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Hussain SZM, Hashmi S, Qayyum A. Delayed extensive surgical emphysema after Valsalva manoeuvre post Eustachian tuboplasty. J Laryngol Otol 2023; 137:1293-1296. [PMID: 37194501 DOI: 10.1017/s0022215123000865] [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] [Indexed: 05/18/2023]
Abstract
OBJECTIVE This paper reports a case of balloon Eustachian tuboplasty with delayed presentation of extensive surgical emphysema. METHODS This is a clinical case report with a review of literature. RESULTS Eustachian tube dysfunction is a functional disorder that results in inadequate middle-ear ventilation, causing aural fullness and tinnitus. A 36-year-old male presented with the sudden onset of an isolated, painful, left-sided neck swelling. The patient underwent balloon Eustachian tuboplasty, which was uneventful, but subsequently developed a sudden onset of isolated left-sided neck swelling on the 5th post-operative day during Valsalva manoeuvre. Neck examination revealed extensive crepitus on the left side of the neck. Examination findings were confirmed by imaging. The patient was conservatively managed and subsequently discharged home. CONCLUSION Balloon Eustachian tuboplasty is a safe procedure; however, extra care must be taken to avoid possible complications. Patients should be counselled against Valsalva manoeuvre and heavy weightlifting. They also should be instructed to sneeze with an open mouth and consider the use of stool softeners.
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Affiliation(s)
- S Z M Hussain
- ENT Department, Peterborough City Hospital, Peterborough, UK
| | - S Hashmi
- ENT Department, Peterborough City Hospital, Peterborough, UK
| | - A Qayyum
- ENT Department, Peterborough City Hospital, Peterborough, UK
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2
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Zeiser R, Russo D, Ram R, Hashmi S, Chakraverty R, Moritz Middeke J, Giebel S, Sarkar R, Gowda M, Gunes S, Stefanelli T, Lee SJ, Teshima T, Locatelli F. P1389: RUXOLITINIB DEMONSTRATES A GREATER CORTICOSTEROID-SPARING EFFECT THAN BEST AVAILABLE THERAPY IN PATIENTS WITH CORTICOSTEROID-REFRACTORY/DEPENDENT CHRONIC GRAFT-VS-HOST DISEASE. Hemasphere 2022. [PMCID: PMC9429566 DOI: 10.1097/01.hs9.0000848416.66197.62] [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] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
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3
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Valdivia D, Singhal P, Hashmi S, Patel S, Kingsford P, Lee R, Vaidya A, Wolfson A, DePasquale E. Heart Transplant Outcomes and Trends in Pre-Transplant Impella Use. J Heart Lung Transplant 2022. [DOI: 10.1016/j.healun.2022.01.1651] [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] Open
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4
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Bhojwani D, Javed H, Amala C, Hashmi S. 330 An End to Doctor’s Handwriting in the Digital Age: Evaluating the Legibility of Operation Notes in Otolaryngology. Br J Surg 2022. [DOI: 10.1093/bjs/znac039.219] [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: 11/13/2022]
Abstract
Abstract
According to GMC Good Medical Practice, clinicians must record their work ‘clearly, accurately and legibly’. Operation notes are no exception and have several key functions. They serve reminder of procedural events, communicate information to the wider team and may be used as evidence when there are complications or complaints.
The aim of this audit was to evaluate the legibility of operation notes within the Otolaryngology department at Peterborough City Hospital.
Handwritten operation notes were audited from 8 dates chosen at random over a 2-month period (n = 27). Multiple surgeons and a variety of operations were included. Parameters such as legibility of the surgeon’s name, patient identification, date, name of procedure, events, findings, closure and post-op instructions were recorded.
Only 11% of the operation notes were legible in all relevant parameters. The surgeon’s name was either absent or not identifiable from the handwriting in 48%. Documentation of the procedure itself and post-op instructions was illegible in 18% and 29% of notes respectively.
Illegibility of operation notes is ultimately a patient safety-issue. Not only does it contribute to confusion about what happened during the surgery but also leaves room for error in terms of post-operative care and follow up. The results of the audit were discussed as part of a departmental meeting to highlight the importance of readable operation notes and help foster a culture of good record keeping.
A switch to computerised operation notes could ensure legibility and thus improve standards of patient care in the hospital.
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Affiliation(s)
- D. Bhojwani
- Peterborough City Hospital, Peterborough, United Kingdom
| | - H. Javed
- Peterborough City Hospital, Peterborough, United Kingdom
| | - C. Amala
- Peterborough City Hospital, Peterborough, United Kingdom
| | - S. Hashmi
- Peterborough City Hospital, Peterborough, United Kingdom
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5
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Pandey A, Hashmi S, Salunkhe G, Kathirvelu V, Singh KS, Singh Chauhan R, Sengupta A. Tuning the extraction mechanism of uranyl ion in bicyclooctanium, propylpyridinium, piperidinium and imidazolium based ionic liquids: First ever evidence of 'cation exchange', 'anion exchange' and 'solvation' mechanism. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116435] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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6
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Abarca P, Li J, Saffarian M, Patel S, Hashmi S, Nattiv J, Fong M, Pizula J, Banankhah P, Vaidya A, Wolfson A, DePasquale E. Outcomes in Heart Transplant (HT) in Patients Receiving Inotropes Following UNOS Heart Allocation Policy Changes. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.639] [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: 11/24/2022] Open
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7
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Nattiv J, Liu G, Hashmi S, Bradley C, Lum C, Salimbangon A, Vaidya A, Wolfson A, DePasquale E. Impact of Duration of Veno-Arterial Extra-Corporeal Membrane Oxygenation Cannulation on Post Transplant Survival Following the UNOS Allocation Policy Change. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.539] [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: 11/28/2022] Open
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8
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Liu G, Hashmi S, Bradley C, Vaidya A, Wolfson A, Eugene D. Post-Heart Transplant Outcomes by Recipient Working Status. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.744] [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: 11/24/2022] Open
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9
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Bradley C, Lee R, Hashmi S, Kingsford P, Vaidya A, Wolfson A, DePasquale E. Comparison of Intra-Aortic Balloon Pump Use and Survival before and after the 2018 UNOS Allocation Policy Change. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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10
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Hashmi S, Li J, Sharma A, Saffarian M, Bradley C, Vaidya A, Wolfson A, Depasquale E. Waitlist Outcomes for Heart Transplant Candidates before and after the 2018 UNOS Allocation Policy Change. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.729] [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: 11/24/2022] Open
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Saffarian M, Sharma A, Hashmi S, Li J, Miller S, Yang K, Wolfson A, Vaidya A, DePasquale E. Comparison of Six-Month Post-Transplant Survival before and after Implementation of the 2018 UNOS Allocation Policy Change. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.711] [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: 11/17/2022] Open
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12
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Li J, Kingsford P, Hashmi S, Onwuzurike J, Genyk P, Liu G, Saffarian M, Yang K, Abarca P, Singhal P, Sharma A, Miller S, Patel S, Miklin D, Lum C, Salimbangon A, Lee Jr R, Lee A, Nattiv J, Pizula J, Fong M, Grazette L, Rahman J, Pandya K, Wolfson A, DePasquale E, Vaidya A. One-year before and after UNOS Status Change Effect on ECMO as a Bridge to Heart Transplant. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.1943] [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: 10/21/2022] Open
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13
