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Chaudhury S, Hormaza L, Mohammad S, Lokar J, Ekong U, Alonso EM, Wainwright MS, Kletzel M, Whitington PF. Liver transplantation followed by allogeneic hematopoietic stem cell transplantation for atypical mevalonic aciduria. Am J Transplant 2012; 12:1627-31. [PMID: 22405037 DOI: 10.1111/j.1600-6143.2011.03989.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
Mevalonic aciduria because of mutations of the gene for mevalonate kinase causes limited synthesis of isoprenoids, the effects of which are widespread. The outcome for affected children is poor. A child with severe multisystem manifestations underwent orthotopic liver transplantation at age 50 months for the indication of end-stage liver disease. This procedure corrected liver function and eliminated portal hypertension, and the patient showed substantial improvement in neurological function. However, autoinflammatory episodes continued unabated until hematopoietic stem cell transplantation was performed at 80 months. Through this complex therapy, the patient now enjoys a high quality of life without significant disability.
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Mohammad S, Hormaza L, Neighbors K, Boone P, Tierney M, Azzam RK, Butt Z, Alonso EM. Health status in young adults two decades after pediatric liver transplantation. Am J Transplant 2012; 12:1486-95. [PMID: 22568621 PMCID: PMC3365645 DOI: 10.1111/j.1600-6143.2012.04080.x] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
Abstract
We conducted a cross-sectional study of patients who underwent pediatric liver transplant (LT) between 1988 and 1992 to evaluate long-term health status. Survivors completed socio-demographic, medical and Health-Related Quality of Life (HRQOL) surveys by mail including the SF-36v2, PedsQL™4.0 Generic Core Scale, PedsQL™ Cognitive Functioning Scale and PedsQL™3.0 Transplant Module. SF-36 scores were converted to SF6D-based utilities and risk factors for lower outcomes were assessed. Eighty-five of 171 patients had survived. Fifty-six were contacted with a response rate of 66%. Median age at LT was 0.86 years (IQR 0.58-3.0) and 64.3% had biliary atresia. Mean age at survey was 23.0 ± 4.4 years: 62% attended college, 68% lived with parents and 80% of those over 23 were employed. Patient health utilities were lower than norms (0.75 ± 0.12 vs. 0.82 ± 0.18, p < 0.01) and correlated with unemployment (p < 0.042), hospitalizations (p < 0.005) and lower education level (p < 0.016). Lower PedsQL™3.0 Transplant Module and PedsQL™ 4.0 Generic Core Scale scores correlated with unemployment (p = 0.006, p = 0.009) and hospitalizations (p = 0.006, p = 0.02). Pediatric transplant recipients who survive to adulthood have lower physical HRQOL, measurable transplant-related disability and lower health utility. Transplantation is life saving; however, physical and psychological sequelae continue to affect health status up to two decades later.
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Shukla A, Singh SV, Kumar S, Mehrotra D, Mohammad S, Singh S. Alveolar ridge augmentation using distraction osteogenesis: a clinical trial. J Oral Biol Craniofac Res 2012; 2:25-9. [PMID: 25756028 DOI: 10.1016/s2212-4268(12)60007-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
Abstract
BACKGROUND Severely resorbed ridges present a great challenge to prosthodontic rehabilitation. Available reconstructive options include autologous/alloplastic augmentation with questionable results, or regeneration of new bone under gradual and controlled tension using distraction osteogenesis. This study focused on use of distraction osteogenesis for the treatment of vertically deficient alveolar ridges to assess its feasibility and outcome. MATERIALS AND METHODS Alveolar distraction osteogenesis (ADO) was studied at 10 different intra-oral, partial or complete edentulous sites. After a latency period of 5 days, distraction was carried out for 6-7 days at the rate of 0.5 mm every 12 hours (1 mm/day). Distractor was removed after a consolidation period of 12 weeks. RESULTS The mean height gained at the 10 intra-oral sites was 4.8 mm with standard deviation of ± 0.056. The mean follow-up period was 2 years. Complications of therapy included hardware failure, wound gape and extra-oral scar. The overall complication rate was 10%. CONCLUSION Distraction osteogenesis is a promising option to aid uneventful prosthodontic rehabilitation of severe vertically resorbed alveolar ridges.
