus in India: A multicentric study. Indian J Ophthalmol 2021; 69:3255-3261. [PMID: 34708783 PMCID: PMC8725142 DOI: 10.4103/ijo.ijo_1459_21] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Purpose: To present clinical profile and risk factors of sight-threatening diabetic retinopathy (STDR) among people with age of onset of diabetes (AOD) <25 versus ≥25 years. Methods: A retrospective chart analysis of consecutive patients with diabetic retinopathy (DR) n = 654) treated at 14 eye care centers across India between 2018 and 2019 was performed. Patients were divided into two groups, Group 1: AOD <25 years and Group 2: AOD ≥25 years. DR and diabetic macular edema (DME) were classified using the International Clinical Classification of DR severity scale. STDR included severe nonproliferative DR (NPDR), proliferative DR (PDR), and moderate to severe DME. A multilevel mixed-effects model was used for comparison between two groups: 1) Patients with DR and AOD <25 years and 2) Patients with DR and AOD ≥25 years. Bivariate and multivariate regression analyses were used to evaluate risk factors between the two groups. Results: A total of 654 patients were included, 161 (307 eyes) in AOD <25 and 493 (927 eyes) in AOD >25 group. There was a higher prevalence of PDR with high-risk characteristics in AOD <25 group (24% vs. 12%) at baseline and 12-month follow-up (25% vs. 6%); P < 0.001. Systolic hypertension and poor glycemic control were risk factors in both groups, with no difference in these modifiable risk factors between groups. Conclusion: People with youth-onset DM are likely to present with severer form of STDR despite similar modifiable risk factors. Therefore, strict control of systolic blood pressure, glycemic status, and regular screening for DR are recommended to reduce the risk of STDR irrespective of the age of onset of diabetes.
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Faderani R, Mohamed A, Stewart P. 182 Improving Handovers from A Neurosurgical High Dependency Unit to Ward Teams. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
A good handover is fundamental in providing continuity of care within a multidisciplinary team, allowing for safe and effective management of patients.
Method
Handovers between the neurosurgical high dependency unit and the ward team were prospectively evaluated as patients were stepped down over a 6-week period. The handover rate and consequences of poor handovers (missed investigations, referrals, or delayed discharges) were documented. After 6-weeks, handover proforma was introduced and the rates were recalculated.
Results
In the initial 6-week period, 36 patients were transferred, with only 2(5.6%) appropriately handed-over. Consequently, 9(26%) patients had delayed scans, 5(15%) missed referrals, and 24(71%) delayed discharges. In the 6-week period following the introduction of the proforma, a total of 28 patients were transferred, with 19(67.8%) documented handovers. Consequently, 1(3.5%) patient had a scan delay, 0 missed referrals and only 2(7%) patients had delayed discharges.
Conclusions
By raising awareness of handovers and introducing a proforma, we improved documented handovers by 62.3% whilst reducing the rate of missed investigations, referrals, and delayed discharges by over 90%. This project highlights how small, simple, and easy to enforce changes can lead to significant improvements in the quality of care provided to patients.
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Yahya I, Chifa D, Mouna S, Faten F, Sameh M, Mohamed A, Abdelmoumen G, Mouhamed B, Zouhir B. Hyperparathyroïdie secondaire chez l’insuffisant rénal chronique : prise en charge chirurgicale. ANNALES D'ENDOCRINOLOGIE 2021. [DOI: 10.1016/j.ando.2021.08.142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Mohamed A, Han JE, Galiyev Y, Henein C, Mathew RG. Infographic: Collaborative Initial Glaucoma Treatment Study (CIGTS). Eye (Lond) 2021; 35:2665-2666. [PMID: 33674731 PMCID: PMC8452723 DOI: 10.1038/s41433-021-01434-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 12/18/2020] [Accepted: 01/21/2021] [Indexed: 02/04/2023] Open
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Vasanthapuram VH, Saha P, Mohamed A, Naik MN. Ultrasound biomicroscopic features of the normal lower eyelid. Orbit 2021; 40:375-380. [PMID: 32942920 DOI: 10.1080/01676830.2020.1812094] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Accepted: 08/09/2020] [Indexed: 06/11/2023]
Abstract
PURPOSE To report the ultrasound biomicroscopic features of normal lower eyelid structures. METHODS Thirty lower eyelids of fifteen healthy adults were randomized and prospectively subjected to Ultrasound Biomicroscopy (Quantel Aviso with 50 MHz transducer) by two independent observers (an ophthalmologist and an optometrist). The measurements were performed in upgaze, with the probe perpendicular to the lower eyelid margin in the mid-pupillary line, two limbal lines, and two canthal lines. The tarsus, orbicularis, capsulopalpebral fascia, and retractor-conjunctiva complex were assessed for two parameters: echogenicity (hyper/hypoechoic) and measurement in millimeters. RESULTS Mean age was 25 years (range 20-39 years), 15 (50%) were right lower eyelids and 8 were males. The first layer, skin-orbicularis complex appeared hyperechoic. The second layer was hypoechoic band which represents the tarsal plate superiorly and capsulopalpebral fascia inferiorly. This was noted to be continuous and of almost uniform thickness in the normal eyelids. The glandular structure of meibomian glands was identified in 100% cases. The hyperechoic layer below the capsulopalpebral fascia is the retractor-conjunctiva complex. The mean thickness of pretarsal and pre-septal orbicularis was 0.68 ± 0.18 mm and 0.89 ± 0.16 mm, respectively. The tarsal plate measured 0.57 ± 0.12 mm, capsulopalpebral fascia 0.42 ± 0.13 mm and the retractor-conjunctiva complex 0.79 ± 0.18 mm. On Bland-Altman analysis, the majority of the measurements had mean agreements between -0.14 mm and +0.12 mm. Anatomical differentiation was not useful in the canthal region. CONCLUSION Echogenicity and thickness of normal lower eyelid structures as measured by UBM are reported. The test is non-invasive, with a good inter-observer agreement.
