Associations of maternal PM2.5 exposure with preterm birth and miscarriage in women undergoing in vitro fertilization: a retrospective cohort study by Miaoxin Chen, Qiaoyu Chen, Gengze Liao, Chunyan Sun, Cong Liu, Xia Meng, Wentao Li, Andong Qiu, Orhan Bukulmez, Haidong Kan, Feng Wang, Lap Ah Tse, Xiaoming Teng

“…The objective of this study was to investigate the potential associations between ambient PM2.5 exposure during different periods and negative pregnancy outcomes, such as miscarriage and preterm birth, in patients who underwent assisted reproductive technology (ART).MethodsThis retrospective cohort study examined the outcomes of 2,839 infertile women aged ≤ 45 years who underwent their first fresh or frozen-thawed embryo transfer at the Shanghai First Maternity and Infant Hospital between April 2016 and December 2019. …”
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Pattern of Thyroid Disorders in a Tertiary Care Centre of a High-Altitude Region of Nepal: A hospital-based retrospective study by Tirtha Narayan Sah, Anuraj Anu, Binamra Bista

“…This study aimed to identify the prevalence and pattern of thyroid disorders in this region. Methods: A retrospective hospital-based cross-sectional study was conducted using data from the Karnali Academy of Health Sciences, Jumla, spanning from 1st January–31st December 2023. …”
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Trajectories of systemic immune inflammation index and mortality risk in patients with moderate-to-severe traumatic brain injury: a retrospective cohort study by Zhiyong Tang, Zhiyong Tang, Canlin Liao, Zerui Zhuang, Zhennan Xu, Mingfa Liu, Haixiong Xu

“…This study aimed to determine the dynamic trajectory patterns of the Systemic Immune Inflammation Index (SII) in patients with TBI and assess its association with all-cause hospital mortality.MethodsThis retrospective cohort study utilized a large public database of patients with TBI sourced from the eICU Collaborative Research Database (eICU-CRD). …”
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Incidence, Antibiogram, and Comorbid Conditions of Nontyphoidal Salmonella Infections Before and After the COVID-19 Outbreak: A Retrospective, Cross-sectional Study by Kundoly V. Suseela, Aiswariya Alex, Subi Das, V. Geethalakshmi

“…Materials and Methods: Using a retrospective design, from January 2015 to December 2022, we studied stool samples for the presence of NTS. …”
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Postoperative Morbidity and Mortality of Perforated Peptic Ulcer: Retrospective Cohort Study of Risk Factors among Black Africans in Côte d’Ivoire by Soro Kountele Gona, Mahassadi Kouamé Alassan, Koffi Gnangoran Marcellin, Kissi Ya Henriette, Coulibaly Adama, Assohoun Toussaint, Ehua Adjoba Manuela, Seu Gagon Sylvain, Afum-Adjei Awuah Anthony, Ehua Somian Francis

“…All 161 patients (median age = 34 years, 90.7 male) operated on for PPU in the visceral and general surgery unit were enrolled in a retrospective cohort study. Variables were studied with Kaplan Meier and Cox proportional hazard models. …”
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Clinical characteristics of Plasmodium vivax malaria infection in children and adolescents in the Republic of Korea during the period 2000 to 2016: a retrospective study by Jung Ah Lee, Je Eun Song, Seong Yeon Park, Yoon Soo Park, Yoonseon Park, Yee Gyung Kwak, Sang-Eun Lee, Hyun-Il Shin, Joon-Sup Yeom

“…This study investigates the clinical characteristics of pediatric P. vivax malaria in the ROK from 2000 to 2016. Methods We retrospectively analyzed pediatric patients aged 0–18 years, diagnosed with P. vivax malaria in five hospitals in Goyang City and Seoul. …”
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[Translated article] Thrombotic event prevention in patients undergoing posterior lumbar arthrodesis: Our experience. A retrospective case series study by M. Desviat Ruiz, P. Jordà Gómez, K. Ramón López, J.M. Romero Martínez, J.J. Valls Vilalta, N. Fernández Fernández, Á. Chulvi Gimeno, L. Cuñat Navarro, J. Poyatos Campos

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A Retrospective Claims-Based Study Evaluating Clinical and Economic Burden Among Patients With Moderate to Severe Osteoarthritis Pain in the United States by Patricia B. Schepman, Sheena Thakkar, Rebecca L. Robinson, Craig G. Beck, Deepa Malhotra, Birol Emir, Ryan N. Hansen

“…**Methods:** We conducted a retrospective claims analysis, using IBM® MarketScan® databases, from 2013-2018. …”
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Atherogenic index of plasma and cardiovascular outcomes in female patients undergoing percutaneous coronary intervention: insights from a retrospective cohort study by Yan Jiang

“…A total of 2533 consecutive patients who underwent PCI were included in this retrospective cohort study, and the data from 2098 patients were used. …”
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Variations in the diagnostic performance of transurethral resection of bladder tumor with photodynamic diagnosis according to surgical experience: A retrospective, single-center study by Shuhei Suzuki, Yoshiyuki Nagumo, Kosuke Kojo, Atsushi Ikeda, Bunpei Isoda, Akane Yamaguchi, Kozaburo Tanuma, Satoshi Nitta, Masanobu Shiga, Takashi Kawahara, Shuya Kandori, Akio Hoshi, Hiromitsu Negoro, Bryan J. Mathis, Hiroyuki Nishiyama