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Kochuparambil ST, Al-Husein B, Goc A, Mohammad S, Terris MK, Samuel TA, Coleman TA, Shenoy SPR. Effects of simvastatin and docetaxel on different pathways in the regulation of prostate and breast cancer cell survival. J Clin Oncol 2011. [DOI: 10.1200/jco.2011.29.15_suppl.e13545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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Nahar N, Talukder MHK, Khan MTH, Mohammad S, Nargis T. Students' Perception of Educational Environment of Medical Colleges in Bangladesh. BANGABANDHU SHEIKH MUJIB MEDICAL UNIVERSITY JOURNAL 2011. [DOI: 10.3329/bsmmuj.v3i2.7060] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
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Walls B, Mohammad S, Campbell J, Archer L, Beale J. Negative pressure dressings for severe hidradenitis suppurativa (acne inversa): a case report. J Wound Care 2010; 19:457-60. [DOI: 10.12968/jowc.2010.19.10.79094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Chande C, Menon S, Gohil A, Lilani S, Bade J, Mohammad S, Joshi A. Cutaneous histoplasmosis in AIDS. Indian J Med Microbiol 2010; 28:404-6. [DOI: 10.4103/0255-0857.71850] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Steinum T, Kvellestad A, Colquhoun DJ, Heum M, Mohammad S, Grøntvedt RN, Falk K. Microbial and pathological findings in farmed Atlantic salmon Salmo salar with proliferative gill inflammation. DISEASES OF AQUATIC ORGANISMS 2010; 91:201-211. [PMID: 21133320 DOI: 10.3354/dao02266] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Proliferative gill inflammation (PGI) is an important cause of loss in seawater-farmed Atlantic salmon in Norway. Several microbes have been associated with PGI, including the commonly but not exclusively observed inclusions (epitheliocysts) within the gill lamellae related to infection with 'Candidatus Piscichlamydia salmonis'. Atlantic salmon transferred in the spring of 2004 to 12 seawater farms situated in mid- and southwest Norway were sampled throughout that year. Outbreaks of PGI, as evaluated by clinical examination, histology, and mortality data, were diagnosed in 6 of 7 farms in southwest Norway but not in the 5 farms studied in mid-Norway. Generally, mortality started 3 to 5 mo after seawater transfer and outbreaks lasted at least 1 to 3 mo. 'Ca. P. salmonis' was detected by real-time PCR only in fish from PGI-affected farms and our results indicate an association between 'Ca. P. salmonis' load and PGI severity. Likewise, although widely distributed in all 12 farms studied, epitheliocyst prevalence and number per fish as observed by histology appears associated with PGI prevalence and severity. However, the occurrence of epitheliocysts showed no association with molecular detection of 'Ca. P. salmonis', suggesting that at least 1 other organism is responsible for many of the observed inclusions. A microsporidian, Desmozoon lepeophtherii, was identified at high prevalence regardless of fish and farm PGI status, but at higher loads in fish with PGI. Our results support a multifactorial etiology for PGI in which 'Ca. P. salmonis', an unidentified epitheliocyst agent, and the microsporidian are contributing causes. No evidence for the involvement of Atlantic salmon paramyxovirus in PGI development was identified in the present study. High water temperatures and ectoparasites probably exacerbated mortality.