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Roy A, Kamra D, Murthy SI, Mohamed A, Chaurasia S, Fernandes M, Das S, Sharma S. Intermediate outcomes of therapeutic penetrating keratoplasty for severe microbial keratitis using glycerol-preserved donor corneas during the COVID-19 pandemic. Indian J Ophthalmol 2021; 69:2812-2817. [PMID: 34571640 PMCID: PMC8597530 DOI: 10.4103/ijo.ijo_1183_21] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Purpose To report the intermediate outcomes of therapeutic penetrating keratoplasty (TPK) performed for severe microbial keratitis using glycerol-preserved corneas during the Corona virus diseases of 2019 (COVID-19). Methods Retrospective non-comparative case series from April to August 2020 in a network of tertiary eye care centers. Glycerol-preserved tissues were used for therapeutic keratoplasty (TPK). We reviewed the demographics, microbiology, surgical outcomes such as wound integrity, recurrence, graft melt, epithelialization, and complications. Results A total of 49 eyes that underwent TPK with glycerol-preserved corneal tissues were analyzed. The primary indication was severe microbial keratitis in 47 eyes. The majority was a fungal infection in 33 eyes (67.3%). The mean age was 53.8 ± 12.2 years, with male predominance (3:1). The corneas were stored for an average of 85.5 ± 53 days prior to transplant. The median donor age was 65 years. The grafts were tectonically stable in 32/36 eyes (88.9%) at 1 month and 20/24 eyes (83.3%) at 3 months. The graft melt was noted in three eyes at 1 and 3 months. The recurrence of the infection was noted in four eyes and all were of fungal etiology. The graft epithelialization was delayed with a mean duration of 48.9 ± 25 days after surgery. Post-TPK, raised intra-ocular pressure (>21 mm Hg) was noted in 51.2% at 1 week, 17.4% at 1 month, and 11.8% at 3 months. Conclusion Glycerol preservation is a reliable alternative with good therapeutic outcomes in the short and interim postoperative period. Delayed epithelialization and secondary glaucoma were the commonest postoperative complications.
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Mohamed A, Ayed M, Shah P. Corrigendum to: Canadian Paediatric Society 92nd Annual Conference: Abstracts-79: Withholding Feeds During Blood Transfusion and Risk of Transfusion Associated Necrotizing Enterocolitis (TANEC). Paediatr Child Health 2021; 26:384. [PMID: 34550116 DOI: 10.1093/pch/pxab039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Indexed: 11/12/2022] Open
Abstract
[This corrects the article DOI: 10.1093/pch/20.5.e62a.].
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Das T, Agarwal M, Anand AR, Behera UC, Bhende M, Das AV, Dasgupta D, Dave VP, Gandhi J, Gunasekaran R, Joseph J, Kulkarni S, Lalitha P, Mahendrakar PA, Mitra S, Mohamed A, Muralidhar A, Nimeshika PL, Prashanthi GS, Sen A, Sharma S, Uday P. Fungal endophthalmitis: Analysis of 730 consecutive eyes from seven tertiary eye care centers in India. Ophthalmol Retina 2021; 6:243-251. [PMID: 34547530 DOI: 10.1016/j.oret.2021.09.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Revised: 09/07/2021] [Accepted: 09/13/2021] [Indexed: 11/16/2022]
Abstract
PURPOSE To evaluate the clinical and microbiological features of a large cohort of culture-confirmed fungal endophthalmitis across India. DESIGN Cross-sectional hospital-based retrospective medical records review. PARTICIPANTS Seven large tertiary eye care centers from different regions of India. METHODS The patient data were pooled from the electronic/physical medical records of each participating center. Fellowship-trained vitreoretinal specialists clinically managed all patients, and in-house microbiology laboratories performed all microbiology work-ups. The clinical and microbiology procedures were broadly uniform across all participating centers. The essential treatment consisted of vitreous surgery and intravitreal and systemic therapy with antifungal agents. MAIN OUTCOME MEASURES Clinical outcome by the causative event and causative fungus. RESULTS In the 2005-2020 period, seven centers treated 3830 cases of culture-proven endophthalmitis, and 19.1% (n=730) were culture-confirmed fungal endophthalmitis. It included 46.9% postoperative (87.4% post-cataract surgery), 35.6% traumatic and 17.5% endogenous endophthalmitis. The fungi included 39.0% Aspergillus (high in central, east and south zones), 15.1% Candida (high in west zone), 15.9% Fusarium (high in north and west zone). The time to symptoms was between 1w-4w in more than a third of patients except in traumatic endophthalmitis. Less than half of patients had hypopyon on presentation. Presenting visual acuity (PVA) in most patients was <20/400. Nearly all patients needed a vitrectomy and an average of two intravitreal injections of antifungal agents. At least 10% of eyes needed therapeutic keratoplasty, and up to 7% of eyes were eviscerated. Following treatment, the final (best corrected) visual acuity (FVA) was > 20/400 in 30.5% (n= 222) eyes; > 20/40 in 7.9% (n=58) eyes; and 12% (n=88) eyes lost light perception. Post-hoc analysis showed significantly more males in traumatic than post-operative (p<0.0001) and endogenous (p = 0.001) endophthalmitis; higher isolation of Candida species in endogenous than post-operative (p = 0.004) and traumatic (p<0.0001) endophthalmitis, better PVA in eyes with Candida species infection (p<0.0001) and poorer FVA in eyes with Aspergillus species infection. CONCLUSIONS Fungal endophthalmitis is not uncommon in India. The inclusion of antifungal agents with antibiotics as the first empirical intravitreal therapy before microbiological confirmation could be considered when fungal infection is suspected.