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Li J, Kingsford P, Liu G, Hashmi S, Abarca P, Saffarian M, Onwuzurike J, Genyk P, Pandya K, Grazette L, Fong M, Rahman J, DePasquale E, Vaidya A, Wolfson A. Waitlist Outcomes in Patients Supported with Extracorporeal Membrane Oxygenation before and after the UNOS Policy Allocation Change. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
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14
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Miklin D, Bradley P, Lee R, Singhal P, Miller S, Genyk P, Li J, Saffarian M, Hashmi S, Kingsford P, Patel S, Lum C, Salimbangon A, Wolfson A, Vaidya A, Depasquale E. Impact of UNOS Policy Allocation Change on Waitlist Outcomes in Patients Bridged to Heart Transplant with an Intra-Aortic Balloon Pump. J Heart Lung Transplant 2021. [DOI: 10.1016/j.healun.2021.01.782] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
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15
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Hashmi S, Buckley G, Hughbanks L, Flotow A, Friesen C. Comparison of the Rate of Overweight or Obesity among Veterans and Non-Veterans with and without a Known Depressive Disorder: An Examination of the 2018 BRFSS Data. J Acad Nutr Diet 2020. [DOI: 10.1016/j.jand.2020.06.183] [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: 10/23/2022]
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16
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Kingsford P, Li J, Wolfson A, Nattiv J, Liu G, Genyk P, Banankhah P, Chand R, Vucicevic D, Pandya K, Hashmi S, Nuno S, Vaidya A, DePasquale E. Heart Transplantation Outcomes in Multiorgan Transplants. J Heart Lung Transplant 2020. [DOI: 10.1016/j.healun.2020.01.570] [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: 10/24/2022] Open
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17
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Hassanein M, Elhassan T, Hashmi S. Secondary AML patients with poor risk cytogenetics have a high risk of death post allogeneic stem cell transplantation in absence of chronic GVHD. Leuk Res 2019. [DOI: 10.1016/s0145-2126(19)30248-6] [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: 10/25/2022]
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18
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Pervez M, Hashmi S, Aahil A, Manji A, Mushtaq H, Fatimi S. REOPERATION RATES FOR OPEN AND VIDEO-ASSISTED THORACOSCOPIC DECORTICATION: ARE EMPYEMA TUBES THE ANSWER? Chest 2019. [DOI: 10.1016/j.chest.2019.02.050] [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: 11/27/2022] Open
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19
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Grandner M, Mullington J, Hashmi S, Redeker N, Watson N, Morgenthaler T. 0867 Sleep Duration and Hypertension among >700,000 Adults by Age and Sex: A Report of the National Healthy Sleep Awareness Project. Sleep 2018. [DOI: 10.1093/sleep/zsy061.866] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
| | | | - S Hashmi
- American Academy of Sleep Medicine, Darien, IL
| | | | - N Watson
- University of Washington, Seattle, WA
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20
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Radivoyevitch T, Millard H, Shaw B, Brazauskas R, Savani B, Flowers M, Battiwalla M, Hamilton B, Sekeres M, Maciejewski J, Litzow M, Gale R, Dean R, Hashmi S. Autotransplants for Lymphoid Neoplasms Increase the Risks of MDS More Than AML. Leuk Res 2017. [DOI: 10.1016/s0145-2126(17)30404-6] [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: 11/26/2022]
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21
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Dias AL, Hashmi S, Hogan W, Baig N, Wakefield L, Kreuter J, Gandhi MJ. The 'HLA conundrum in bone marrow transplantation': correct interpretation of anti-HLA antibodies in haploidentical donor selection. Bone Marrow Transplant 2017; 52:902-904. [DOI: 10.1038/bmt.2017.13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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22
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Malik Z, Bayman L, Valestin J, Rizvi-Toner A, Hashmi S, Schey R. Dronabinol increases pain threshold in patients with functional chest pain: a pilot double-blind placebo-controlled trial. Dis Esophagus 2017; 30:1-8. [PMID: 26822791 DOI: 10.1111/dote.12455] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Noncardiac chest pain is associated with poor quality of life and high care expenditure. The majority of noncardiac chest pain is either gastresophageal reflux disease related or due to esophageal motility disorders, and the rest are considered functional chest pain (FCP) due to central and peripheral hypersensitivity. Current treatment of FCP improves 40-50% of patients. Cannabinoid receptors 1 (CB1) and 2 (CB2) modulate release of neurotransmitters; CB1 is located in the esophageal epithelium and reduces excitatory enteric transmission and potentially could reduce esophageal hypersensitivity. We performed a prospective study to evaluate its effects on pain threshold, frequency, and intensity in FCP. Subjects with FCP received dronabinol (5 mg, twice daily; n = 7; average age, 44 years; mean body mass index, 26.7) or placebo (n = 6; average age, 42 years; mean body mass index, 25.9) for 28 days (4 weeks). Chest pain, general health, and anxiety/depression questionnaires were assessed at baseline and at 4 weeks. Subjects underwent an esophageal balloon distention test prior to treatment and on last day of the study. Dronabinol increased pain thresholds significantly (3.0 vs. 1.0; P = 0.03) and reduced pain intensity and odynophagia compared to placebo (0.18 vs. 0.01 and 0.12 vs. 0.01, respectively, P = 0.04). Depression and anxiety scores did not differ between the groups at baseline or after treatment. No significant adverse effects were observed. In this novel study, dronabinol increased pain threshold and reduced frequency and intensity of pain in FCP. Further, large scale studies are needed to substantiate these findings.
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Affiliation(s)
- Z Malik
- Section of Gastroenterology, Temple University Hospital, Philadelphia, Pennsylvania, USA
| | - L Bayman
- Division of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - J Valestin
- Division of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - A Rizvi-Toner
- Division of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - S Hashmi
- Division of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
| | - R Schey
- Section of Gastroenterology, Temple University Hospital, Philadelphia, Pennsylvania, USA.,Division of Gastroenterology, University of Iowa Hospitals and Clinics, Iowa City, Iowa, USA
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23
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Chen YB, Wang T, Hemmer MT, Brady C, Couriel DR, Alousi A, Pidala J, Urbano-Ispizua A, Choi SW, Nishihori T, Teshima T, Inamoto Y, Wirk B, Marks DI, Abdel-Azim H, Lehmann L, Yu L, Bitan M, Cairo MS, Qayed M, Salit R, Gale RP, Martino R, Jaglowski S, Bajel A, Savani B, Frangoul H, Lewis ID, Storek J, Askar M, Kharfan-Dabaja MA, Aljurf M, Ringden O, Reshef R, Olsson RF, Hashmi S, Seo S, Spitzer TR, MacMillan ML, Lazaryan A, Spellman SR, Arora M, Cutler CS. GvHD after umbilical cord blood transplantation for acute leukemia: an analysis of risk factors and effect on outcomes. Bone Marrow Transplant 2016; 52:400-408. [PMID: 27941764 PMCID: PMC5332289 DOI: 10.1038/bmt.2016.265] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Revised: 08/12/2016] [Accepted: 08/28/2016] [Indexed: 11/15/2022]
Abstract
Using the Center for International Blood and Marrow Transplant Research (CIBMTR) registry, we analyzed 1,404 UCBT patients [single (< 18 years) = 810, double (≥ 18 years) = 594] with acute leukemia to define the incidence of acute and chronic graft-vs.-host disease (GVHD), analyze clinical risk factors and investigate outcomes. After single UCBT, 100-day incidence of grades II–IV aGVHD was 39% (95% CI, 36–43%), grades III–IV aGVHD was 18% (95% CI, 15–20%), and 1-year cGVHD was 27% (95% CI, 24–30%). After double UCBT, 100-day incidence of grades II–IV aGVHD was 45% (95% CI, 41%–49%), grades III–IV aGVHD was 22% (95% CI, 19–26%), and 1-year cGVHD was 26% (95% CI, 22–29%). For single UCBT, multivariate analysis showed that absence of anti-thymocyte globulin (ATG) was associated with aGVHD, whereas prior aGVHD was associated with cGVHD. For double UCBT, absence of ATG and myeloablative conditioning were associated with aGVHD, while prior aGVHD predicted for cGVHD. Grades III–IV aGVHD led to worse survival whereas cGVHD had no significant effect on disease-free or overall survival. GVHD is prevalent after UCBT with severe aGVHD leading to higher mortality. Future research in UCBT should prioritize prevention of GVHD.
