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Pathological diagnosis and immunohistochemical analysis of giant retrosternal goiter in the elderly: A case report

World Journal of Clinical Cases 2024年第3期12卷 643-649页

作者： Yong-Chang Meng Liu-Sheng Wu Ning Li Hong-Wei Li Jing Zhao Jun Yan Xiao-Qiang Li Peng Li Jiang-Qi Wei department of cardiothoracic Surgery Xinxiang First People's HospitalXinxiang 453000Henan ProvinceChina School of Clinical medicine Tsinghua UniversityBeijing 100084China Graduate School Qinghai UniversityXining 810016Qinghai ProvinceChina department of Pathology Xinxiang First People's HospitalXinxiang 453000Henan ProvinceChina department of Thoracic Surgery Peking University Shenzhen HospitalShenzhen 518036Guangdong ProvinceChina

BACKGROUND Elderly giant retrosternal thyroid goiter is a rare yet significant medical condition,often presenting clinical symptoms that can be confused with other diseases,posing diagnostic and therapeutic *** study aims to delve into the characteristics and potential mechanisms of this ailment through pathological diagnosis and immunohistochemical analysis,providing clinicians with more precise diagnostic and treatment strategies.A 77-year-old male,was admitted to hospital with the chief complaint of finding a goiter in the semilunar month during physical examination,accompanied by *** protruding into the superior mediastinum,the adjacent structure was compressed,the trachea was compressed to the right,and the local lumen was slightly *** patient was diagnosed with giant retrosternal *** dyspnea caused by trachea compression,our department planned to perform giant retrosternal *** results:Tg(+),TTF-1(+),Calcitonin(CT)(I),Ki-67(+,about 20%),CD34(-).Retrosternal goiter means that more than 50%of the volume of the thyroid gland is below the upper margin of the *** retrosternal goiter disease is a relatively rare disease,once the disease is diagnosed,it should be timely surgical treatment,and the treatment is more difficult,the need for professional medical team for comprehensive *** The imaging manifestations of giant retrosternal goiter are atypical,histomorphology and immunohistochemistry can assist in its *** article reviews the relevant literature of giant retrosternal goiter immunohisto-chemistry and shows that giant retrosternal goiter is positive for Tg,TTF-1,and Ki-67.

关键词： Giant retrosternal goiter Pathology Immunohistochemistry Case report

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Gastroesophageal reflux following per-oral endoscopic myotomy:Can we improve outcomes?

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World Journal of Gastroenterology 2024年第22期30卷 2834-2838页

作者： Inian Samarasam Raj Kumar Joel Anna B Pulimood department of Surgery Upper Gastrointestinal Surgery UnitChristian Medical College&HospitalVellore 632004TamilnaduIndia department of cardiothoracic Surgery Christian Medical College&HospitalVellore 632004TamilnaduIndia department of Gastrointestinal Sciences Christian Medical College and HospitalVellore 632004Tamil NaduIndia

This editorial is an analysis the review article by Nabi et al recently published in this *** Cardia is a disease whose pathophysiology is still *** is known that there is inflammation of unknown aetiology leading to loss of ganglion cells in the muscularis *** end result is lower oesophageal sphincter spasm,loss of receptive relaxation,decreased oesophageal peristalsis,all leading on to varying degrees of *** treatment of this condition is palliative in nature,performed by myotomy of the lower oesophagus either surgically or *** reflux disease(GERD)has been associated with the myotomy performed,particularly with the Peroral Endoscopic Myotomy(POEM)*** et al have provided an excellent overview of the latest developments in predicting,preventing,evaluating,and managing GERD subsequent to *** on this theme,this review article explores the concept of using histology of the oesophageal muscle layer,to grade the disease and thereby help tailoring the length/type of myotomy performed during the POEM *** the future,will a histology based algorithm available preoperatively,help modify the POEM procedure,thereby decreasing the incidence of GERD associated with POEM?