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B, Negro G, Neumeister N, Peng CC, Piperov S, Qiu H, Schulte JF, Stojanovic M, Trevisani N, Wang F, Xiao R, Xie W, Cheng T, Dolen J, Parashar N, Baty A, Dildick S, Ecklund KM, Freed S, Geurts FJM, Kilpatrick M, Kumar A, Li W, Padley BP, Redjimi R, Roberts J, Rorie J, Shi W, Stahl Leiton AG, Yang S, Bodek A, de Barbaro P, Demina R, Dulemba JL, Fallon C, Ferbel T, Galanti M, Garcia-Bellido A, Hindrichs O, Khukhunaishvili A, Ranken E, Taus R, Chiarito B, Chou JP, Gandrakota A, Gershtein Y, Halkiadakis E, Hart A, Heindl M, Hughes E, Kaplan S, Karacheban O, Laflotte I, Lath A, Montalvo R, Nash K, Osherson M, Salur S, Schnetzer S, Somalwar S, Stone R, Thayil SA, Thomas S, Wang H, Acharya H, Delannoy AG, Spanier S, Bouhali O, Dalchenko M, Delgado A, Eusebi R, Gilmore J, Huang T, Kamon T, Kim H, Luo S, Malhotra S, Mueller R, Overton D, Perniè L, Rathjens D, Safonov A, Akchurin N, Damgov J, Hegde V, Kunori S, Lamichhane K, Lee SW, Mengke T, Muthumuni S, Peltola T, Undleeb S, Volobouev I, Wang Z, Whitbeck A, Appelt E, Greene S, Gurrola A, Janjam R, Johns W, Maguire C, Melo A, Ni H, Padeken K, Romeo F, Sheldon P, Tuo S, Velkovska J, Verweij M, Arenton MW, Cox B, Cummings G, Hakala J, Hirosky R, Joyce M, Ledovskoy A, Li A, Neu C, Tannenwald B, Wang Y, Wolfe E, Xia F, Karchin PE, Poudyal N, Thapa P, Black K, Bose T, Buchanan J, Caillol C, Dasu S, De Bruyn I, Everaerts P, Galloni C, He H, Herndon M, Hervé A, Hussain U, Lanaro A, Loeliger A, Loveless R, Madhusudanan Sreekala J, Mallampalli A, Pinna D, Ruggles T, Savin A, Shang V, Sharma V, Smith WH, Teague D, Trembath-Reichert S, Vetens W. Observation of Forward Neutron Multiplicity Dependence of Dimuon Acoplanarity in Ultraperipheral Pb-Pb Collisions at sqrt[s_{NN}]=5.02 TeV. PHYSICAL REVIEW LETTERS 2021; 127:122001. [PMID: 34597080 DOI: 10.1103/physrevlett.127.122001] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Revised: 04/20/2021] [Accepted: 07/21/2021] [Indexed: 06/13/2023]
Abstract
The first measurement of the dependence of γγ→μ^{+}μ^{-} production on the multiplicity of neutrons emitted very close to the beam direction in ultraperipheral heavy ion collisions is reported. Data for lead-lead interactions at sqrt[s_{NN}]=5.02 TeV, with an integrated luminosity of approximately 1.5 nb^{-1}, are collected using the CMS detector at the LHC. The azimuthal correlations between the two muons in the invariant mass region 8<m_{μμ}<60 GeV are extracted for events including 0, 1, or at least 2 neutrons detected in the forward pseudorapidity range |η|>8.3. The back-to-back correlation structure from leading-order photon-photon scattering is found to be significantly broader for events with a larger number of emitted neutrons from each nucleus, corresponding to interactions with a smaller impact parameter. This observation provides a data-driven demonstration that the average transverse momentum of photons emitted from relativistic heavy ions has an impact parameter dependence. These results provide new constraints on models of photon-induced interactions in ultraperipheral collisions. They also provide a baseline to search for possible final-state effects on lepton pairs caused by traversing a quark-gluon plasma produced in hadronic heavy ion collisions.