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Affiliation(s)
- Y-B Chen
- Massachusetts General Hospital, Boston, MA, USA
| | - T Wang
- Center for International Blood and Marrow Transplant Research, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA.,Division of Biostatistics, Institute for Health and Society, Medical College of Wisconsin, Milwaukee, WI, USA
| | - M T Hemmer
- Center for International Blood and Marrow Transplant Research, Department of Medicine, Medical College of Wisconsin, Milwaukee, WI, USA
| | - C Brady
- Center for International Blood and Marrow Transplant Research, National Marrow Donor Program/Be The Match, Minneapolis, MN, USA
| | - D R Couriel
- Utah Blood and Marrow Transplant Program, Adults, Salt Lake City, UT, USA
| | - A Alousi
- Division of Cancer Medicine, Department of Stem Cell Transplantation, University of Texas MD Anderson Cancer Center, Houston, TX, USA
| | - J Pidala
- H Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - A Urbano-Ispizua
- Department of Hematology, Hospital Clinic, University of Barcelona, IDIBAPS and Institute of Research Josep Carreras, Barcelona, Spain
| | - S W Choi
- The University of Michigan, Ann Arbor, MI, USA
| | - T Nishihori
- Department of Blood and Marrow Transplantation, H Lee Moffitt Cancer Center and Research Institute, Tampa, FL, USA
| | - T Teshima
- Kyushu University Hospital, Fukuoka, Japan
| | - Y Inamoto
- Division of Hematopoietic Stem Cell Transplantation, National Cancer Center Hospital, Tokyo, Japan
| | - B Wirk
- Division of Bone Marrow Transplant, Seattle Cancer Care Alliance, Seattle, WA, USA
| | - D I Marks
- Adult Bone Marrow Transplant, University Hospitals Bristol NHS Trust, Bristol, UK
| | - H Abdel-Azim
- Division of Hematology, Oncology and Blood and Marrow Transplantation, Children's Hospital Los Angeles, University of Southern California Keck School of Medicine, Los Angeles, CA, USA
| | - L Lehmann
- Dana-Farber Cancer Institute/Boston Children's Hospital, Boston, MA, USA
| | - L Yu
- Division of Hematology/Oncology and HSCT, The Center for Cancer and Blood Disorders, Children's Hospital/Louisiana State University Medical Center, New Orleans, LA, USA
| | - M Bitan
- Department of Pediatric Hematology/Oncology, Tel-Aviv Sourasky Medical Center, Tel-Aviv, Israel
| | - M S Cairo
- Division of Pediatric Hematology, Oncology and Stem Cell Transplantation, Department of Pediatrics, New York Medical College, Valhalla, NY, USA
| | - M Qayed
- Department of Pediatrics, Emory University School of Medicine, Atlanta, GA, Australia
| | - R Salit
- Fred Hutchinson Cancer Research Center, Seattle, WA, USA
| | - R P Gale
- Hematology Research Centre, Division of Experimental Medicine, Department of Medicine, Imperial College London, London, UK
| | - R Martino
- Division of Clinical Hematology, Hospital de la Santa Creu I Sant Pau, Barcelona, Spain
| | - S Jaglowski
- Division of Hematology, The Ohio State University Medical Center, Columbus, OH, USA
| | - A Bajel
- Royal Melbourne Hospital City Campus, Melbourne, Victoria, Australia
| | - B Savani
- Division of Hematology/Oncology, Department of Medicine, Vanderbilt University Medical Center, Nashville, TN, USA
| | - H Frangoul
- Division of Hematology-Oncology, Department of Pediatrics, Vanderbilt University School of Medicine, Nashville, TN, USA
| | - I D Lewis
- Haematology and Bone Marrow Transplant Unit, Royal Adelaide Hospital, Adelaide, South Australia, Australia
| | - J Storek
- Department of Medicine, University of Calgary, Calgary, Alberta, Canada
| | - M Askar
- Baylor University Medical Center, Dallas, TX, USA
| | - M A Kharfan-Dabaja
- Department of Blood and Marrow Transplantation, H Lee Mofitt Cancer Center and Research Institute, Tampa, FL, USA
| | - M Aljurf
- Department of Oncology, King Faisal Specialist Hospital Center and Research, Riyadh, Saudi Arabia
| | - O Ringden
- Division of Therapeutic Immunology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.,Centre for Clinical Research Sormland, Uppsala University, Uppsala, Sweden
| | - R Reshef
- Blood and Marrow Transplantation Program and Columbia Center for Translational Immunology, Columbia University Medical Center, New York, NY, USA
| | - R F Olsson
- Division of Therapeutic Immunology, Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.,Centre for Clinical Research Sormland, Uppsala University, Uppsala, Sweden
| | - S Hashmi
- Mayo Clinic Rochester, Rochester, MN, USA
| | - S Seo
- National Cancer Research Center, East Hospital, Kashiwa, Chiba, Japan
| | - T R Spitzer
- Massachusetts General Hospital, Boston, MA, USA
| | - M L MacMillan
- University of Minnesota Medical Center, Fairview, Minneapolis, MN, USA
| | - A Lazaryan
- University of Minnesota Medical Center, Fairview, Minneapolis, MN, USA
| | - S R Spellman
- Center for International Blood and Marrow Transplant Research, National Marrow Donor Program/Be The Match, Minneapolis, MN, USA
| | - M Arora
- Division of Hematology, Oncology, Transplantation, Department of Medicine, University of Minnesota Medical Center, Minneapolis, MN, USA
| | - C S Cutler
- Center for Hematologic Oncology, Department of Medical Oncology, Dana-Farber Cancer Institute, Boston, MA, USA
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Damlaj M, Bartoo G, Cartin-Ceba R, Gijima D, Alkhateeb HB, Merten J, Hashmi S, Litzow M, Gastineau D, Hogan W, Patnaik MM. Corticosteroid use as adjunct therapy for respiratory syncytial virus infection in adult allogeneic stem cell transplant recipients. Transpl Infect Dis 2016; 18:216-26. [PMID: 26909896 DOI: 10.1111/tid.12513] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [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: 08/20/2015] [Revised: 11/12/2015] [Accepted: 12/20/2015] [Indexed: 11/30/2022]
Abstract
BACKGROUND Respiratory syncytial virus (RSV) infection causes significant morbidity and mortality in allogeneic stem cell transplant (allo-SCT) recipients. Although ribavirin and immunoglobulins are common components of therapy, the role of adjunct corticosteroids is not established. OBJECTIVES We sought to evaluate corticosteroid utilization in the setting of post-allo-SCT RSV infection in our center and assess post-transplant outcomes including pulmonary function decline. METHODS Patients with a history of RSV infection from 2008 to 2014 seen at our institution were identified. Treatment and outcome data were retrospectively collected. Forced expiratory volume at 1 s (FEV1) and carbon monoxide diffusion capacity (DLCO) were collected pre- and post-RSV infection. RESULTS During the observation period, RSV was isolated in 53 of 552 patients undergoing allo-SCT (10%) and 45 had evaluable therapy data. RSV-related mortality in this cohort was 4/45 (9%). Twenty-one (47%) were on corticosteroids prior to RSV diagnosis, of whom 11 (24%) had a dose increase post symptom onset. Eight (18%) patients were started on corticosteroids at the time of RSV infection. Corticosteroid therapy at symptom onset was associated with a higher rate of upper respiratory infection (URTI) to lower respiratory infection (LRTI) progression risk ratio (RR) 2.49 (1.21-5.13; P = 0.016), hospital admission RR 2.05 (1.24-3.37; P = 0.005), or intensive care unit admission RR 2.91 (1.89-5.01; P = 0.002). No significant difference was seen with FEV1 and DLCO decline (P = 0.3 and 0.24, respectively) or mortality (P = 0.26). CONCLUSION Adjunct corticosteroid use in the setting of RSV infection did not improve RSV-related outcomes including long-term pulmonary function. Our results do not support the routine use of corticosteroids; however, this finding does need to be verified in a larger cohort of patients.
