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Kiran Nandivada’s Stuck Blade in a Grinder Jar Degenerative Cascade by LSTV at L5-S1

Open Journal of Orthopedics 2024年第1期14卷 12-21页

作者： Venkata Satya Kumar Kiran Nandivada Nadavinamani Shivanand Raghavendra Nandivada Nikhil Bharadwaja Moola Sohith Mahadeva Reddy ahmed usama rizvi Nandivada Ortho Spine Surgeon & Rheumatologist Abu Dhabi United Arab Emirates Senior Orthopedic Surgeon & Rheumatologist Abu Dhabi United Arab Emirates General Practitioner Visakhapatnam India Department of Medicine Kamineni Institute of Medical Sciences Telangana India Department of Medicine Tbilisi State Medical University Tbilisi Georgia

Background: Mario Bertolotti, (1917) described LSTV-Lumbar spinal transitional vertebra as Bertolotti Syndrome a century ago and associated low back pain with it. Yet, it needs to be given significance in general orthopaedic practice even now, and radiologists underreport it. LSTV is a congenital anatomical anomaly that Castellvi classified into four varying types. Purpose: I titled this phenomenon “Kiran Nandivada’s stuck blade in a grinder jar degenerative cascade by LSTV at L5-S1” to clearly explain how an abnormal mega-transverse apophysis with its various variations affects the weight-bearing mechanics as the L5-S1 which is a vital junction where the maximum body weight is directed into both the sacroiliac joints and if a transitional vertebra occurs it becomes detrimental and abnormally redirects the load-bearing forces and leads to a progressive degenerative cascade both proximally and distally. As the L5 vertebral rotations and other movements of flexion, extensions, lateral flexion are stuck like a bent grinder blade, the other areas of the region are damaged progressively as the pelvis, just like the grinder motor tries to move it, resulting in overheating and maybe even a burnout results in the form of facet arthritis, disc degeneration in the normal disc above, the transitional disc at L5-S1, foraminal osteophytes causing radiculopathy, sacroiliac joint arthritis. Material and Methods: Around 200 X-rays of children and adults with this congenital anomaly have been studied between 2020 and 2023. This is a retrospective study. Results: 1) Our study showed an Increased incidence of LSTV at 15%. 2) Patients ranged from asymptomatic, atypical lumbago to classical lumbago with sciatica and claudication. Findings supported facet and sacroiliac joint arthritis and the pain, relieved with physiotherapy, posture corrections, weight reduction, and lifestyle precautions, negating the need for local steroid injections, radiofrequency ablation or surgical excision as

关键词： LSTV Bertolotti Syndrome Transitional Vertebra Facet Tropism Congenital Dysplasia

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Various Aetiologies of Non-Traumatic Coccydynia Cause Pain in the Posterior Sacrococcygeal Leg of the Pelvic Tripod: A Burden on the Healthcare Sector

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Open Journal of Orthopedics 2024年第7期14卷 334-353页

作者： Kumar Satya Nandivada Venkata Kiran Nadavinamani Shivanand Raghavendra Oommen Elsy Biju Bharadwaja Nikhil Nandivada Nandivada Vaishnavi rizvi usama ahmed Krushi Orthopaedic Welfare Society Research Wing Visakhapatnam India

Introduction: Coccydynia, television disease, and coccygodynia are the different names given to this disabling disease, which can become chronic. It was described by Simson in 1859. Coccydynia means pain at the end of the vertebral column. Non-traumatic coccydynia is a diagnosis, which is never straightforward like traumatic coccydynia because the onset is unclear, and both the patient and the unaware clinician face many challenges in treating it on time and with accuracy. Coccyx was likened to a cuckoo bird’s beak as a curved bone of fused 3 to 5 vertebrae with remnant disc material in some rare cases, unfused segments, linear scoliosis or subluxations and deformities. Stress X-rays of the coccyx in the antero-posterior and lateral views in standing and sitting reveal the “Dynamic Instability” due to congenital coccygeal morphological, pathological and mechanical variations. Material and Methods: This is a complex study having retrograde data collected from online publications from various databases, like PubMed, Embase, and Cochrane Library and also antegrade data collected from 100 patients with their consent from patients in Adam and Eve Specialised Medical Centre-based at Abu Dhabi, UAE and data was processed in the research centre of Krushi Orthopaedic Welfare Society based in India between 2014-2024 following all guidelines of Helsinki and approved by the ethics board of Krushi Orthopaedic Welfare Society. Clinical Presentation: The coccyx is painful, with aches, spasms, and an inability to sit. This affects daily activities without any particular date of onset. The onset remains insidious for the non-traumatic variety of coccydynia. Aetiology and Patho Anatomy: Non-traumatic coccydynia can be caused by a myriad of reasons, like congenital morphological variations, acquired dynamic instabilities, and hidden trauma remaining quiescent to re-surface as a strain-induced pain. Radiological Presentations: Unless clarity is focused on these coccygeal views, the err