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Matchev K, Menendez N, Mitselmakher G, Rosenzweig D, Shi K, Wang J, Wang S, Zuo X, Adams T, Askew A, Diaz D, Habibullah R, Hagopian S, Hagopian V, Johnson KF, Khurana R, Kolberg T, Martinez G, Prosper H, Schiber C, Yohay R, Zhang J, Baarmand MM, Butalla S, Elkafrawy T, Hohlmann M, Noonan D, Rahmani M, Saunders M, Yumiceva F, Adams MR, Apanasevich L, Becerril Gonzalez H, Cavanaugh R, Chen X, Dittmer S, Evdokimov O, Gerber CE, Hangal DA, Hofman DJ, Mills C, Oh G, Roy T, Tonjes MB, Varelas N, Viinikainen J, Wang X, Wu Z, Alhusseini M, Dilsiz K, Durgut S, Gandrajula RP, Haytmyradov M, Khristenko V, Köseyan OK, Merlo JP, Mestvirishvili A, Moeller A, Nachtman J, Ogul H, Onel Y, Ozok F, Penzo A, Snyder C, Tiras E, Wetzel J, Yi K, Amram O, Blumenfeld B, Corcodilos L, Eminizer M, Gritsan AV, Kyriacou S, Maksimovic P, Mantilla C, Roskes J, Swartz M, Vámi TÁ, Baldenegro Barrera C, Baringer P, Bean A, Bylinkin A, Isidori T, Khalil S, King J, Krintiras G, Kropivnitskaya A, Lindsey C, Minafra N, Murray M, Rogan C, Royon C, Sanders S, Schmitz E, Tapia Takaki JD, Wang Q, Williams J, Wilson G, Duric S, Ivanov A, Kaadze K, Kim D, Maravin Y, Mitchell T, Modak A, Mohammadi A, Rebassoo F, Wright D, Adams E, Baden A, Baron O, Belloni A, Eno SC, Feng Y, Hadley NJ, Jabeen S, Jeng GY, Kellogg RG, Koeth T, Mignerey AC, Nabili S, Seidel M, Skuja A, Tonwar SC, Wang L, Wong K, Abercrombie D, Allen B, Bi R, Brandt S, Busza W, Cali IA, Chen Y, D'Alfonso M, Gomez Ceballos G, Goncharov M, Harris P, Hsu D, Hu M, Klute M, Kovalskyi D, Krupa J, Lee YJ, Luckey PD, Maier B, Marini AC, Mcginn C, Mironov C, Narayanan S, Niu X, Paus C, Rankin D, Roland C, Roland G, Shi Z, Stephans GSF, Sumorok K, Tatar K, Velicanu D, Wang J, Wang TW, Wang Z, Wyslouch B, Chatterjee RM, Evans A, Guts S, Hansen P, Hiltbrand J, Jain S, Krohn M, Kubota Y, Lesko Z, Mans J, Revering M, Rusack R, Saradhy R, Schroeder N, Strobbe N, Wadud MA, Acosta JG, Oliveros S, Bloom K, Chauhan S, Claes DR, Fangmeier C, Finco L, Golf F, González Fernández JR, Kravchenko I, Siado JE, Snow GR, Stieger B, Tabb W, Yan F, Agarwal G, Bandyopadhyay H, Harrington C, Hay L, Iashvili I, Kharchilava A, McLean C, Nguyen D, Pekkanen J, Rappoccio S, Roozbahani B, Alverson G, Barberis E, Freer C, Haddad Y, Hortiangtham A, Li J, Madigan G, Marzocchi B, Morse DM, Nguyen V, Orimoto T, Parker A, Skinnari L, Tishelman-Charny A, Wamorkar T, Wang B, Wisecarver A, Wood D, Bhattacharya S, Bueghly J, Chen Z, Gilbert A, Gunter T, Hahn KA, Odell N, Schmitt MH, Sung K, Velasco M, Bucci R, Dev N, Goldouzian R, Hildreth M, Hurtado Anampa K, Jessop C, Karmgard DJ, Lannon K, Li W, Loukas N, Marinelli N, Mcalister I, Meng F, Mohrman K, Musienko Y, Ruchti R, Siddireddy P, Taroni S, Wayne M, Wightman A, Wolf M, Zygala L, Alimena J, Bylsma B, Cardwell B, Durkin LS, Francis B, Hill C, Lefeld A, Winer BL, Yates BR, Das P, Dezoort G, Elmer P, Greenberg B, Haubrich N, Higginbotham S, Kalogeropoulos A, Kopp G, Kwan S, Lange D, Lucchini MT, Luo J, Marlow D, Mei K, Ojalvo I, Olsen J, Palmer C, Piroué P, Stickland D, Tully C, Malik S, Norberg S, Barnes VE, Chawla R, Das S, Gutay L, Jones M, Jung AW, Mahakud B, Negro G, Neumeister N, Peng CC, Piperov S, Qiu H, Schulte JF, Stojanovic M, Trevisani N, Wang F, Xiao R, Xie W, Cheng T, Dolen J, Parashar N, Baty A, Dildick S, Ecklund KM, Freed S, Geurts FJM, Kilpatrick M, Kumar A, Li W, Padley BP, Redjimi R, Roberts J, Rorie J, Shi W, Stahl Leiton AG, Bodek A, de Barbaro P, Demina R, Dulemba JL, Fallon C, Ferbel T, Galanti M, Garcia-Bellido A, Hindrichs O, Khukhunaishvili A, Ranken E, Taus R, Chiarito B, Chou JP, Gandrakota A, Gershtein Y, Halkiadakis E, Hart A, Heindl M, Hughes E, Kaplan S, Karacheban O, Laflotte I, Lath A, Montalvo R, Nash K, Osherson M, Salur S, Schnetzer S, Somalwar S, Stone R, Thayil SA, Thomas S, Wang H, Acharya H, Delannoy AG, Spanier S, Bouhali O, Dalchenko M, Delgado A, Eusebi R, Gilmore J, Huang T, Kamon T, Kim H, Luo S, Malhotra S, Mueller R, Overton D, Perniè L, Rathjens D, Safonov A, Sturdy J, Akchurin N, Damgov J, Hegde V, Kunori S, Lamichhane K, Lee