关键词： Achalasia cardia Peroral endoscopic myotomy Laparoscopic Heller’s myotomy Histopathology Histologic grading

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Nipah Virus Unveiled: A Review Article

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Advances in Bioscience and Biotechnology 2024年第3期15卷 161-173页

作者： Munama Magdum Md. Abir Tazim Chowdhury Mahmuda Khandaker Razdip Datta Md. Naheed Rayhan Md. Siffat Uddin Md. Junayed Imam Bhuiyan Md. Ahaduzzaman Md. Abdullah Al-Mahammud Kabir Mohammad Zishan Uddin Md. Estiak Ullah Sahid Subrata Saha department of Community medicine Shaheed Monsur Ali Medical College Dhaka Bangladesh department of cardiothoracic and Vascular Surgery Evercare Hospital Dhaka Bangladesh department of Microbiology Shaheed Monsur Ali Medical College Dhaka Bangladesh department of Anesthesia Dhaka Dental College & Hospital Dhaka Bangladesh department of cardiothoracic Anesthesia Evercare Hospital Dhaka Bangladesh department of medicine Times Multicare Hospital Ltd. Dhaka Bangladesh Barking Havering and Redbridge University Hospitals NHS Trust Romford UK

Nipah virus (NiV) is a highly infectious zoonotic pathogen that poses a significant threat to human and animal health. First identified in Malaysia in 1998, NiV has since caused several outbreaks in Southeast Asia, with sporadic cases reported in Bangladesh and India. The virus is primarily transmitted to humans through direct contact with infected animals, primarily fruit bats, or through the consumption of contaminated fruits and their juices. NiV infection presents a wide spectrum of clinical features, ranging from mild respiratory illness to severe encephalitis, with a high case fatality rate. The incubation period typically ranges from 4 to 14 days, during which patients develop fever, headache, myalgia, and respiratory symptoms such as cough and sore throat. As the disease progresses, neurological signs become prominent, including altered consciousness, seizures, and focal deficits. Severe cases may exhibit acute respiratory distress syndrome and multi organ failure. Laboratory findings often include lymphocytopenia, thrombocytopenia, and elevated liver enzymes. Diagnosis of NiV infection requires specialized laboratory testing, including reverse transcription-polymerase chain reaction (RT-PCR) and serological assays. Currently, no specific antiviral treatment exists for NiV infection, and management primarily focuses on supportive care. Prevention and control strategies encompass public health interventions, surveillance, and raising awareness among healthcare providers and the general population. The emergence and re-emergence of NiV highlight the urgent need for continued research, improved diagnostic capabilities, and the development of effective vaccines and therapeutics to mitigate the impact of this deadly virus.

关键词： Nipah Virus Zoonotic Pathogen Outbreaks Surveillance

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Simultaneous type III congenital esophageal atresia and patent ductus arteriosus in a low-weight patient: A case report

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World Journal of Clinical Cases 2024年第3期12卷 560-564页

作者： Yong-Yu Ma Jun-Ru Chen Shi-Wu Yang Shu-Yu Wang Xin Cao Jun Wu Faculty of Pediatrics Children’s Hospital Affiliated to Kunming Medical UniversityKunming 650103Yunnan ProvinceChina department of cardiothoracic Surgery Kunming Children’s HospitalKunming 650103Yunnan ProvinceChina