关键词： Coccydynia Coccygodynia Pelvic Floor Chordoma Pilonidal Sinus Fused Sacrococcygeal Segment Non-Traumatic Coccydynia Entrapment of Coccygeal Nerves Dural Syndrome

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Cost saving by reloading the multiband ligator in endoscopic esophageal variceal ligation: A proposal for developing countries

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World Journal of Gastroenterology 2008年第14期14卷 2222-2225页

作者： Zaigham Abbas Lubna rizvi Umair Syed ahmed Khalid Mumtaz Wasim Jafri Department of Medicine The Aga Khan University Hospital Karachi 74800 Pakistan

AIM:To assess the cost savings of reloading the multiband ligator in endoscopic esophageal variceal ligation (EVL) used on the same patient for subsequent sessions. METHODS:This single centre retrospective descriptive study analysed patients undergoing variceal ligation at a tertiary care centre between 1st January, 2003 and 30th June, 2006. The multiband ligator was reloaded with six hemorrhoidal bands using hemorrhoidal ligator for the second and subsequent sessions. Analysis of cost saving was done for the number of follow-up sessions for the variceal eradication. RESULTS:A total of 261 patients underwent at least one session of endoscopic esophageal variceal ligation between January 2003 and June 2006. Out of 261, 108 patients (males 67) agreed to follow the eradication program and underwent repeated sessions. A total of 304 sessions was performed with 2.81 sessions per patient on average. Thirty-two patients could not complete the programm. In 76 patients (70%), variceal obliteration was achieved. The ratio of the costs for the session with reloaded ligator versus a session with a new ligator was 1:2.37. Among the patients who completed esophageal varices eradication, cost saving with reloaded ligator was 58%. CONCLUSION:EVL using reloaded multiband ligators for the follow-up sessions on patients undergoing variceal eradication is a cost saving procedure. Reloading the ligator thus is recommended especially for developing countries where most of the patients are not health insured.

关键词： Esophageal varices Reloading Multiband ligator Eradication Cost saving

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Neurocysticercosis:A case report and brief review

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Asian Pacific Journal of Tropical Medicine 2016年第1期9卷 98-100页

作者： Syed A.A.rizvi Ayman M.Saleh Hanns Frimpong Hussain M.Al Mohiy Jasmin ahmed Ronda D.Edwards Sultan S.ahmed College of Pharmacy Nora Southeastern University JAS Medical Management LLC Department of Basic Medical Sciences College of MedicineKing Saud Bin Abdulaziz University for Health SciencesNational Guard Health Affairs Radiological Sciences Department College of Applied Medical SciencesKing Khalid University Herbert Wertheim College of Medicine Florida International University School of Medicine Spartan Health Science University

Neurocysticercosis(NCC) is one of the seven neglected endemic zoonoses targeted by the World Health *** is considered a common infection of the nervous system caused by the Tanenia solium and is known to be the primary cause of preventable epilepsy in many developing *** is commonly resulted by the ingestion of Tanenia solium eggs after consuming undercooked pork,or contaminated *** parasite can grow in the brain and spinal cord within the nervous system,causing severe headache and seizures beside other pathological *** and international travel to endemic countries has made this disease common in the United *** can be diagnosed with computed tomography and magnetic resonance imaging of the *** treatment of the NCC including cysticidal drugs(eg.,albendazole and praziquantel),and neurosurgical procedure,depending upon a the situation.A patient of Asian origin came to our clinic with complaints of dizziness,headaches and episodes seizures for the past twelve years without proper *** computed tomography and magnetic resonance imaging scans indicated multilobulated cystic mass in the brain with the suspicion of neurocysticercosis.