SW, Mengke T, Muthumuni S, Peltola T, Undleeb S, Volobouev I, Wang Z, Whitbeck A, Appelt E, Greene S, Gurrola A, Janjam R, Johns W, Maguire C, Melo A, Ni H, Padeken K, Romeo F, Sheldon P, Tuo S, Velkovska J, Verweij M, Arenton MW, Cox B, Cummings G, Hakala J, Hirosky R, Joyce M, Ledovskoy A, Li A, Neu C, Tannenwald B, Wang Y, Wolfe E, Xia F, Karchin PE, Poudyal N, Thapa P, Black K, Bose T, Buchanan J, Caillol C, Dasu S, De Bruyn I, Everaerts P, Galloni C, He H, Herndon M, Hervé A, Hussain U, Lanaro A, Loeliger A, Loveless R, Madhusudanan Sreekala J, Mallampalli A, Pinna D, Ruggles T, Savin A, Shang V, Sharma V, Smith WH, Teague D, Trembath-Reichert S, Vetens W. Constraints on the Initial State of Pb-Pb Collisions via Measurements of Z-Boson Yields and Azimuthal Anisotropy at sqrt[s_{NN}]=5.02 TeV. PHYSICAL REVIEW LETTERS 2021; 127:102002. [PMID: 34533355 DOI: 10.1103/physrevlett.127.102002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Revised: 06/17/2021] [Accepted: 07/27/2021] [Indexed: 06/13/2023]
Abstract
The CMS experiment at the LHC has measured the differential cross sections of Z bosons decaying to pairs of leptons, as functions of transverse momentum and rapidity, in lead-lead collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV. The measured Z boson elliptic azimuthal anisotropy coefficient is compatible with zero, showing that Z bosons do not experience significant final-state interactions in the medium produced in the collision. Yields of Z bosons are compared to Glauber model predictions and are found to deviate from these expectations in peripheral collisions, indicating the presence of initial collision geometry and centrality selection effects. The precision of the measurement allows, for the first time, for a data-driven determination of the nucleon-nucleon integrated luminosity as a function of lead-lead centrality, thereby eliminating the need for its estimation based on a Glauber model.
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Rathi VM, Murthy SI, Mitra S, Yamjala B, Mohamed A, Sharma S. Masked comparison of trypan blue stain and potassium hydroxide with calcofluor white stain in the microscopic examination of corneal scrapings for the diagnosis of microbial keratitis. Indian J Ophthalmol 2021; 69:2457-2460. [PMID: 34427244 PMCID: PMC8544045 DOI: 10.4103/ijo.ijo_3685_20] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Purpose: To evaluate the efficacy of trypan blue in direct microscopic examination of corneal scrapings in the diagnosis of non-viral microbial keratitis. Methods: In a prospective, interventional, masked study, 82 consecutive patients were investigated. Direct microscopic examination of the corneal scrapings involved three smears stained with potassium hydroxide with calcofluor white (KOH + CFW), Gram stain (not analyzed), and trypan blue stain and culture for bacteria, fungus, and Acanthamoeba. While KOH + CFW stained slides were examined under a fluorescence microscope, trypan blue-stained slides were examined by two microbiologists (masked to KOH + CFW and culture results) under normal light microscopy. Thirty samples were reexamined for interobserver and intraobserver variability. Results: Out of 82 samples, fungal/fungus-like elements were seen in 48 (58.5%) in KOH + CFW and 38 (46.3%) in trypan blue stain. One microsporidial case, detected in KOH + CFW was negative in trypan blue stain (culture not done). Fungal growth was positive in 23 out of 81 (28.3%) cases cultured, single bacterial species in 18 (22.2%), Pythium insidiosum in three, mixed bacteria and fungus/Pythium in 7 (8.6%), Acanthamoeba in none and 30 (37.0%) samples were sterile. With culture as gold standard, the respective sensitivity (84.9%, 75.7%) and specificity (90.9%, 68.2%) of KOH + CFW stain and trypan blue stain were comparable (p = 0.16, P = 0.06). The interobserver linear weighted kappa score between the two microbiologists was 1.00 while it was 0.86 for intraobserver agreement. Conclusion: Trypan blue stain, an easily available dye to ophthalmologists, is highly efficacious in the diagnosis of fungal keratitis.