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Affiliation(s)
- M Damlaj
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - G Bartoo
- Department of Pharmacy Services, Mayo Clinic, Rochester, Minnesota, USA
| | - R Cartin-Ceba
- Division of Pulmonary and Critical Care Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - D Gijima
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - H B Alkhateeb
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - J Merten
- Department of Pharmacy Services, Mayo Clinic, Rochester, Minnesota, USA
| | - S Hashmi
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - M Litzow
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - D Gastineau
- Division of Laboratory Medicine and Pathology, Mayo Clinic, Rochester, Minnesota, USA
| | - W Hogan
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
| | - M M Patnaik
- Division of Hematology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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Pabst L, Tran Y, Hashmi S, Butler I, Numan M. Perfusion of muscle groups during HUTT in patients with dysautonomia. Auton Neurosci 2015. [DOI: 10.1016/j.autneu.2015.07.205] [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: 10/23/2022]
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Ahmed I, Hashmi S, Tanwir F, Ahmed S, Khan MS. Tuberculosis--frequency and differential diagnosis--analysis of cases in Pakistan. Oral Health Dent Manag 2014; 13:768-771. [PMID: 25284555] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
BACKGROUND Tuberculosis is highly prevalent in Pakistan and the numbers are on increase each year. Cervical lymphadenopathy, a common finding in tuberculosis and other inflammatory, infectious and malignant etiologies, is commonly encountered in hospital setting in Karachi, Pakistan. Signs and symptoms of tuberculosis are blood tinged sputum, weight loss, night sweats, loss of appetite and weakness. A through history, complete physical examination and investigations are needed to diagnose tuberculosis. OBJECTIVE To determine the burden of tuberculosis in cases of cervical lymphadenopathy and to find the most common etiologies of cervical lymphadenopathy in hospital setup in Karachi, Pakistan. METHODS AND MATERIALS Patients with cervical lymphadenopathy attending the surgical outpatient department of Jinnah Post Graduate Center, Karachi, Pakistan were conveniently sampled for this study without age and gender limitations. This cross sectional, descriptive study was conducted from January 2010 to January 2011. RESULTS A total of 250 patient cases with cervical lymphadenopathy were studied. The age group with the highest number of patients was between 21 to 40 years, which included 97 females and 21 males. The patients with unilateral single cervical lymph node swelling were found to be 13.2%, while 86.8 % patients had multiple bilateral lymph node swellings. Tuberculosis was found in majority of patients, 63.6% followed by inflammatory hyperplasia which was present in 28.4% patients, other causes included lymphoma 5.2% and metastasis 2.8%. CONCLUSION Tuberculosis is the most common etiology of cervical lymphadenopathy, followed by inflammatory hyperplasia, lymphoma and metastasis.
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Affiliation(s)
| | | | - F Tanwir
- Department of Periodontology, Ziauddin Medical University,Pakistan; Tel: 0092-21-35379381; e-mail:
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Jhaveri K, Teplinsky E, Arzu R, Giashuddin S, Sarfraz Y, Alexander M, Darvishian F, Silvera D, Levine PH, Hashmi S, Hoffman HJ, Paul L, Singh B, Goldberg JD, Hochman T, Formenti S, Valeta A, Moran MS, Schneider RJ. Abstract PD5-6: Sustained hyperactivated mTOR & JAK2/STAT3 pathways in inflammatory breast cancer (IBC): Evidence for mTOR plus JAK2 therapeutic targeting. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-pd5-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: IBC is an aggressive form of breast cancer with poor prognosis. Combined multi-modality therapy results in a 5 year OS of 30%, underscoring the unmet need for targeted therapy. Our preclinical research in cell lines & xenograft tumor models has identified a role for hyper-activated PI3K/mTOR signaling in IBC. IBC cells express IL-6 and IL-8, which recruit tumor activated macrophages (TAMs) that further induce inflammatory cytokines and activate the JAK2/STAT3 pathway. We investigated the independent and combined activity of these pathways in IBC patient tissues.
Methods: Archived tissue specimens of 42 IBC patients (dx 1999-2009) and 27 non-IBC patients (dx 2001-2005) with invasive ductal carcinoma (IDC) were obtained. Surrounding non-tumor normal tissue from IBC (companion controls) was also utilized. All specimens were analyzed using immunohistochemistry (IHC) and scored by 3 independent pathologists. Results were defined as 0 = negative; 1+,2+ = positive for activated mTOR (P-S6); activated JAK2/STAT3 (P-JAK2; P-STAT3); cytokine (IL-6); macrophage infiltration (CD68) and TAM (CD163). Proportions of IBC cases with positive expression were compared with non-IBC cases (Fisher's exact test) & companion controls (McNemar's test). Clinical & survival data were obtained.
Results: Median age at diagnosis: 46 yrs (31-62) in early stage IBC [EIBC] (n = 37) & 41 yrs (29-57) in pts with de novo metastatic IBC [MIBC] (n = 5). In EIBC, 19/36: HER2+ (1 unk); 8/19: ER+/HER2+; 8/36: ER-/HER2-. In MIBC, all were ER- (1 unk) & 3/4 were HER2+ (1 unk). 88% were rx with neoadjuvant &/or adjuvant anthracycline & taxane w/o adjuvant trastuzumab. There were 24 pt deaths (5/5 MIBC). Median f/u for EIBC: 6.3 yrs and for MIBC: 3.4 yrs. Median OS: 81.4 mo (95% CI lower 48 mo) for EIBC & 41 mo (95% CI 8-81 mo) for MIBC. Median RFS: 18 mo (95% CI 18-79 mo) for 23 pts (13 NED; 1 unk). The non-IBC patients were all stage 2-3 with median age at diagnosis: 58 yrs (39-94). 19/27: ER+; 7/25 HER2+ (2 unk); 15/25 ER+/HER2-; 3/25 ER-/HER2-. 78% were rx with adjuvant anthracycline & taxane, 4% were rx with FEC and 18% did not receive adjuvant chemotherapy. 18% received adjuvant trastuzumab. Median f/u: 8.0 yrs. Median OS: not yet reached and median RFS: 111.3 mo (95% CI lower 34.5 mo). EIBC cases were compared with non-IBC cases & companion controls (Table 1). PS6, pJAK2 and pSTAT3 expression was significantly increased in IBC compared to non-IBC. Of the 29 EIBC patients with complete biomarker data who were PS6+, 28/29 (97%) were JAK2+, 15/29 (52%) were STAT3+, 26/29 (90%) were CD68+, 20/29 (69%) were CD163+ and 28/29 (97%) were IL6+.
Conclusion: This is the first study to validate preclinical findings & show a strong co-association between hyper-activation of mTOR & JAK/STAT pathways in most IBC patient tumors when compared to surrounding non-tumor tissue and non-IBC (IDC) tumors and tissues. These findings suggest a key role for dual blockade of mTOR & JAK/STAT pathways for IBC in phase I trials.
BiomarkerMcNemars p-value: Early Stage IBC vs companion controls (N = 37)Fishers p-value: Early stage IBC (N = 37)vs non-IBC (N = 27)PS6<0.00010.0315pJAK2<0.0001<0.0001pSTAT30.0003<0.0001CD163<0.00010.0908CD68<0.00010.0582IL60.00030.3882
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr PD5-6.