关键词： Neurocysticercosis Tanenia solium Epilepsy Magnetic resonance imaging Computed Tomography

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Acute Kidney Injury with Rhabdomyolysis: 25 Years Experience from a Tertiary Care Center

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Open Journal of Nephrology 2015年第3期5卷 67-74页

作者： Rubina Naqvi F. Akhtar E. ahmed A. Naqvi A. rizvi Sindh Institute of Urology and Transplantation (SIUT) Karachi Pakistan

Objective: To describe patients presenting with acute kidney injury after rhabdomyolysis at a tertiary renal care center in Pakistan. Patients and Methods: An observational cohort of patients identified as having acute kidney injury (AKI) with rhabdomyolysis, which was diagnosed by rise in creatinine phosphokinase (CK) and lactate dehydrogenase (LDH) more than 4 times the reference range whereas AKI was defined according to RIFLE criteria. On ultrasonography, all patients had normal size non obstructed kidneys, and no other co morbid. Results: Between January1990 to December 2014, 334 patients with rhabdomyolysis and AKI registered to this hospital. Mean age was 28.22 ± 11.22 years with M:F ratio of 3.33:1. Mean values of CK and LDH were 597,749.790 ± 180,461.360 and 4077.026 ± 5050.704 U/L with reference range of 26 - 174 U/L and 91 - 180 U/L respectively. We divided the study population into 4 groups over timeline. Rhabdomyolysis etiology was divided in 3 groups;1) traumatic, 2) non-traumatic exertional, and 3) non-traumatic non-exertional. In the last group, which spans from 2010-2014, we treated many cases with toxic rhabdomyolysis and main toxin was paraphenylenediamine (PPD). The other causes showed more or less same prevalence over two and a half decade, except non-traymatic exertional which has decreased during last 5 years without any explainable cause. Renal replacement therapy (RRT) was required on arrival in 94% cases. Complete renal recovery was observed in 70%, while 15.86% died and 10% were lost during recovery phase. A small number 2.69% left against medical advice during acute phase of illness and 0.8% developed chronic kidney disease (CKD). Conclusion: The common clinical conditions found associated with rhabdomyolysis and AKI includes trauma, immobilization, sepsis, overexertion, and drugs and toxins. In recent years, we have seen many young patients with PPD poisoning;we have found good renal recovery in patients who survived initial 2 - 3 weeks.

关键词： Acute Kidney Injury Rhabdomyolysis RIFLE Criteria Torture Toxins PPD

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Bilateral Retractile Testis: A Possible Risk Factor for Male Infertility

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Advances in Sexual Medicine 2022年第1期12卷 9-17页

作者： Syed Intesar Burni Shazia R. Khan Fareena Khalil ahmed Sameera Ali rizvi Tazeen Saeed Ali National Research Institute for Fertility Care Ministry of Health Karachi Pakistan Research Institute of Fertility Care M/O Health Karachi Pakistan Sir Syed College of Medical and Dental Science Karachi Pakistan Department of Public Health Faculty of Life Sciences SZABIST Karachi Pakistan School of Nursing and Midwifery Department of Community Health Sciences Aga Khan University Karachi Pakistan

Healthy youth is an asset and strength for economic and social growth of any society. Developmental changes during puberty of youngsters need proper guidance to avoid future physical, physiological and psychological ailments. Bilateral Retractile Testis (BRT) is a health problem if remains unnoticed till adolescence can lead to tribulations. BRT may affect testicular parenchyma and spermatogenesis. Cremasteric muscles (muscles attached with testes) pull the testes up into groin so it randomly moves up and down and do not reside in its natural pouch always. It has been a controversial issue in male infertility as retraction may affect infertility. Objective: To estimate the prevalence of male infertility among patients with Bilateral Retractile Testis. Methodology: A total of 200 male patients were enrolled after the power calculation, with different reproductive health problems between the age of 18 - 40 years during the year 2016 at Reproductive health clinic Jinnah Post Graduate Medical Center (JPMC), Karachi. 25 male patients were reported with infertility and BRT. The data was collected using self-developed questionnaire including outdoor patients’ physical check-up, manual testicular examination as size and shape were done. Patient height, weight, blood pressure, their lifestyle, and dressing regarding wearing tight jeans habits were asked. Semen analysis was c

关键词： Bilateral Retractile Testis Male Infertility Lifestyle Karachi

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Comparison of Shisha Smoking Behavior among Medical and Pharmacy Students

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Journal of Behavioral and Brain Science 2016年第7期6卷 269-279页

作者： Ashok Kumar Salman Baig Sana Ansari Nadeem rizvi Huma Sharif Anwar Ejaz Beg Ammara Rauf Faraz ahmed Baig Ammara Abdul Majeed Ziauddin Hospital Karachi Pakistan Sindh Medical College Karachi Pakistan