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Soha K, Hisham A, Mohamed H, Mohamed A. Role of Left Ventricular Speckle Tracking Imaging in Detection of Coronary Artery Disease in Non-Diabetic Patients. CARDIOMETRY 2021. [DOI: 10.18137/cardiometry.2021.19.106112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
This study aimed to determine the role of global longitudinalstrain (GLS) in early diagnosis and detection of severity of coronaryartery disease (CAD) in non-diabetic patients with preservedleft ventricular ejection fraction (EF) without regionalwall motion abnormalities presented with chronic coronary syndrome,and to identify the role of territorial longitudinal strain(TLS) in detection of the affected coronary artery. We enrolled60 non-diabetic patients with suspected CAD who underwentresting echocardiography and speckle tracking imaging andsubsequently coronary angiography then results were correlatedtogether. Patients with family history of CAD (68.3%), hypertension(68.3%), smokers (43.3%), and dyslipidemia (81.6%). Allparticipants had normal left ventricular systolic function withmean EF of 64.02±6.15% and no regional wall motion abnormalitiesat rest. Patients were classified angiographically accordingto the number of the diseased vessels into: 3 vessels disease(43.3%), 1-2 vessels disease (35%), and normal coronaryangiography (21.7%) with GLS mean values of -13.69±1.94%,-15.4±1.74%, and -18.80±2.14%, respectively. There was a negativesignificant correlation between GLS values and the numberof diseased vessels (P=0.001). The values of TLS were significantlylower in myocardial regions supplied by stenotic arteries thanthose supplied by non-stenotic arteries. Mean TLS values forstenotic left anterior descending, left circumflex, and right coronaryarteries were -15.51±3.19, -13.06±2.90, -13.27±2.60 withP=0.011, 0.001, and 0.001, respectively. Speckle tracking derivedGLS is an effective non-invasive method in predicting presenceand severity of CAD and in locating the affected vessels basedon the distribution of segments affected in TLS.
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Jakati S, Vempuluru VS, Mohamed A, K Mishra D, Kaliki S. Lenticular changes in eyes with advanced intraocular retinoblastoma: A histopathological study of 48 enucleated eyes. Semin Ophthalmol 2021; 37:480-484. [PMID: 34383612 DOI: 10.1080/08820538.2021.1962367] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
PURPOSE To evaluate the lenticular changes in advanced intraocular retinoblastoma (RB) and identify the risk factors for cataract in these eyes. METHODS Retrospective analysis of 48 primary enucleations. RESULTS All enucleated eyes were classified either as group D (n = 7; 15%) or group E (n = 41; 85%) tumors based on the International Classification of Intraocular Retinoblastoma. Of the 48 enucleated eyes with RB, cataract was noted clinically in only 5 (18%) cases, while histopathology revealed cataractous changes in 28 (58%) cases. Based on histopathology, the cataractous changes included anterior subcapsular cataract (n = 10; 36%), cortical cataract (n = 6; 21%), posterior subcapsular cataract (n = 10; 36%) and both anterior and posterior subcapsular cataract (n = 2; 7%). Based on multivariate logistic regression, only increased area of necrosis on histopathology was the significant (p = .009) factor predictive of cataractous changes in lens with an odds ratio of 1.08. CONCLUSION Eyes with advanced RB can harbor cataract in 58% cases, though most of these are subclinical. Clinically significant cataract may be evident in only 18% cases. Increased tumor necrosis is associated with the development of cataractous changes in RB cases.
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Georgiopoulos G, Vennin S, Faconti L, Mc Nally R, Mohamed A, Hugelshofer S, Nicoli F, Alfakih K, Mughal N, Bosio F, Alastruey-Arimon J, Keehn L, Chiribiri A, Chowienczyk P, Masci PG. Unravelling racial differences in hypertensive heart disease by multiparametric cardiovascular magnetic resonance: a phenotype-wide association study. Eur Heart J Cardiovasc Imaging 2021. [DOI: 10.1093/ehjci/jeab090.124] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Funding Acknowledgements
Type of funding sources: Foundation. Main funding source(s): Dr Georgiopoulos was supported by the Onassis Foundation under the special grant & support program for scholars" association members
Introduction – Black Afro-Caribbean hypertensives (BAHs) are exposed to a higher risk of heart failure (HF) than white hypertensives (WHs). Arterial afterload is higher in BAHs due to increased arterial stiffness and vascular volume; BAHs develop more often left ventricular (LV) hypertrophy, dilatation and systolic dysfunction than WHs. However, it is unclear whether other racial differences concur to the more pronounced LV remodelling in BAHs.