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Affiliation(s)
- K Jhaveri
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - E Teplinsky
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - R Arzu
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - S Giashuddin
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - Y Sarfraz
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - M Alexander
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - F Darvishian
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - D Silvera
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - PH Levine
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - S Hashmi
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - HJ Hoffman
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - L Paul
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - B Singh
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - JD Goldberg
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - T Hochman
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - S Formenti
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - A Valeta
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - MS Moran
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
| | - RJ Schneider
- New York University School of Medicine, New York, NY; The Brooklyn Hospital Center; The George Washington University; Yale University School of Medicine
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Hashmi S, Liu Y, Bethony J, Cristofanilli M, Levine PH. Abstract P5-13-06: Seasonal variation in onset of inflammatory breast cancer: Evidence of an infectious trigger. Cancer Res 2013. [DOI: 10.1158/0008-5472.sabcs13-p5-13-06] [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: 11/16/2022]
Abstract
Abstract
Introduction:
Inflammatory breast cancer (IBC) is a rare but extraordinarily aggressive disease with a number of studies indicating that environmental factors play the most important role. We have identified four reported clusters of IBC and our investigations thus far suggest that local toxic or infectious agents could be involved in the pathogenesis of the disease. IBC, like Burkitt's lymphoma (BL) has been reported to cluster and both have been implicated with infectious agents. Since BL has been reported to have a seasonal variation attributed to acute malaria symptoms as the precipitating agent, we decided to investigate the seasonality of IBC in two populations.
Methods:
For our analysis we used the datasets of two IBC referral groups. The first group consisted of a series of 163 consecutive cases of patients seen at Fox Chase Cancer Center (FCCC) almost all being from the Northeast U.S. (NE) and Canada. At the time of initial visit a detailed series of questions was specifically directed at identifying the accurate time of the first onset of symptoms/signs including skin rash, swelling, pain, nipple retraction and palpable mass. The second was the IBC registry (IBCR), established at the George Washington University with the purpose of collecting standardized clinical and epidemiologic data (including a detailed interview) and biospecimens from patients with IBC in the U.S and Canada. Complete data on patients in both groups were evaluated, including diagnostic workup, pathologic findings and treatment.
Results:
Of the 163 FCCC patients, 156 had the month of onset of symptoms clearly delineated. Of the 161 patients in the IBCR, 153 had month of symptomatic onset defined. In the combined groups, 181 NE patients were compared with 63 from the South. A seasonal pattern was noted in the NE patients, a bimodal pattern showing most patients with onset in March and July-Sept. No seasonal pattern was noted in patients from the South.
Conclusion:
The reports of IBC clusters are consistent with an acute triggering factor, possibly an infection. The seasonality we observed in NE patients but not in southern patients is consistent with this hypothesis. We are currently continuing to investigate clusters of IBC and are testing for specific candidate infectious agents as well as candidate environmental toxic agents to further understand possible triggers for this disease.
Citation Information: Cancer Res 2013;73(24 Suppl): Abstract nr P5-13-06.
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Affiliation(s)
- S Hashmi
- The School of Medicine and Health Sciences, The George Washington University, Washington, DC; The George Washington University School of Public Health and Health Sciences, Washington, DC; Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - Y Liu
- The School of Medicine and Health Sciences, The George Washington University, Washington, DC; The George Washington University School of Public Health and Health Sciences, Washington, DC; Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - J Bethony
- The School of Medicine and Health Sciences, The George Washington University, Washington, DC; The George Washington University School of Public Health and Health Sciences, Washington, DC; Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - M Cristofanilli
- The School of Medicine and Health Sciences, The George Washington University, Washington, DC; The George Washington University School of Public Health and Health Sciences, Washington, DC; Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
| | - PH Levine
- The School of Medicine and Health Sciences, The George Washington University, Washington, DC; The George Washington University School of Public Health and Health Sciences, Washington, DC; Kimmel Cancer Center, Thomas Jefferson University, Philadelphia, PA
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Rizvi SAH, Sultan S, Zafar MN, Naqvi SAA, Lanewala AA, Hashmi S, Aziz T, Hassan AS, Ali B, Mohsin R, Mubarak M, Farasat S, Akhtar SF, Hashmi A, Hussain M, Hussain Z. Pediatric kidney transplantation in the developing world: challenges and solutions. Am J Transplant 2013; 13:2441-9. [PMID: 23865679 DOI: 10.1111/ajt.12356] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2012] [Revised: 05/07/2013] [Accepted: 05/21/2013] [Indexed: 01/25/2023]
Abstract
The prevalence of pediatric RRT and transplantation are low in developing countries, 6-12 and <1 to 5 per million child population (pmcp), respectively. This is due to low GDP/capita of <$10 000, government expenditure on health of <2.6-9% of GDP and paucity of facilities. The reported incidence of pediatric CKD and ESRD is <1.0-8 and 3.4-35 pmcp, respectively. RRT and transplantation are offered mostly in private centers in cities where HD costs $20-100/session and transplants $10 000-20 000. High costs and long distance to centers results in treatment refusal in up to 35% of the cases. In this backdrop 75-85% of children with ESRD are disfranchised from RRT and transplantation. Our center initiated an integrated dialysis-transplant program funded by a community-government partnership where RRT and transplantation was provided "free of cost" with life long follow-up and medication. Access to free RRT at doorsteps and transplantation lead to societal acceptance of transplantation as the therapy of choice for ESRD. This enabled us to perform 475 pediatric transplants in 25 years with 1- and 5-year graft survival of 96% and 81%, respectively. Our model shows that pediatric transplantation is possible in developing countries when freely available and accessible to all who need it in the public sector.
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Affiliation(s)
- S A H Rizvi
- Department of Urology, Sindh Institute of Urology and Transplantation, Dewan Farooq Medical Complex, Karachi, Pakistan
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Siddiqui M, Al-Kubati S, Telfah M, Rashid J, Hashmi S. Frequency and type of toenail tumors in the dromedary camel. Open Vet J 2013; 3:64-8. [PMID: 26623314 PMCID: PMC4629581] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2013] [Accepted: 05/19/2013] [Indexed: 11/12/2022] Open
Abstract
A total of 275 dromedary camels (16 males and 259 females) of local "Arabiyat" breed suffering from different types and degrees of severity of toenail tumors were surgically treated. Histopathological examination of the tissue samples removed from 50 tumor-like growths (2 males and 48 females) revealed three types of tumors; squamous cell carcinoma (70%), spiny keratoderma (22%) and fibroma (8%). An increased incidence of tumors was recorded in the medial when compared to the lateral toenails in both sexes. In females, the incidence in the medial toenails was 90/259 (34.75%) and 71/259 (27.41%) in the right and left forelimbs respectively when compared to the lateral toenails which was 25/259 (9.65%) and 5/259 (1.93%) for the respective right and left forelimbs. In the hind limbs, this ratio was 29/259 (11.20%) and 20/259 (7.72%) for right and left medial toenails respectively, whereas it was 17/259 (6.56%) and 2/259 (0.77%) for the right and left lateral toenails respectively. Similar to the observations in female camels, male camels also showed a higher incidence of these tumors in the medial when compared to the lateral toenails in both fore and hind limbs. Based on these findings, we conclude that in the dromedary camels, the medial toenails of the fore limbs are most commonly affected with tumors; with the most common tumor being the squamous cell carcinoma.
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Affiliation(s)
- M.I. Siddiqui
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates,Corresponding Author: Dr. Mazhar Iqbal Siddiqui. Central Veterinary Hospital, Al-Wathba, P. O. Box: 10829, Abu Dhabi, United Arab Emirates.
| | - S.A. Al-Kubati
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
| | - M.N. Telfah
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
| | - J. Rashid
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
| | - S. Hashmi
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
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Siddiqui S, Siddiqui M, Telfah M, Hashmi S. Fixation of metatarsal fracture with bone plate in a dromedary heifer. Open Vet J 2013; 3:17-20. [PMID: 26623307 PMCID: PMC4629582] [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] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2012] [Accepted: 02/11/2013] [Indexed: 11/13/2022] Open
Abstract
An oblique fracture of the distal third of the right metatarsus in a three-year-old dromedary heifer weighing about 300 kilograms was immobilized with a 4.5 mm broad-webbed 12-hole dynamic compression bone plate and two interfragmental compression screws. The animal showed slight lameness after 16 weeks of surgery that disappeared after removal of the plate. The result was quite encouraging and the fracture healed in 16 weeks without major complications. It is concluded that the fracture of this bone can be successfully handled with bone plating at least in young, light weight animals.