Background: Health care workers are respected in every society and have a strong influence on the behaviour of the community. In order to reduce the shisha dependence in the Pakistani population, it is necessary to evaluate the perspective of future doctors and pharmacists regarding this addiction as they become role models for the future generations. Objective: The aim is to compare the knowledge, attitudes, and practices of shisha use among medical students and pharmacy students in order to assess their support in the anti-shisha campaigns of Pakistan. Methodology: Cross sectional study was performed in four major medical universities of Karachi, Pakistan through a modification of the WHO global health survey questionnaire. Result: 398 medical students and 470 pharmacy students were included in the study which showed that currently 9.6% pharmacy students and 4.8% medical students used shisha daily (p = 0.000). Pharmacy students started shisha use in less than 15 years of age while this number was 29.5% among medical students (P = 0.000). Moreover, 44.6% pharmacy students and 50% medical students were not planning to quit this addiction within the next six months. 14% of pharmacy students and 20.4% in medical students (P = 0.002) were unaware that passive smoking caused lung cancer, while 23.4% pharmacy students and 33.5% medical students rejected it as cause of heart diseases (p = 0.006). Conclusion: A significant number of medical and pharmacy students were unaware about some of the serious consequences of shisha smoking. Therefore, both groups of students need to be educated about the health hazards of shisha use, in order to control this growing menace.

关键词： Shisha Smoking Tobacco Students

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碳纳米纤维改性热拌沥青混合料特性研究

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中外公路 2016年第1期36卷 213-216页

作者：王萌(编译) 刘慧杰(编译) 龚明辉(编译) 杨军(编译) 牛晓伟(编译) 吴春颖(编译) jamal khattak,mohammad khattab,ahmed r.rizvi,hashim 东南大学交通学院江苏南京210096 新型道路材料国家工程实验室江苏省交通科学研究院股份有限公司不详

该文介绍了一种碳纳米管纤维(Carbon Nano-fiber,CNF)改性沥青混合料制备工艺,利用此工艺分别制备对比试样以对CNF改性前后沥青混合料的粘弹特性、强度、抗永久变形能力和疲劳性能进行评价,同时采用扫描电子显微镜研究和分析CNF改性机... 详细信息

该文介绍了一种碳纳米管纤维(Carbon Nano-fiber,CNF)改性沥青混合料制备工艺,利用此工艺分别制备对比试样以对CNF改性前后沥青混合料的粘弹特性、强度、抗永久变形能力和疲劳性能进行评价,同时采用扫描电子显微镜研究和分析CNF改性机理。结果显示:CNF能够提高沥青混合料的力学性能,并且通过桥接机制抑制微裂纹扩展。

关键词：碳纳米纤维沥青混合料疲劳寿命抗永久变形能力微观结构

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Upper Gastrointestinal Endoscopic Outcomes in Patients with Gastrointestinal Symptoms: Retrospective Analysis at a Tertiary Care Hospital

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Open Journal of Gastroenterology 2019年第8期9卷 141-157页

作者： Iftikhar Haider Naqvi Abu Talib Muqadus Tabraze Omer Mustafa Siddiqui Maheen Fatima Hussaini Neha Saleem Paryani Rida Effendi Samrah lnam Siddiqui Syeda Zuhaa Hassan Maham Munawar Zaiya Waseem Ameer ahmed Khan Zafir Zohab Hussain Khan S. Zain Naeem rizvi Sofia Fatima Farooqui Misbah Munaf Hasan Obaid Faryal Khan Dow University of Health Sciences Department of Medicine Karachi Pakistan

Background: Endoscopic procedures are frequently performed to rule out any disease process which eventuates with either a positive or negative outcome. Association of patient demographics, clinical features with endoscopic outcomes are of paramount importance for better understanding and practice of endoscopy. Objectives: This study aimed to determine the frequency of positive endoscopic findings in patients with gastrointestinal symptoms compared to those with negative findings. As a secondary objective, the association between relevant demographics, symptoms, laboratory investigations and procedural outcomes of the participants and positive endoscopic findings were also assessed. Methods: A retrospective analysis of all the patients who underwent esophagogastroduodenoscopy from January 2017 to December 2017 was conducted. A total of 1066 endoscopy records were retrieved and using a convenience sampling technique, relevant data were manually entered to the questionnaires. Records with incomplete or inconsistent data were disregarded as per the exclusion criteria, resulting in 1011 patient records ultimately utilized for the study. All data were entered and analyzed using IBM SPSS 23.0. Results: The study comprised a total of 1011 patients where 52.2% were females and 47.8% males while the mean age of patients was 42.16 ± 15.45. Positive endoscopic findings were observed in 88.1%, where the most common finding was gastritis (49.1%). Approximately 14.5% had positive investigation findings for HBsAg and 23.1% were seropositive for anti-HCV antibody. P-values statistically significant were for age (p = 0.044), hematemesis (p = 0.002), betel quid addiction (p = 0.044), anti-HCV antibody (p = 0.043), HCV-RNA (p = 0.041) and “H. pylori” antigen (p = 0.032). Conclusion: Both genders were almost equally included where most patients presented between the 3rd and 5th decades of life. A high incidence of gastritis was noted. Positive endoscopic findings were associated with be