Methods – This cross-sectional study included hypertensive patients undergoing cardiovascular magnetic resonance for their clinical work-up (1.5T Aera Siemens-Healthcare). Clinical history and haemodynamic parameters were collected in all participants; a subset of patients had complete bio-humoral assay of the renin-angiotensin-aldosterone system (RAAs). Arm cuff pressure was measured during CMR. The CMR protocol included: i) Arterial afterload / LV arterial-coupling - pulse-wave-velocity (PWV), aortic (Ea) and LV elastance (Ees) by aorta anatomic and phase-contrast velocity-encoding imaging; ii) ventricular remodelling and function - LV and right ventricular (RV) volumes, mass, EF, LV peak-filling rate by short-axis cine images; global circumferential and longitudinal strains by cine feature tracking; iii) left atrial (LA) remodelling volumes and reservoir, conduit and booster functions by long-axis cine images; iv) tissue characterisation: T2 and pre/post-contrast T1 relaxation times, extracellular volume (ECV) by single mid-ventricular short-axis T1/T2-mapping.
Results – 34 BAHs and 35 WHs (52 ± 12 vs 45 ± 14 years, P < 0.05; 61% vs 65% males P = NS) were included in the study. Baseline features are summarised in the Table. LV systolic dysfunction was more prevalent in BAH than WHs (P = 0.038). Of note, BAHs tended to have greater LV volumes and significantly higher LV mass and septal thickness than WHs. In BAHs, but not in WHs, PWV was associated with increased septal thickness after correction for blood pressure and age (β-value: 0.447, P = 0.02). Normalised RV mass was greater in BHA than WHs; RV mass suits for the identification of racial or circulating factors predisposing to hypertrophy being largely unaffected by systemic afterload. In our study LV diastolic function and LA volumes were similar between BAHs and WHs, and none of the subjects had conditions associated with pre-capillary pulmonary hypertension. Hence, higher RV-mass in BAHs pinpoints a racial susceptibility to myocardial hypertrophy. Finally, in a subset of patients with RAAs assays (n = 43), the aldosterone/renin ratio was higher in BAHs than WHs (67.04 [IQR: 19.37-209.73] vs 13.77 [IQR: 7.47-40.43], P = 0.01).
Conclusion – BAHs have heightened LV remodelling than WHs because of racial predisposition to develop hypertrophy which also encompasses derangements in RAAs. Altogether, these findings may account for the greater risk for HF in BAHs than WHs.
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Bagga N, Reddy KK, Mohamed A, Panigrahy N, Chirla DK. Quality improvement initiative to decrease extrauterine growth restriction in preterm neonates. Nutr Clin Pract 2021; 36:1296-1303. [PMID: 34245467 DOI: 10.1002/ncp.10735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND Prevention of extrauterine growth restriction (EUGR) in preterm neonates is one of the biggest challenges to neonatologists. Lack of uniformity and inconsistency in nutrition practices are the most common causes. We started a quality improvement (QI) initiative with an intention to decrease the proportion of EUGR. METHODS We performed prospective nonrandomized QI from May 2018 to July 2019. Ninety-six neonates (born at <32 weeks and/or <1.2 kg) were compared with 111 historical controls. A continuous feedback loop was maintained, and changes were analyzed as plan-do-study-actcycle. RESULTS Although EUGR was lower after the intervention (93.7% vs 87.5%), this change was not statistically significant. However, other measures of in-hospital neonatal growth showed improvement, including median discharge weight percentile from 1% to 3% (P = .003). Median difference in the z-score for weight from birth to discharge also improved significantly from -1.84 to -1.65 (P = .04). Babies in the intervention group regained birth weight earlier (P = .005) and had better growth velocity (P = .0005). The feeding was started early (P < .0001), and these babies reached full feeds (P < .0001) earlier than the control cohort. CONCLUSION Although our QI initiative failed to achieve a significant reduction in EUGR, it did achieve a significant improvement in discharge weight percentile and difference in the z-score for weight at birth and during discharge from hospital. There was a significant improvement in growth velocity and an early regaining of birth weight. The implementation of written nutrition practice guidelines facilitated improved outcomes.
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Vempuluru VS, Jakati S, Godbole A, Mishra DK, Mohamed A, Kaliki S. Spectrum of AS-OCT features of ocular surface tumors and correlation of clinico-tomographic features with histopathology: a study of 70 lesions. Int Ophthalmol 2021; 41:3571-3586. [PMID: 34241759 DOI: 10.1007/s10792-021-01939-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Accepted: 06/18/2021] [Indexed: 11/27/2022]
Abstract
PURPOSE To assess the correlation between clinical and anterior segment optical coherence tomographic (AS-OCT) details and histopathological changes in various ocular surface lesions. METHODS Prospective case series of 70 lesions in 65 patients. RESULTS AS-OCT revealed epithelial changes in OSSN (n = 19; 44%), squamous papilloma (n = 3; 60%), nevus (n = 1; 33%), epithelial hyperplasia (n = 1; 33%), granular dystrophy (n = 1; 100%) and granulation tissue (n = 1; 100%); subepithelial changes in chronic inflammation (n = 4, 100%), lymphoma (n = 3; 100%) and arteriovenous malformation (n = 1; 100%); combined epithelial and subepithelial changes in OSSN (n = 24; 56%), squamous papilloma (n = 2; 40%), PEH (n = 3; 100%), nevus (n = 2; 67%), epithelial hyperplasia (n = 2; 67%), solar elastosis (n = 1; 100%), lobular capillary hemangioma (n = 1; 100%) and sebaceous carcinoma (n = 1; 100%). Epithelial involvement on AS-OCT paralleled the histopathological findings in 98% (n = 69) and subepithelial involvement in 83% (n = 58). The correlation of clinico-tomographic diagnosis with histopathology diagnosis was seen in 77% (n = 54) lesions. Sensitivity and specificity of AS-OCT as a diagnostic tool for detection of epithelial involvement were 100% and 92% and for subepithelial involvement was 98% and 100%, respectively. CONCLUSION The correlation between AS-OCT and histopathology features determining epithelial and subepithelial involvement is excellent. It is a useful adjunctive tool for the diagnosis of ocular surface lesions.