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Assessing the Role of Emergency Physicians in Medical Clearance: Predictors of Diagnosing Psychiatric Illness in the Emergency Department – A Retrospective Cross-sectional Study by Ibrahim Khamis Abdullah Almamari, Darpanarayan Hazra, Awatif K. Alsarrai Al-Alawi

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Survival and prognostic factors for primary lung extranodal NK/T-cell lymphoma: a retrospective study of data from China and the SEER database by Qiuyu Li, Haoyu Zuo, Chengyang Liu, Jing Yang, Nini Dai

“…This study aimed to analyze survival outcomes and identify prognostic factors in patients with primary lung ENKTL.MethodsA retrospective analysis was conducted using data from 20 cases of primary lung ENKTL, including four patients who were treated at Peking University Third Hospital in Beijing and 16 patients were extracted from the Surveillance, Epidemiology, and End Results Program database. …”
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Predictive Role of IL-2R and IL-10 in the Anti-inflammatory Response and Antiplatelet Therapy of Kawasaki Disease: A Retrospective Study by Chun Zhang, Lun Chen, Sun Chen, Yan Bian, Jia Shen, Peng Zhang, JiaNi Song

“…Additionally, the therapeutic effect and cardiovascular complications could not be verified until its occurrence. The present retrospective study analyzed the dynamic alterations of inflammatory cytokines, platelet (PLT) count, and subgroups of lymphocytes, such as cluster of differentiation (CD) 8+ T cells and CD19+ B cells, under different conditions in 64 children with KD. …”
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A strategy to increase identification of patients with Familial Hypercholesterolemia: Application of the Simon Broome lipid criteria in a large-scale retrospective analysis by James K. Fleming, Renee M. Sullivan, David Alfego, Natalia T. Leach, Tamara J. Richman, Jill Rafalko

“…Methods: All lipid tests for total cholesterol (TC) and LDL-c ordered through a large nation-wide network of medical laboratories in the United States (US) from 2018 - 2022 were retrospectively evaluated using a decision tree algorithm based on Simon Broome lipid criteria. …”
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A retrospective comparative study on the treatment of non-metastatic pancreatic cancer using high-intensity focused ultrasound versus radical surgery by Li Yu, Yunfei Liu, Zhiqiang Li, Yanyan Huang, Guangping Tu, Qiuling Shi, Lang Chen, Xiao Yu

“…Objective To compare the efficacy and safety of high-intensity focused ultrasound (HIFU) and radical surgery for non-metastatic pancreatic cancer (PC).Materials and methods We retrospectively analyzed 89 stage I/II/III PC patients who underwent HIFU (n = 43) or surgery (n = 46) at the Third Xiangya Hospital from January 2020 to December 2021. …”
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Evaluation of Risk Factors of Surgical Site Infections After a Lower Segment Cesarean Section in Bahrain - A Retrospective Analytical Study by Hasan Almajed, Yusuf Jalili

“…This study aimed to identify the rate and risk factors associated with SSI among women who underwent LSCS at Salmaniya Medical Complex (SMC) in Bahrain. Methods: A retrospective observational study was conducted at SMC in the period between 2020 and 2023. …”
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SARS-CoV-2 pneumonia follow-up and long COVID in primary care: A retrospective observational study in Madrid city. by Sara Ares-Blanco, Marta Pérez Álvarez, Ileana Gefaell Larrondo, Cristina Muñoz, Vanesa Aguilar Ruiz, Marta Castelo Jurado, Marina Guisado-Clavero

“…<h4>Methods</h4>A retrospective observational study in primary care in Madrid, Spain, was conducted. …”
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Temporomandibular Joint Ankylosis among Patients at Saint Paul’s Hospital Millennium Medical College, Ethiopia: A 9-Year Retrospective Study by Dereje Mekonnen, Andamlak Gizaw, Bruktawit Kebede

“…Paul’s Hospital millennium medical college (SPHMMC), Addis Ababa, Ethiopia. Methods. A retrospective descriptive study design was conducted at SPHMMC. …”
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Novel Algorithm for Surgical Management of Cervical Ossification of Posterior Longitudinal Ligament: A Retrospective Cohort Study With 2‐Year Follow‐Up by Zhuyun Cai, Hui Kang, Lei Quan, Yilong Ren, Meng Fang, Yixuan Tan, Haochen Zhang, Xuhui Zhou, Jun Ma

“…Methods This is a single‐centered, retrospective, cohort study utilizing a novel algorithm based on the following three criteria: (1) the positional relationship between ossification and uncinate process (UP), (2) the K‐line, and (3) the ossification segment for surgical decision‐making. …”
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Utilizing vaginal natural orifice to facilitate bowel manipulation during totally intracorporeal ileal conduit construction: a retrospective cohort study by Kaipeng Jia, Shiwang Huang, Zhun Wang, Yuda Lin, Yiduo Bai, Chong Shen, Zhe Zhang, Zhouliang Wu, Yunkai Qie, Hailong Hu

“…Objective To explore the feasibility and efficacy of the modified technique of totally intracorporeal ileal conduit (IC) construction via vaginal approach following robot-assisted radical cystectomy (RARC) in females.Methods By comparing the perioperative outcomes of the modified technique with extracorporeal urinary diversion (ECUD), 31 females treated for bladder cancer with RARC and IC from May 2020 to December 2023 were retrospectively analyzed and divided into two groups: the ECUD group (10 patients) and the modified intracorporeal urinary diversion (MICUD group) (21 patients). …”
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