关键词： Esophagogastroduodenoscopy Endoscopy Gastritis Esophageal Varices

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Performance and calibration of quark/gluon-jet taggers using 140 fb^(-1) of pp collisions at √s=13 TeV with the ATLAS detector

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Chinese Physics C 2024年第2期48卷 1-25页

作者： G. Aad B. Abbott K. Abeling N.J. Abicht S.H. Abidi A. Aboulhorma H. Abramowicz H. Abreu Y. Abulaiti B.S. Acharya C. Adam Bourdarios L. Adamczyk S.V. Addepalli M.J. Addison J. Adelman A. Adiguzel T. Adye A.A. Affolder Y. Afik M.N. Agaras J. Agarwala A. Aggarwal C. Agheorghiesei A. Ahmad F. Ahmadov W.S. ahmed S. Ahuja X. Ai G. Aielli A. Aikot M. Ait Tamlihat B. Aitbenchikh I. Aizenberg M. Akbiyik T.P.A. Åkesson A.V. Akimov D. Akiyama N.N. Akolkar K. Al Khoury G.L. Alberghi J. Albert P. Albicocco G.L. Albouy S. Alderweireldt M. Aleksa I.N. Aleksandrov C. Alexa T. Alexopoulos F. Alfonsi M. Algren M. Alhroob B. Ali H.M.J. Ali S. Ali S.W. Alibocus M. Aliev G. Alimonti W. Alkakhi C. Allaire B.M.M. Allbrooke J.F. Allen C.A. Allendes Flores P.P. Allport A. Aloisio F. Alonso C. Alpigiani M. Alvarez Estevez A. Alvarez Fernandez M. Alves Cardoso M.G. Alviggi M. Aly Y. Amaral Coutinho A. Ambler C. Amelung M. Amerl C.G. Ames D. Amidei S.P. Amor Dos Santos K.R. Amos V. Ananiev C. Anastopoulos T. Andeen J.K. Anders S.Y. Andrean A. Andreazza S. Angelidakis A. Angerami A.V. Anisenkov A. Annovi C. Antel M.T. Anthony E. Antipov M. Antonelli F. Anulli M. Aoki T. Aoki J.A. Aparisi Pozo M.A. Aparo L. Aperio Bella C. Appelt A. Apyan N. Aranzabal S.J. Arbiol Val C. Arcangeletti A.T.H. Arce E. Arena J-F. Arguin S. Argyropoulos J.-H. Arling O. Arnaez H. Arnold G. Artoni H. Asada K. Asai S. Asai N.A. Asbah J. Assahsah K. Assamagan R. Astalos S. Atashi R.J. Atkin M. Atkinson H. Atmani P.A. Atmasiddha K. Augsten S. Auricchio A.D. Auriol V.A. Austrup G. Avolio K. Axiotis G. Azuelos D. Babal H. Bachacou K. Bachas A. Bachiu F. Backman A. Badea P. Bagnaia M. Bahmani A.J. Bailey V.R. Bailey J.T. Baines L. Baines O.K. Baker E. Bakos D. Bakshi Gupta V. Balakrishnan R. Balasubramanian E.M. Baldin P. Balek E. Ballabene F. Balli L.M. Baltes W.K. Balunas J. Balz E. Banas M. Bandieramonte A. Bandyopadhyay S. Bansal L. Barak M. Barakat E.L. Barberio D. Barberis M. Barbero M.Z. Barel K.N. Barends T. Barillari M-S. Barisits T. Barklow P. Baron D.A. Baron Mo The ATLAS Collaboration

The identification of jets originating from quarks and gluons,often referred to as quark/gluon tagging,plays an important role in various analyses performed at the Large Hadron Collider,as Standard Model measurements and searches for new particles decaying to quarks often rely on suppressing a large gluon-induced *** paper describes the measurement of the efficiencies of quark/gluon taggers developed within the ATLAS Collaboration,using √s=13 TeV proton–proton collision data with an integrated luminosity of 140 fb^(-1) collected by the ATLAS *** taggers with high performances in rejecting jets from gluon over jets from quarks are studied:one tagger is based on requirements on the number of inner-detector tracks associated with the jet,and the other combines several jet substructure observables using a boosted decision tree.A method is established to determine the quark/gluon fraction in data,by using quark/gluon-enriched subsamples defined by the jet *** in tagging efficiency between data and simulation are provided for jets with transverse momentum between 500 GeV and 2 TeV and for multiple tagger working points.

关键词： ATLAS JET QUARK GLUON TAGGING

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