BACKGROUND We report a low-birth-weight child(1.8 kg)with neonatal type III congenital esophageal atresia(CEA)combined with symptomatic patent ductus arteriosus(PDA).After comprehensive evaluation,esophageal anastomosis was performed on postnatal day 11 after excluding surgical contraindications,and arterial catheter ligation was performed at the same *** surgery for CEA combined with PDA has not been clearly reported in the *** SUMMARY We report a 6-day-old female child with type III CEA and *** patient presented with foam at the mouth after birth,cough and shortness of breath after *** another hospital,she was considered to have neonatal pneumonia,neonatal jaundice and congenital heart disease and transferred to our *** iodine oil radiography of the esophagus and echocardiography we con-firmed diagnosis of CEA and *** diameter of the PDA was 8 mm,with obvious left to right *** performed right rear extrapleural orificium fistula ligation and esophageal anastomosis,and ligation of PDA via left axilla straight incision after 5 d of *** operations were successful,and the incision healed after 12 d,and the patient was *** re-examined the patient 1 mo after *** did not vomit when she ate rice *** angiography showed no stricture of the anastomotic *** patient weighed 3.2 *** For CEA patients with multiple risk factors,comprehensive,timely and accurate diagnosis and evaluation,and early treatment may improve prognosis.

关键词： Congenital esophageal atresia Patent ductus arteriosus Low weight One-stage operation Case report

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Multilocular thymic cysts can be easily misdiagnosed as malignant tumor on computer tomography:A case report

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World Journal of Clinical Cases 2024年第8期12卷 1474-1480页

作者： Jun Sun Qing-Ning Yang Yi Guo Ping Zeng Long-Yan Ma Ling-Wen Kong Bo-Ying Zhao Chuan-Ming Li department of Radiology Chongqing University Central HospitalChongqing Emergency Medical CenterChongqing 400014China department of Pathology Chongqing University Central HospitalChongqing Emergency Medical CenterChongqing 400014China department of cardiothoracic Surgery Chongqing University Central HospitalChongqing Emergency Medical CenterChongqing 400014China

BACKGROUND Multilocular thymic cyst(MTC)is a rare mediastinal lesion which is considered to occur in the process of acquired *** is usually characterized by well-defined cystic density and is filled with transparent *** SUMMARY We report on a 39-year-old male with a cystic-solid mass in the anterior *** tomography(CT)imaging showed that the mass was irregular with unclear *** injection of contrast agent,there was a slight enhancement of stripes and *** to CT findings,it was diagnosed as thymic *** After surgery,MTC accompanied by bleeding and infection was confirmed by pathological *** main lesson of this case was that malignant thymic tumor and MTC of the anterior mediastinum sometimes exhibit similar CT *** is necessary in clinical work to avoid misdiagnosis.

关键词： Multilocular thymic cyst Computer tomography Misdiagnosis Hemorrhage Infection Case report

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Cardiac Surgery at Yaoundé General Hospital by a Local Team: Activity Report from September 2022 to January 2024

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World Journal of Cardiovascular Surgery 2024年第6期14卷 87-94页

作者： Laurence Carole Ngo Yon Charles Mve Mvondo Hermann Nestor Tsague Kengni Zephanie Kobe Fokalbo Sépolin Lowe Mireille Dakleu Alain Patrick Menanga William Ngatchou Djomo Vincent De Paul Djientcheu department of cardiothoracic and Vascular Surgery Yaound General Hospital Yaound Cameroon department of Surgery and Specialities Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon department of Clinical Sciences Faculty of Medicine and Pharmaceutical Sciences University of Douala Douala Cameroon department of Clinical Sciences Faculty of Medicine and Biomedical Sciences University of Yaound Yaound Cameroon department of Surgery and Specialities Faculty of Medicine and Biomedical Sciences University of Yaound Yaound Cameroon