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Mohammad Y, Tabbah K, Mohammad S, Yassine F, Clayton T, Hassan M. International study of asthma and allergies in childhood: phase 3 in the Syrian Arab Republic. EASTERN MEDITERRANEAN HEALTH JOURNAL = LA REVUE DE SANTE DE LA MEDITERRANEE ORIENTALE = AL-MAJALLAH AL-SIHHIYAH LI-SHARQ AL-MUTAWASSIT 2010; 16:710-716. [PMID: 20799526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
The International Study of Asthma and Allergies in Childhood (ISAAC) uses standardized symptom-based questionnaires to describe the prevalence of symptoms of asthma, rhinoconjunctivitis and eczema in children worldwide. Three governorates in the Syrian Arab Republic (Aleppo, Lattakia and Tartous) participated in ISAAC phase 3 in 2001-03. Adolescents in the 13-14 year age group and parents of the 6-7-year-old children completed the questionnaire about asthma symptoms. The prevalence of current symptoms of asthma (wheezing in the last 12 months) in different centres ranged from 4.7% to 5.7% for 6-7-year-olds and 3.9% to 6.5% for 13-14-year-olds. In 13-14-year-olds the prevalence of severe speech-limiting wheeze was 2.0%-3.5%, of rhinoconjunctivitis was 8.6%-14.6% and of eczema was 3.3%-4.2%.
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Mohammad S. Message from Head OMFS, Medical University Lucknow. Natl J Maxillofac Surg 2010; 1:95. [PMID: 22442576 PMCID: PMC3304198 DOI: 10.4103/0975-5950.79207] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Mohammad Y, Tabbah K, Mohammad S, Yassine F, Clayton T, Hassan M. International study of asthma and allergies in childhood: Phase 3 in the Syrian Arab Republic. EASTERN MEDITERRANEAN HEALTH JOURNAL 2010. [DOI: 10.26719/2010.16.7.710] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Yahaya MI, Mohammad S, Abdullahi BK. Seasonal Variations of Heavy Metals Concentration in Abattoir Dumping Site Soil in Nigeria. ACTA ACUST UNITED AC 2010. [DOI: 10.4314/jasem.v13i4.55387] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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Nandhara G, Williamson J, Verma R, Ross E, Oxborrow N, Dashdti H, Mohammad S. T-3 Spinal Tumour Referrals to a Tertiary Spinal Centre. J Biomech 2010. [DOI: 10.1016/s0021-9290(10)70133-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Hanley A, Corrigan R, Mohammad S, MacMahon B. Friedreich's ataxia cardiomyopathy: case based discussion and management issues. IRISH MEDICAL JOURNAL 2010; 103:117-118. [PMID: 20486316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Cardiac involvement is common in Friedreich's Ataxia and is a common cause of premature death. Evidence regarding treatment of congestive heart failure in patients with Friedreich's Ataxia is lacking. The case of a 31-year-old male with advanced Friedreich's Ataxia who presented with an acute diarrhoeal illness and features of acute heart failure is discussed. We then review the reported cardiac manifestations of Friedreich's Ataxia and discuss management options.
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Pal US, Singh RK, Mohammad S, Yadav RK. Use of collagen in extraoral wounds. J Maxillofac Oral Surg 2009; 8:261-4. [PMID: 23139522 DOI: 10.1007/s12663-009-0064-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2008] [Accepted: 05/15/2009] [Indexed: 11/24/2022] Open
Abstract
The basic fundamental elements that collagen bring into the wound activity are its hemostatic effect, its interaction with platelets and interaction with fibronection, increase in fluid exudates, increase in cellular components (macrophages) and support for fibroblastic proliferation into wound activity. In this way collagen plays a significant parts in almost every function of the body. Previously broad use of collagen was stifled because of cost, recent advances made it possible to develop cost effective collagen. In this study twenty patients of maxillofacial wounds were treated with the use of collagen. The results were satisfactory without any significant complication.