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Affiliation(s)
- S.A. Siddiqui
- Veterinary Hospital, Al-Qattara, Alain, United Arab Emirates
| | - M.I. Siddiqui
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates,Corresponding Author: Dr. Mazhar Iqbal Siddiqui. Central Veterinary Hospital, Al-Wathba, P. O. Box: 10829, Abu Dhabi, United Arab Emirates.
| | - M.N. Telfah
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
| | - S. Hashmi
- Central Veterinary Hospital, Al-Wathba, Abu Dhabi, United Arab Emirates
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Jimenez A, Rich E, Nathan S, Maciejewski J, Shammo J, Katz D, Braun E, Hashmi S, Fung H. Blast Percentage Prior to Transplantation Is the Strongest Predictive Factor for Survival After Allogeneic Hematopoietic Stem Cell Transplant (HSCT) in Patients with Myelodysplastic Syndrome (MDS). Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.379] [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: 10/14/2022]
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Hashmi S, Oliva J, Liesveld J, Phillips G, Nichols D, Milner L, Becker M. The Hematopoietic Cell Transplantation-Specific Comorbidity Index (HCT-CI) and Survival Following Extracorporeal Photopheresis, Pentostatin, and Reduced Dose Total Body Irradiation Conditioning. Biol Blood Marrow Transplant 2012. [DOI: 10.1016/j.bbmt.2011.12.365] [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: 11/26/2022]
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Hashmi S, Zolfaghari L, Levine PH. P2-05-09: Secondary Inflammatory Breast Cancer: A Possible Model for Post-Surgical Dissemination of Cancer. Cancer Res 2011. [DOI: 10.1158/0008-5472.sabcs11-p2-05-09] [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: 11/16/2022]
Abstract
Abstract
Background: The phenomenon of accelerated tumor growth following surgery has been observed repeatedly and merits further study. Inflammatory breast carcinoma (IBC) is widely recognized as an extremely aggressive malignancy characterized by micrometastasis at the time of diagnosis. It is fast growing, highly angiogenic and angioinvasive, features that are present from its inception. The idea of a dormant cancer cell and awakening of metastatic disease following a surgical/traumatic event may well be exemplified by secondary IBC, a term used to describe the IBC appearing following surgery for a noninflammatory primary breast carcinoma. One possible mechanism can be related to the stimulation of dormant micrometastasis through local angiogenesis occurring as part of posttraumatic healing. It is therefore possible that secondary IBC can be used as a model to support local angiogenesis as an important contributor to the development of an aggressive cancer.
Materials and Methods: Cases of secondary IBC were identified in a review of patients referred to the IBC Registry (IBCR). In this report we document the histories of three patients with secondary IBC as well as two additional patients whose disease presentation also supports the possible occurrence of IBC secondary to breast trauma. Secondary IBC cases were defined as women who had surgery for non-inflammatory breast cancer with recurrence at the previous mastectomy site manifest as skin erythema shown to be associated with pathologically confirmed tumor emboli in the dermal lymphatics.
Results: Two of the patients with secondary IBC developed pathologically confirmed dermal lymphatic invasion two and 42 months after partial mastectomy for non-inflammatory breast cancer. The third had been apparently free of recurrence for seven years when she had reconstructive surgery, which was followed by IBC seven months later. Two additional cases are presented, one in which IBC manifested one month following ductogram procedure and had a contralateral breast IBC recurrence 2 years later. The other patient was diagnosed with IBC one year following nipple piercing and ring removal.
Discussion: Recent publications have focused on the role of surgery in the subsequent development of metastatic breast cancer, many of them focusing on a hormonal mechanism triggered by removal of the primary tumor. We propose local angiogenesis as another possible mechanism for post-surgical dissemination of cancer. In view of the hypothesis that trauma can stimulate angiogenesis which can accelerate tumor growth, the documentation of IBC appearing at the site of a traumatic event merits consideration. Our experience with IBC, noted in the case reports above suggest that local trauma probably mediated in large part by angiogenesis can be an important trigger of IBC. We would therefore suggest that secondary IBC be considered for investigation of one possible mechanism for post-surgical tumor dissemination.
Citation Information: Cancer Res 2011;71(24 Suppl):Abstract nr P2-05-09.
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Affiliation(s)
- S Hashmi
- 1George Washington University, Washington, DC
| | | | - PH Levine
- 1George Washington University, Washington, DC
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Rees SD, Islam M, Hydrie MZI, Chaudhary B, Bellary S, Hashmi S, O'Hare JP, Kumar S, Sanghera DK, Chaturvedi N, Barnett AH, Shera AS, Weedon MN, Basit A, Frayling TM, Kelly MA, Jafar TH. An FTO variant is associated with Type 2 diabetes in South Asian populations after accounting for body mass index and waist circumference. Diabet Med 2011; 28:673-80. [PMID: 21294771 PMCID: PMC3095685 DOI: 10.1111/j.1464-5491.2011.03257.x] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
AIMS A common variant, rs9939609, in the FTO (fat mass and obesity) gene is associated with adiposity in Europeans, explaining its relationship with diabetes. However, data are inconsistent in South Asians. Our aim was to investigate the association of the FTO rs9939609 variant with obesity, obesity-related traits and Type 2 diabetes in South Asian individuals, and to use meta-analyses to attempt to clarify to what extent BMI influences the association of FTO variants with diabetes in South Asians. METHODS We analysed rs9939609 in two studies of Pakistani individuals: 1666 adults aged ≥40 years from the Karachi population-based Control of Blood Pressure and Risk Attenuation (COBRA) study and 2745 individuals of Punjabi ancestry who were part of a Type 2 diabetes case-control study (UK Asian Diabetes Study/Diabetes Genetics in Pakistan; UKADS/DGP). The main outcomes were BMI, waist circumference and diabetes. Regression analyses were performed to determine associations between FTO alleles and outcomes. Summary estimates were combined in a meta-analysis of 8091 South Asian individuals (3919 patients with Type 2 diabetes and 4172 control subjects), including those from two previous studies. RESULTS In the 4411 Pakistani individuals from this study, the age-, sex- and diabetes-adjusted association of FTO variant rs9939609 with BMI was 0.45 (95%CI 0.24-0.67) kg/m(2) per A-allele (P=3.0 × 10(-5) ) and with waist circumference was 0.88 (95% CI 0.36-1.41) cm per A-allele (P=0.001). The A-allele (30% frequency) was also significantly associated with Type 2 diabetes [per A-allele odds ratio (95%CI) 1.18 (1.07-1.30); P=0.0009]. A meta-analysis of four South Asian studies with 8091 subjects showed that the FTO A-allele predisposes to Type 2 diabetes [1.22 (95%CI 1.14-1.31); P=1.07 × 10(-8) ] even after adjusting for BMI [1.18 (95%CI 1.10-1.27); P=1.02 × 10(-5) ] or waist circumference [1.18 (95%CI 1.10-1.27); P=3.97 × 10(-5) ]. CONCLUSIONS The strong association between FTO genotype and BMI and waist circumference in South Asians is similar to that observed in Europeans. In contrast, the strong association of FTO genotype with diabetes is only partly accounted for by BMI.