Introduction: The practice of cardiac surgery (CS) in sub-Saharan Africa faces a number of challenges. We report on the surgical activities of the first 17 months of the program launched at the Yaoundé General Hospital (YGH), describing the types of interventions and the early results. Patients and Methods: This was a descriptive cross-sectional study including patients who underwent CS from September 2022 to January 2024 at the YGH. Clinical, operative and postoperative data were collected and analysed retrospectively by R software. Results: A total of 37 patients underwent CS during the study period, divided into 23 (62.2%) open-heart and 14 (37.8%) closed-heart cases. Males predominated (sex ratio 1.17). The median age and interquartile range (IQR) were 36 years (9 - 51). Isolated valve surgery, in 15 (40.5%) cases, was the most common procedure in open-heart surgery cases. Closed-heart surgery involved closure of the patent ductus arteriosus in 9 (24.3%) cases, coronary artery bypass grafting in 3 (8.1%) cases, and pericardectomy in 2 (5.4%) cases. The median duration of extracorporeal circulation and aortic cross-clamping was 101 min (IQR 84 - 143) and 74 min (IQR 54 - 112) respectively. The median duration of mechanical ventilation was 2 hours (IQR 2 - 3). The median intensive care unit stay and median hospital stay were 2 days (IQR 2 - 3) and 7 days (IQR 5 - 8) respectively. Operative mortality was 2 (5.4%). Conclusion: Cardiac surgery remains a major challenge for African populations. The early results achieved by the local team are satisfactory. An increase in surgical activity should be strongly encouraged to facilitate local training and ensure the sustainability of the activity.

关键词： Cardiac Surgery Sub-Saharan Africa Cameroon

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Comparison of Propofol and Fentanyl for Preventing Emergence Agitation Following Sevoflurane Anesthesia in Pediatric Patients: A Single-Center Study in Bangladesh

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Pharmacology & Pharmacy 2024年第6期15卷 223-235页

作者： Md. Saiful Islam Khan Md. Abir Tazim Chowdhury Farzana Fardousi Munama Magdum Md. Ahaduzzaman Taneem Mohammad Shamima Akter Suriya Akter Md. Saiful Islam Azad Md. Mozaffer Hossain M. Abdur Rahman department of cardiothoracic Anesthesia Evercare Hospital Dhaka Bangladesh department of cardiothoracic and Vascular Surgery Evercare Hospital Dhaka Bangladesh department of Pathology National Institute of Cancer Research & Hospital Dhaka Bangladesh department of Preventive and Social medicine National Institute of Preventive and Social Medicine Dhaka Bangladesh department of Anesthesia Sheikh Sayera Khatun Medical College Gopalgonj Bangladesh department of Anesthesia Dhaka Medical College Dhaka Bangladesh department of Anesthesia Combined Military Hospital Dhaka Bangladesh department of Cardiac Anesthesia National Institute of Cardiovascular Disease Dhaka Bangladesh department of Anesthesia Bangladesh Medical College Dhaka Bangladesh

Background: Emergence agitation (EA) is a common phenomenon observed in pediatric patients following general anesthesia. This study aimed to assess the efficacy of propofol and fentanyl in preventing EA and to compare their associated complications or side effects. Methods: This prospective randomized observational comparative study was conducted at Dhaka Medical College Hospital from July 2013 to June 2014. The study aimed to evaluate the effects of propofol and fentanyl on EA in children aged 18 to 72 months undergoing circumcision, herniotomy, and polypectomy operations. Ninety children were included in the study, with 45 in each group. Patients with psychological or neurological disorders were excluded. Various parameters including age, sex, weight, American Society of Anesthesiologists (ASA) class, duration of anesthesia, Saturation of Peripheral Oxygen (SPO2), heart rate (HR), respiratory rate (RR), Pediatric Anesthesia Emergence Delirium (PAED) score, duration of post-anesthesia care unit (PACU) stay, incidence of laryngospasm, nausea, vomiting, and rescue drug requirement were compared between the two groups. Results: Age, sex, weight, ASA class, and duration of anesthesia were comparable between the two groups. Perioperative SpO2 and HR were similar in both groups. However, the PAED score was significantly higher in the fentanyl group during all follow-ups except at 30 minutes postoperatively. The mean duration of PACU stay was significantly longer in the fentanyl group. Although the incidence of laryngospasm was higher in the fentanyl group, it was not statistically significant. Conversely, nausea or vomiting was significantly higher in the fentanyl group. The requirement for rescue drugs was significantly higher in the fentanyl group compared to the propofol group. Conclusion: Both propofol and fentanyl were effective in preventing emergence agitation in pediatric patients undergoing various surgical procedures under sevoflurane anesthesia. However, propo