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El-Hagary M, Shoker Y, Mohammad S, Moustafa A, El-Aal AA, Michor H, Reissner M, Hilscher G, Ramadan A. Structural and magnetic properties of polycrystalline La0.77Sr0.23Mn1−xCuxO3 (0≤x≤0.5) manganites. JOURNAL OF ALLOYS AND COMPOUNDS 2009; 468:47-53. [DOI: 10.1016/j.jallcom.2008.01.048] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Wojciuk J, Mohammad S, More R, Goode G. Utilisation of 3D echocardiography in demonstrating the beneficial effect of bifocal right ventricular cardiac resynchronisation therapy. Heart 2007; 93:e1. [PMID: 17170332 PMCID: PMC1861325 DOI: 10.1136/hrt.2005.087205] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
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Mohammad Y, Tabbah K, Mohammad S, Yassine F. ISAAC Phase III - Syrie. Rev Mal Respir 2006. [DOI: 10.1016/s0761-8425(06)71706-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Winikoff S, Mohammad S, Guo ZS, O'Malley M, Zeh HJ, Bartlett DL. Development of a tetracycline-inducible system for regulation of oncolytic vaccinia virus gene expression. Ann Surg Oncol 2004. [DOI: 10.1007/bf02524208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Lambiase PD, Rinaldi A, Hauck J, Mobb M, Elliott D, Mohammad S, Gill JS, Bucknall CA. Non-contact left ventricular endocardial mapping in cardiac resynchronisation therapy. BRITISH HEART JOURNAL 2004; 90:44-51. [PMID: 14676240 PMCID: PMC1768036 DOI: 10.1136/heart.90.1.44] [Citation(s) in RCA: 111] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
BACKGROUND Up to 30% of patients with heart failure do not respond to cardiac resynchronisation therapy (CRT). This may reflect placement of the coronary sinus lead in regions of slow conduction despite optimal positioning on current criteria. OBJECTIVES To characterise the effect of CRT on left ventricular activation using non-contact mapping and to examine the electrophysiological factors influencing optimal left ventricular lead placement. METHODS and results: 10 patients implanted with biventricular pacemakers were studied. In six, the coronary sinus lead was found to be positioned in a region of slow conduction with an average conduction velocity of 0.4 m/s, v 1.8 m/s in normal regions (p < 0.02). Biventricular pacing with the left ventricle paced 32 ms before the right induced the optimal mean velocity time integral and timing for fusion of depolarisation wavefronts from the right and left ventricular pacing sites. Pacing outside regions of slow conduction decreased left ventricular activation time and increased cardiac output and dP/dt(max) significantly. CONCLUSIONS In patients undergoing CRT for heart failure, non-contact mapping can identify regions of slow conduction. Significant haemodynamic improvements can occur when the site of left ventricular pacing is outside these slow conduction areas. Failure of CRT to produce clinical benefits may reflect left ventricular lead placement in regions of slow conduction which can be overcome by pacing in more normally activating regions.
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Ray SD, Lam TS, Rotollo JA, Phadke S, Patel C, Dontabhaktuni A, Mohammad S, Lee H, Strika S, Dobrogowska A, Bruculeri C, Chou A, Patel S, Patel R, Manolas T, Stohs S. Oxidative stress is the master operator of drug and chemically-induced programmed and unprogrammed cell death: Implications of natural antioxidants in vivo. Biofactors 2004; 21:223-32. [PMID: 15630201 DOI: 10.1002/biof.552210144] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
ROS, RNS, BRIs and ROS-RNS hybrids are produced during drug or chemical metabolism in vivo. These reactive species are instrumental to the culmination of cellular oxidative stress (OS). OS, once turned on, does not spare any vital intracellular macromolecule, such as glutathione, DNA, RNA, proteins, enzymes, lipids and ATP. Since concentration gradients of such components are very delicately balanced for normal cellular functioning, a gross perturbation leads to cell injury and cell death. Abundant evidence now suggests that intracellular antioxidants keep OS in check and maintain homeostasis. Our laboratory has focused on the role of OS in orchestrating various forms of cell death during drug and chemically-induced target organ toxicity and their counteraction by various natural or synthetic antioxidants in in vivo models. Despite complexity of the in vivo models, results show that metabolism of xenobiotics are invariably associated with different degrees of OS and natural antioxidants such as grape seed extract, bitter melon extract (Momordica charantia) and N-acetylcysteine (NAC) which were very effective in counteracting organ toxicities by minimizing events linked to OS (lipid peroxidation and total glutathione), and CAD-mediated DNA fragmentation. Phytoextract exposure rescued cells from toxic assaults, protected genomic integrity, and minimized apoptotic, necrotic and apocrotic (oncotic necrosis) cell deaths. Pre-exposure mode was more effective than post-exposure route. Overall scenario suggests that OS may have been the prime modulator of death and/or survival programs, whereas, antioxidants may have imparted a dual role in either erasing death signals or reviving survival signals, and a combination of antioxidants may be more beneficial than a single entity to influence a number of intracellular events operating simultaneously to neutralize chaotic toxicological consequences.