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Affiliation(s)
- S D Rees
- College of Medical and Dental Sciences, University of Birmingham, Birmingham, UK
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Gordon J, Hashmi S, Hamilton R. SU-E-T-463: Utilizing the TG119 Assessment to Quantify Planning System Improvements. Med Phys 2011. [DOI: 10.1118/1.3612417] [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: 11/07/2022] Open
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Hashmi S, Rich ES, Basu S, Maciejewski JJ, Nathan S, Venugopal P, Gregory SA, Fung HC, Shammo JM. An analysis of high ferritin levels before allogeneic hematopoietic cell transplantation (AlloHCT): A retrospective study to evaluate prognostic factors in patients (pts) undergoing AlloHCT for myelodysplasia. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.6562] [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: 11/20/2022] Open
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Abstract
BACKGROUND There is limited and conflicting data regarding the role of esophageal hypersensitivity in the pathogenesis of functional chest pain (FCP). We examined esophageal sensori-motor properties, mechanics, and symptoms in subjects with FCP. METHODS Esophageal balloon distension test was performed using impedance planimetry in 189 (m/f = 57/132) consecutive subjects with non-cardiac, non-reflux chest pain, and 36 (m/f = 16/20) healthy controls. The biomechanical and sensory properties of subjects with and without esophageal hypersensitivity were compared with controls. The frequency, intensity, and duration of chest pain were assessed. KEY RESULTS One hundred and forty-three (75%) subjects had esophageal hypersensitivity and 46 (25%) had normal sensitivity. Typical chest pain was reproduced in 105/143 (74%) subjects. Subjects with hypersensitivity demonstrated larger cross-sectional area (P < 0.001), decreased esophageal wall strain (P < 0.001) and distensibility (P < 0.001), and lower thresholds for perception (P < 0.01), discomfort (P < 0.01), and pain (P < 0.01) compared to those without hypersensitivity or healthy controls. Chest pain scores (mean +/- SD) for frequency, intensity and duration were 2.5 +/- 0.3, 2.2 +/- 0.2, and 2.2 +/- 0.2, respectively, and were similar between the two patient groups. CONCLUSIONS & INFERENCES Seventy-five per cent of subjects with FCP demonstrate esophageal hypersensitivity. Visceral hyperalgesia and sensori-motor dysfunction of the esophagus play a key role in the pathogenesis of chest pain.
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Affiliation(s)
- I Nasr
- Department of Internal Medicine, University of Iowa Carver College of medicine, Iowa City, IA, USA
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Pham PCT, Dewar K, Hashmi S, Toscano E, Pham PMT, Pham PAT, Pham PTT. Pain prevalence in patients with chronic kidney disease. Clin Nephrol 2010; 73:294-299. [PMID: 20353737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023] Open
Abstract
BACKGROUND The prevalence of pain in patients with chronic kidney diseases (CKD) is not known. In the current study, we aim to determine the prevalence of pain in CKD patients and its associations with various medical and psychosocial factors. METHODS Consecutive CKD patients who were presented to the renal clinic at Olive View-UCLA Medical Center, a Los Angeles County tertiary referral center, over a 3-month period were interviewed on their medical and psychosocial histories and a history of pain including duration, severity and source. Chi2-testing for independence and binary logistic regression performed for the presence of pain and CKD stages as well as other medical and psychosocial factors were determined. A separate survey for pain was also done for 100 consecutive non-CKD patients who were presented to our ambulatory medicine clinic for routine care. RESULTS 54.6% of 130 patients with known CKD interviewed were women. Any type of pain of at least a 2 week duration was reported in 72.9%. The most common source of pain was musculoskeletal. The presence of pain of less than a 2 week duration was associated with worse CKD stages (3 - 5 versus 1 - 2) and non-exercisers. Higher body mass index was associated with having pain lasting longer than a 2 week duration. Among patients who had pain, 33.8% used acetaminophen, 15.4% nonsteroidal anti-inflammatory drugs and 7.8% combination analgesics. In contrast to CKD patients, only 9% of non-CKD patients reported to have any type or duration of pain. CONCLUSIONS Pain was much more prevalent among our CKD compared with non-CKD patients.
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Affiliation(s)
- P C T Pham
- Olive View-UCLA Medical Center, Department of Medicine, Nephrology Division, Sylmar, CA 91342, USA.
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Abstract
The pathophysiology of persistent gastrointestinal (GI) symptoms in patients with diabetic gastroparesis is poorly understood. Our aim was to evaluate gastric sensation and accommodation to a meal in patients with diabetic gastroparesis and refractory symptoms. We performed intermittent, phasic balloon distensions of the stomach using a gastric barostat device in 18 patients with diabetes and gastroparesis unresponsive to prokinetic therapy and in 13 healthy volunteers. We assessed the biomechanical, sensory and accommodation responses of the stomach, during fasting and after liquid meal. During balloon distension, the sensory thresholds for discomfort were lower (P < 0.02) in patients with diabetes than those in controls, in both the fasting and the postprandial states. The accommodation response to a meal was significantly impaired (P = 0.01) in patients with diabetes when compared to controls, although fasting gastric tone was similar (P = 0.08). Patients with diabetic gastroparesis and refractory GI symptoms demonstrate sensori-motor dysfunction of the stomach, comprising either impaired accommodation, gastric hypersensitivity or both. An objective evaluation of these biomechanical and sensory properties may provide valuable mechanistic insights that could guide therapy.
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Affiliation(s)
- A Kumar
- Department of Internal Medicine, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
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41
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Hashmi S, Poommipanit N, Kahwaji J, Bunnapradist S. Overview of renal transplantation. Minerva Med 2007; 98:713-729. [PMID: 18299684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
Kidney transplantation is the treatment of choice for end stage renal disease patients. Recent advances, including newer immunosuppressants, revision of organ allocation policies, and better medical care of renal transplant recipients, have resulted in an increase number of transplants with improved outcomes. The major obstacles include the lack of improvement in long term outcomes, shortage of organs and long-term morbidity of candidates with chronic kidney disease. This review highlights transplant immunology, organ allocation, immunosuppressive medications, and complications of transplantation involving post transplantation infections, diabetes, and cardiovascular disease.
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Affiliation(s)
- S Hashmi
- Department of Medicine, Division of Nephrology, UCLA Medical Center, Los Angeles, California, CA 90095-7306, USA
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Hashmi S, Black G, Bell D, Steg A, Johnson M, Diasio RB, Saif MW. Prognostication of pancreatic adenocarcinoma by expression of thymidine phosphorylase (TP) and its correlation with survival. J Clin Oncol 2007. [DOI: 10.1200/jco.2007.25.18_suppl.4606] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
4606 Background: Preclinical studies have indicated that TP is one of the most useful markers of tumor response to capecitabine; with elevated TP expression resulting in higher intratumor levels of 5-FU. TP level in the tumor may be associated directly with survival and may be up-regulated by XRT. Methods: Twenty patients (pts) who had newly diagnosed locally advanced pancreatic cancer, age ≥ 19 years, ECOG PS 0–2, and adequate organ function received 50.4 Gy XRT with capecitabine 1,600 mg/m2 M-F x 6 wks determined from our phase I study (JCO, Dec 2005). Following capecitabine-XRT, stable and responding pts received capecitabine 2,000mg/m2 x 14 days every 3 wks till progression. Restaging was performed every 9 wks. Tumor specimens were procured with EUS-FNA prior and week 2 after starting capecitabine-XRT to evaluate TP mRNA levels by RT-PCR. Results: TP levels were elevated post-XRT when compared to pre-XRT TP (p= 0.01). Each of the 20 pts had at least one observation of TP. Mean TP level of each pt was obtained by averaging the pre-XRT and post-XRT TP levels. If one value was missing, then the other value was used for the mean TP level. Mean TP level was significantly associated with survival using the Cox proportional hazards model (p= 0.0072). Pts were separated into two groups - those with high baseline TP level and those with lower TP level with a cut off value of 213.85 using median of mean TP level. It was observed that group with higher TP levels had better survival as compared to the group with lower TP levels. However, the survival curves of these two groups crossed over after 18 months. Conclusions: Our study suggests that the higher the TP level in tumor post-XRT, the better the survival. This is most probably due to a higher accumulation of 5-FU in tumor due to up-regulation of TP. Possible explanation for the two groups crossing over after 18 months may include heterogeneity in TP due to a difference in pharmacogenomics or idiosyncratic drug toxicity profile of capecitabine. Further studies of long-term effects of treatment with a larger number of pts are needed to study exact effects of capecitabine and XRT, and to evaluate the differential role of TP with survival. [Table: see text]
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Affiliation(s)
- S. Hashmi
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - G. Black
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - D. Bell
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - A. Steg
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - M. Johnson
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - R. B. Diasio
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
| | - M. W. Saif
- Griffin Hospital, Derby, CT; University of Alabama at Birmingham, Birmingham, AL; Mayo Clinic, Rochester, MN; Yale University School of Medicine, New Haven, CT
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Wenner DE, Whitwam P, Rosser J, Hashmi S, Wenner DE. A stone extraction facilitation device to achieve an improved technique for performing LCBDE. Surg Endosc 2004; 19:120-5. [PMID: 15531973 DOI: 10.1007/s00464-004-8130-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2004] [Accepted: 07/27/2004] [Indexed: 01/12/2023]
Abstract
BACKGROUND Laparoscopic common bile duct exploration (LCBDE) has proved to be a safe, cost-effective way to treat common bile duct (CBD) stones. Despite this, LCBDE has not gained widespread adoption by surgeons. The technique has proved difficult to master, and damage to the fragile choledochoscope by grasping forceps and passage through the port valves has been problematic. Cases involving large, impacted, or multiple stones have required conversion to open exploration of CBD. METHODS The Multichannel Instrument Guide (MIG) is introduced as a solution for these problems. The MIG is a J-shaped plastic extrusion with three lumens. It is flexible and can be straightened for insertion through a 10-mm port. The MIG facilitates insertion of a flexible 2.8- to 3.2-mm choledochoscope into the CBD. At the same time, additional tools such as balloon or irrigation catheters and lithotripters can be introduced into the CBD. These can be manipulated under video guidance via the choledochoscope. This procedural multitasking allows for a more efficient LCBDE. The authors describe their initial experience using the MIG for 23 patients. RESULTS Of the 23 patients who underwent LCBDE procedures, 20 had stones in the CBD. Multiple stones were present in 48% of the patients; impacted stones were present in 26% of the patients; and stones larger than 1 cm were present in 26% of the patients. A 95% stone clearance rate was achieved. Difficult cases with large, impacted or multiple stones were resolved using the MIG. Two choledochoscopes were damaged; one during surgery and one during cleaning and storage. CONCLUSIONS The MIG has demonstrated significant advantages over previously described techniques. The device secures biliary tract access and allows procedural multitasking while protecting the delicate and expensive equipment. Subsequently, a simplified technique algorithm can be followed that may encourage more surgeons to adopt the routine performance of LCBDE.