关键词： Emergence Agitation (EA) General Anesthesia Propofol Fentanyl Pediatric Patients Pediatric Anesthesia Emergence Delirium (PAED) Score Bangladesh

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An in vitro demonstration of a passive,acoustic metamaterial as a temperature sensor with mK resolution for implantable applications

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Microsystems & Nanoengineering 2024年第1期10卷 41-54页

作者： Lucrezia Maini Vicente Genovés Roman Furrer Nikola Cesarovic Christofer Hierold Cosmin Roman Micro-and Nanosystems Department of Mechanical and Process EngineeringETH ZurichTannenstrasse 38092 ZurichSwitzerland. Translational Cardiovascular Technology Department of Health Science and TechnologyETH ZurichLeopold-Ruzicka-Weg 48093 ZurichSwitzerland. Transport at Nanoscale Interfaces Swiss Federal Laboratories for Materials Science and TechnologyEMPAÜberlandstrasse 1298600 DübendorfSwitzerland department of cardiothoracic and Vascular Surgery Deutsches Herzzentrum der Charite(DHZC)13353 BerlinGermany

Wireless medical sensors typically utilize electromagnetic coupling or ultrasound for energy transfer and sensor *** transfer and management is a complex aspect that often limits the applicability of implantable sensor *** this work,we report a new passive temperature sensing scheme based on an acoustic metamaterial made of silicon embedded in a polydimethylsiloxane *** to other approaches,this concept is implemented without additional electrical components in situ or the need for a customized receiving unit.A standard ultrasonic transducer is used for this demonstration to directly excite and collect the reflected *** metamaterial resonates at a frequency close to a typical medical value(5 MHz)and exhibits a high-quality *** the design features of the metamaterial with the high-temperature sensitivity of the polydimethylsiloxane matrix,we achieve a temperature resolution of 30 *** value is below the current standard resolution required in infrared thermometry for monitoring postoperative complications(0.1 K).We fabricated,simulated,in vitro tested,and compared three acoustic sensor designs in the 29-43℃(~302-316 K)temperature *** this concept,we demonstrate how our passive metamaterial sensor can open the way toward new zero-power smart medical implant concepts based on acoustic interrogation.

关键词： passive resolution utilize

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Considerations for the use of porcine organ donation models in preclinical organ donor intervention research

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Animal Models and Experimental medicine 2024年第3期7卷 283-296页

作者： Frazer I.Heinis Shaheed Merani Nicholas W.Markin Kim F.Duncan Michael J.Moulton Lance Fristoe William E.Thorell Raechel A.Sherrick Tami R.Wells Matthew T.Andrews Marian Urban School of Natural Resources Institute of Agriculture and Natural ResourcesUniversity of Nebraska-LincolnLincolnNebraskaUSA Division of Transplantation and Vascular Surgery Department of SurgeryUniversity of Nebraska Medical CenterOmahaNebraskaUSA department of Anesthesiology University of Nebraska Medical CenterOmahaNebraskaUSA Division of cardiothoracic Surgery Department of SurgeryUniversity of Nebraska Medical CenterOmahaNebraskaUSA Clinical Perfusion Nebraska Medicine-Nebraska Medical CenterOmahaNebraskaUSA department of Neurosurgery University of Nebraska Medical CenterOmahaNebraskaUSA Nutrition and Health Sciences College of Education and Human SciencesUniversity of Nebraska-LincolnLincolnNebraskaUSA department of Comparative medicine University of Nebraska Medical CenterOmahaNebraskaUSA

Use of animal models in preclinical transplant research is essential to the optimization of human allografts for clinical *** models of organ donation and preservation help to advance and improve technical elements of solid organ recovery and facilitate research of ischemia-reperfusion injury,organ preservation strategies,and future donor-based *** considerations include cost,public opinion regarding the conduct of animal research,translational value,and relevance of the animal model for clinical *** present an overview of two porcine models of organ donation:donation following brain death(DBD)and donation following circulatory death(DCD).The cardiovascular anatomy and physiology of pigs closely resembles those of humans,making this species the most appropriate for pre-clinical *** are also considered a potential source of organs for human heart and kidney *** is imperative to minimize animal loss during procedures that are surgically *** present our experience with these models and describe in detail the use cases,procedural approach,challenges,alternatives,and limitations of each model.