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Senthil S, Rai M, Mohamed A, Bagga B, Ramappa M. Outcomes of Ahmed Glaucoma Valve Implantation in Eyes with Pediatric Keratoplasty. Ophthalmol Glaucoma 2021; 5:94-100. [PMID: 34245924 DOI: 10.1016/j.ogla.2021.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2021] [Revised: 06/24/2021] [Accepted: 07/01/2021] [Indexed: 10/20/2022]
Abstract
PURPOSE This study aimed to assess the efficacy and safety of Ahmed glaucoma valve (AGV) (New World Medical Inc.) implantation in eyes with pediatric keratoplasty and glaucoma. DESIGN Retrospective, noncomparative, interventional case series. PARTICIPANTS Twenty-eight eyes of 25 children who underwent AGV after penetrating keratoplasty (PK) in 22 eyes and Descemet's stripping endothelial keratoplasty (DSEK) in 6 eyes were included. METHODS Children (age ≤ 16 years) treated with AGV implant after keratoplasty from 2008 to 2019 with documented 6 months follow-up operated by a single surgeon were included. MAIN OUTCOME MEASURES The primary outcome measure was AGV survival (intraocular pressure [IOP] between 6 and 21 mmHg with or without topical anti-glaucoma medications [AGMs]), and the secondary outcome measure was corneal graft survival. RESULTS The mean age (± standard deviation) of patients at AGV surgery was 4.8 ± 0.7 years. The mean follow-up after AGV was 3.4 ± 0.5 years. The mean IOP decreased significantly from 31.5 ± 2.0 mmHg to 21.1 ± 2.3 mmHg at 6 months postsurgery (P < 0.001). The mean number of AGM decreased significantly (P < 0.001), and there was no change in mean visual acuity (P > 0.04 with Bonferroni correction). The cumulative survival probability of AGV was 92.9% ± 4.9% at 1 year and 81.3% ± 11.7% at 5 years. The AGV success was comparable between PK and DSEK eyes (P = 0.73). The cumulative probability of graft survival was 96.2% ± 3.8% at 1 year and 77.8% ± 9.1% at 5 years. The graft survival was also comparable between PK and DSEK eyes (P = 0.18). One eye needed tube trimming; none had tube or implant exposure. The major complication noted was corneal graft infection in 8 eyes (28.5%). CONCLUSIONS In this cohort, the long-term AGV success and graft survival outcomes are satisfactory considering that AGV was performed in complex eyes with keratoplasty.
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Kaliki S, Morawala A, Krishnamurthy A, Divya Jajapuram S, Mohamed A. Sebaceous Gland Carcinoma: Influence of Age at Presentation on Outcomes. Ophthalmic Plast Reconstr Surg 2021; 37:341-345. [PMID: 33237664 DOI: 10.1097/iop.0000000000001863] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
PURPOSE To assess the relationship between age at presentation and outcomes of patients with periocular sebaceous gland carcinoma. METHODS Retrospective case series of 241 patients. RESULTS Of 241 cases, 29 (12%) were young adults (≤40 years), 122 (51%) were middle-aged adults (41-60 years), and 90 (37%) were older adults (>60 years). Based on the eighth edition of American Joint Committee on Cancer, most tumors belonged to T1 category (n = 78, 32%) on presentation. Wide excisional biopsy was the most common treatment modality (n = 183, 79%). There were no statistically significant differences in the clinical presentation, treatment approaches, and histopathology features amongst different age groups, except pagetoid spread which was higher in middle-aged adults (61%, p = 0.004). The incidence of tumor recurrence was higher in older age group compared to younger age groups, with 5-year, 10-year Kaplan-Meier estimate at 31%, 31% in young adults, 38%, 38% in middle-aged adults, and 45%, 100% in older adults (p = 0.03), respectively. The 10-year Kaplan-Meier estimate rate of locoregional lymph node metastasis, systemic metastasis, and death was higher in young adults (51%, 48%, and 48%, respectively) compared to middle-aged (30%, 17%, and 12%, respectively) and older adults (24%, 25%, and 27%, respectively), but the differences were not statistically significant. CONCLUSIONS There is no difference in the clinical presentation of periocular sebaceous gland carcinoma based on age. However, the tumor recurrence rate is much higher in the older age group and death higher in younger patients despite the same treatment strategies in all age groups.
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