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Affiliation(s)
- D E Wenner
- Department of Surgery, Eastern New Mexico Medical Center, 405 West Country Club Road, Roswell, New Mexico 88201, USA.
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Rajnikant E, Gupta VK, Khan EH, Shafi S, Hashmi S, Shafiullah, Varghese B, Dinesh. Structure determination of 3β-acetoxy-cholest-5-ene-7-one—A steroid. CRYSTALLOGR REP+ 2002. [DOI: 10.1134/1.1446915] [Citation(s) in RCA: 2] [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: 11/22/2022]
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Rajnikant, Gupta VK, Khan EH, Shafi S, Hashmi S, Shafiullah, Varghese B, Dinesh. Crystal structure of cholest-4-ene-3,6-dione: A steroid. CRYSTALLOGR REP+ 2001. [DOI: 10.1134/1.1420827] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Rajnikant, Gupta VK, Kahn E, Shafi S, Hashmi S, Shafiullah, Varghese B, Dinesh. Crystallographic Investigations of 3β-acetoxy-5α-cholestan-6-one-semicarbazone - A Steroid. Zeitschrift für experimentelle und technische Kristallographie 2001. [DOI: 10.1002/1521-4079(200111)36:11<1281::aid-crat1281>3.0.co;2-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Abstract
The free-living nematode Caenorhabditis elegans is a tractable experimental model system for the study of both vertebrate and invertebrate biology. Its most significant advantages are its simplicity, both in anatomy and in genomic organization, and the elaborate methods that have been developed to attribute function to previously uncharacterized genes. Importantly, > 40% of parasitic nematode genes exhibit high levels of homology to genes within the C. elegans genome. Studying such genes using the C. elegans model should yield new insights into key molecules and their possible implications in parasite survival, leading to the discovery of new drug targets and vaccine candidates.
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Affiliation(s)
- S Hashmi
- Laboratory of Molecular Parasitology, Lindsley F. Kimball Research Institute, New York Blood Center, 310 East 67th Street, New York, NY 10021, USA
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Hashmi MA, Hashmi S. Anorectal malformations in female children--10 years experience. J R Coll Surg Edinb 2000; 45:153-8. [PMID: 10881480] [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: 02/16/2023]
Abstract
Despite enormous interest in the development of an ideal operative procedure to treat anorectal malformations, the situation is as confusing as it was 30 years ago. The reasons could be inconsistency of the nature of the lesions found in patients along with multi-system associated malformations primarily affecting the prognosis of available procedures. High imperforate anus is a complex anomaly that requires a combination of careful preservation of structures and precise anatomic reconstruction for optimal results. A retrospective study, comprising a consecutive sample of female children with anorectal malformations treated over a period of 10 years, is presented. Of 130 patients, 83% (n = 108) presented later than 3 months of age as they could pass stools through associated fistulae, of which the commonest type was found to be an ano- or recto-vestibular fistula (65%, n = 83). Ninety-four cases (72%) had what are traditionally known as "low" anorectal malformations (perineal fistulae, anteriorly placed anus and anorecto-vestibular fistulae). Ten percent (n = 14) had translevator, and 17% (n = 22) were found to have "high" lesions. Seventeen percent of patients (n = 22) had associated congenital malformations, predominantly in intermediate and high anorectal lesions, 40% of which pertained to the urogenital system. In total, 137 definitive operative procedures were done including Mollard's anterior perineal approach in 81 patients and posterior sagittal anorecto plasty (PSARP) in 38, enabling a comparison to be made of the functional results and complications in the two groups. Out of 24 post-operative complications noted in the series, 17 were found in the group who had Mollard's procedure carried out (including 3 deaths) as compared with 7 in these cases who had PSARP (two-sided P utilizing Fisher's exact test = 0.475).
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Affiliation(s)
- M A Hashmi
- Department of Surgery, Army Medical College, Rawalpindi, Pakistan.
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Abstract
A patient is described who suffered a greatly delayed reappearance of a cerebellar abscess, 20 years after excision, in childhood, of a midline dermoid cyst with associated abscess formation. A similar organism was cultured on both occasions.
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Affiliation(s)
- S Hashmi
- Department of Neurosurgery, Hope Hospital, Manchester, UK
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Abstract
A heat-shock response is induced when cells are exposed to temperatures slightly higher than their optimal physiological temperature. This response is based on the synthesis of heat-shock proteins encoded by the heat-shock genes. A correlation between the increased thermotolerance and production of 70-kDa heat-shock protein (hsp70) has been observed in many organisms. We tested this hypothesis by transferring a Caenorhabditis elegans heat-inducible hsp70 A-encoding gene into the entomopathogenic nematodes Heterorhabditis bacteriophora Hp88. Successful transformation of the gene was confirmed by Southern blot hybridization and polymerase chain reaction. Our blot studies showed that the transgenic nematodes contained five to ten copies per genome of the introduced hsp70 A gene. hsp70 mRNA transcripts were detected in both wild-type and transgenic nematodes. Transcripts increased severalfold in transgenic nematodes upon heat shock. Infective juveniles of both transgenic and wild-type nematodes that exposed to a sublethal heat treatment (35 degrees C) for 2 h followed by a normally lethal heat treatment (40 degrees C) for 1 h. More than 90% of transgenic nematodes survived heat treatment, compared to 2% to 3% of the wild-type strain. Our observations establish that overexpression of hsp70 A gene resulted an enhanced thermotolerance in the transgenic nematodes. The transgenic nematodes displayed normal growth and development.
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Affiliation(s)
- S Hashmi
- Department of Entomology, Rutgers University, New Brunswick, New Jersey 08903-0231, USA.
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