关键词： animal model brain death circulatory death organ transplantation

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Exploring the Role of Serum Cystatin C in Early Detection of Acute Kidney Injury among On-Pump Cardiac Surgery Patients: A Single-Center Investigation in Bangladesh

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World Journal of Cardiovascular Diseases 2024年第6期14卷 363-373页

作者： Md. Ahaduzzaman Md. Abir Tazim Chowdhury Munama Magdum Md. Saiful Islam Khan Satyajit Sharma Monoj Tiwari Md. Abul Bashar Maruf Md. Alauddin Omar Sadeque Khan Md. Mostafizur Rahman Mirza Md. Nazmus Saquib department of cardiothoracic and Vascular Surgery Evercare Hospital Dhaka Dhaka Bangladesh department of Preventive and Social medicine National Institute of Preventive and Social Medicine Dhaka Bangladesh department of cardiothoracic Anesthesia Evercare Hospital Dhaka Dhaka Bangladesh department of Cardiac Surgery National Heart Foundation Hospital & Research Institute Dhaka Bangladesh department of Cardiovascular and Thoracic Surgery B.P. Koirala Memorial Cancer Hospital Bharatpur Chitwan Nepal department of Cardiac Surgery United Hospital Limited Dhaka Bangladesh department of Cardiac Surgery Bangabandhu Sheikh Mujib Medical University Dhaka Bangladesh department of Cardiac Surgery Ibrahim Cardiac Hospital & Research Institute Dhaka Bangladesh

Background: Acute Kidney Injury (AKI) stands as a prominent postoperative complication in on-pump cardiac surgery, with repercussions on morbidity, mortality, and hospitalization duration. Current diagnostic criteria relying on serum creatinine levels exhibit a delayed identification of AKI, prompting an exploration of alternative biomarkers. Aims and Objectives: This study is designed to overcome diagnostic constraints and explore the viability of serum Cystatin C as an early predictor of Acute Kidney Injury (AKI) in individuals undergoing on-pump cardiac surgery. The investigation aims to establish the relationship between serum Cystatin C levels and the onset of AKI in patients subjected to on-pump cardiac surgery. Primary objectives involve the assessment of the diagnostic effectiveness of serum Cystatin C, its comparison with serum creatinine, and the exploration of its potential for the early identification and treatment of AKI. Methodology: Conducted as a single-center study at the cardiac surgery department of BSMMU in Bangladesh from September 2020 to August 2022, a comparative cross-sectional analysis involved 31 participants categorized into No AKI and AKI groups based on Kidney Disease: Improving Global Outcomes (KDIGO) criteria. Data collection encompassed preoperative, post-CBP (cardiopulmonary bypass) conclusion at 2 hours, postoperative day 1, and postoperative day 2 intervals. Statistical analyses included Chi-squared tests, independent Student’s t-tests, and one-sample t-tests. Significance was set at P Results: The study revealed no significant differences in baseline characteristics between the No AKI and AKI groups, except for CPB time and cross-clamp time. Serum Cystatin C levels in the AKI group exhibited statistical significance at various time points, highlighting its potential as an early detector. Conversely, Serum Creatinine levels in the AKI group showed no statistical significance. The Receiver Operating Characteristic (ROC) curve analy

关键词： Acute Kidney Injury (AKI) On-Pump Cardiac Surgery Serum Cystatin C Serum Creatinine Diagnostic Biomarkers Early Detection Cardiopulmonary Bypass Single-Center Study Bangladesh

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