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Omrani A, Fathollahi Y, Almasi M, Semnanian S, Mohammad S, Firoozabadi P. Contribution of ionotropic glutamate receptors and voltage-dependent calcium channels to the potentiation phenomenon induced by transient pentylenetetrazol in the CA1 region of rat hippocampal slices. Brain Res 2003; 959:173-81. [PMID: 12480172 DOI: 10.1016/s0006-8993(02)03830-1] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The role of ionotropic glutamate receptors and voltage-dependent calcium channels (VDCCs) in potentiation phenomenon and epileptic activity induced by a transient pentylenetetrazol (PTZ) application in the CA1 region of rat hippocampal slices was investigated. Also we examined whether adenosine as an inhibitory neuromodulator would interact with expression of the long-lasting effect of transient PTZ. Population spikes (PS) were recorded in the CA1 cell body layer of the hippocampal slices following stratum radiatum stimulation. Changes in the PS amplitude potentiation and number of extra PS, which induced by transient PTZ were used as indices to quantify the effects of drugs. PS input-output curve was significantly increased 10 min after PTZ application and persisted at least for 60 min after PTZ washout. Polyspikes also appeared, but did not persist. Both ketamine and APV reduced the extent of potentiation of PS amplitude but had no effect on number of extra PS. The selective non-NMDA receptor antagonist CNQX prevented the amplitude potentiation and the generation of extra PS. The blocker of VDCCs, verapamil, prevented the amplitude potentiation and inhibited polyspike activity. Co-application of adenosine and PTZ produced a rapid and reversible decrease in the PS amplitude, but PTZ-induced potentiation phenomenon was observed after washout. It is concluded that ionotropic glutamate receptors as well as VDCCs involve in the PTZ-induced LTP of PS amplitude. PTZ-induced LTP is also insensitive to adenosine. The epileptiform activity induced by a transient PTZ application could be attributed to VDCCs. The polyspikes mediated by VDCCs are dependent on prior activation of AMPA receptors.
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Mohammad S, Port A, Montgomery RJ. Transepiphyseal fracture of the femoral neck with dislocation of the femoral head and fracture of the posterior column of the acetabulum in a child. THE JOURNAL OF BONE AND JOINT SURGERY. BRITISH VOLUME 2002; 84:113-5. [PMID: 11837816 DOI: 10.1302/0301-620x.84b1.11889] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We describe a 15-year-old boy with a posterior dislocation of the hip, fracture of the posterior column of the acetabulum and separation of the femoral capital epiphysis. To our knowledge no previous case in a child has been reported. Such high-energy injuries are extremely rare, and a poor outcome is expected. We advocate early referral to a specialised tertiary centre, and the use of a modification of Delbet's classification to reflect the complexity and displacement which may occur with this injury.
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Mohammad S, Port A, Montgomery RJ. TRANSEPIPHYSEAL FRACTURE OF THE FEMORAL NECK WITH DISLOCATION OF THE FEMORAL HEAD AND FRACTURE OF THE POSTERIOR COLUMN OF THE ACETABULUM IN A CHILD. ACTA ACUST UNITED AC 2002. [DOI: 10.1302/0301-620x.84b1.0840113] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
We describe a 15-year-old boy with a posterior dislocation of the hip, fracture of the posterior column of the acetabulum and separation of the femoral capital epiphysis. To our knowledge no previous case in a child has been reported. Such high-energy injuries are extremely rare, and a poor outcome is expected. We advocate early referral to a specialised tertiary centre, and the use of a modification of Delbet’s classification to reflect the complexity and displacement which may occur with this injury.
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