Effectiveness of a novel training model for gastric endoscopic submucosal dissection training: a prospective observational study conducted at a single center in Japan by Takahito Toba, Tsuyoshi Ishii, Nobuyuki Sato, Akira Nogami, Aya Hojo, Ryo Shimizu, Ai Fujimoto, Takahisa Matsuda

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Effect of injection pain and withdrawal movement of propofol and rocuronium in the induction of anaesthesia on postoperative pain outcomes in gynaecological laparoscopic surgery: a prospective observational study by Cheol Lee, Hyeonbin Yim, Hyangdo Ham

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Early results of primary total hip arthroplasty performed in young adults at a regional Saudi-Arabian orthopedics center: a prospective observational study by Walid M. Al-Shaer, Ali H. Al-Yami, Mokhtar Ahmed Al-Sayed, Ali Mohammed Al-Zaidan, Emad Ruddah Al-Sufyani, Ahmed A. Khalifa, Raad M. M. Al-Thaqafi, Abdulmohsen H. Al-Hamyani, Mohammed M. Al-Subaie

“…We conducted a prospective observational study over one year by following all patients (≤40 years) who underwent primary THA at a regional Saudi-Arabin orthopedics center. …”
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Navigating diabetes care inequities: an observational study linking chronic care model’s structural elements to process and outcomes of type 2 diabetes care in Belgium by Philippe Bos, Katrien Danhieux, Edwin Wouters, Josefien van Olmen, Veerle Buffel

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Collecting Real-World Data via an In-Home Smart Medication Dispenser: Longitudinal Observational Study of Survey Panel Persistency, Response Rates, and Psychometric Properties by Benjamin Ogorek, Thomas Rhoads, Erica Smith

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Bioethics knowledge, attitudes, and practices among healthcare professionals in Cameroon: a cross sectional analytical observational study of doctors and nurses in Cameroon’s Southwest Region by Kevin T. J. Dzi, Oscaline N. Ndong, Elisabeth Z. Menkem, Nicholas Tendongfor

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Outcome in patients undergoing postponed elective surgery during the COVID-19 pandemic (TRACE II): study protocol for a multicentre prospective observational study by Markus W Hollmann, Gert Jan Scheffer, Wolfgang Buhre, Sander van Kuijk, Seppe Koopman, Dianne de Korte-de Boer, Peter G Noordzij, Alice C Werger, Jennifer Breel, Carolien S E Bulte, Bas A in ‘t Veld, Carin G C L Wensing

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Personalised Lung Cancer Screening (PLuS) study to assess the importance of coexisting chronic conditions to clinical practice and policy: protocol for a multicentre observational study by Yi Guo, Dongyu Zhang, Rafael Meza, Jihyoun Jeon, Dejana Braithwaite, Gerard A Silvestri, Michael K Gould, Jiang Bian, Bruno Hochhegger, Shama D Karanth, Christopher G Slatore, Martin Tammemagi, Mattthew Schabath, Meghann Wheeler, Frederic J Kaye

“…The principal goal of the PLuS study is to characterise the comorbidity burden of individuals undergoing LCS and quantify the benefits and harms of LCS to enable informed decision-making.Methods and analysis PLuS is a multicentre observational study designed to assemble an LCS cohort from the electronic health records of ~40 000 individuals undergoing annual LCS with LDCT from 2016 to 2022. …”
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Letter to the editor: effects of radiotherapy exposure on fruquintinib plus sintilimab treatment in refractory microsatellite stable metastatic colorectal cancer—a prospective observation study by Bi-Cheng Wang

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Pentazocine Misuse among Sickle Cell Disease Patients and The Role of Lack of Enforcement of Opioid Dispensing Regulations by Community Pharmacies: A Descriptive Observational Study by Oluomachi Charity Nnachi, Chinedu Obasi Akpa, Favour Ogonna Nwani, Oghenevwogaga Obukohwo Edenya

“…The study was a descriptive observational study. A 29-item pretested and prevalidated questionnaire was administered to 21 SCD patients with an established history of pentazocine misuse and addiction to establish their demographics, details of opioid use, and their clinical effects. …”
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Comparative Study of Chikungunya Only and Chikungunya-Scrub Typhus Coinfection in Children: Findings from a Hospital-Based Observational Study from Central Nepal by Santosh Pathak, Nagendra Chaudhary, Prativa Dhakal, Sanjay Ray Yadav, Binod Kumar Gupta, Om Prakash Kurmi

“…A hospital-based observational study was conducted in children below 15 years of age over 16-month duration in 2017-2018. …”
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Clinical Evaluation of Short (6 mm) and Longer Implants Placed Side by Side in Posterior Partially Edentulous Area: A 3-Year Observational Study by Masahiro Shimogishi, Sawako Kawakami, Noriko Tachikawa

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Knowledge and attitude among Egyptian medical students regarding the role of human papillomavirus vaccine in prevention of oropharyngeal cancer: a questionnaire-based observational study by Mohammed. N. Abdelaziz, Abdullah Hefnawy, Hajer Azzam, Omar Reisha, Omar Hamdy

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Application of the new ‘XU-line’ in the dynamic ultrasonographic evaluation of the spatial displacement of anterior cervical tissues for airway management: protocol for a prospective observational study by Mao Xu, Yang Zhou, Yujie Wang, Mingfeng Mao, Wanrui Shi

“…This study will use the new ‘XU-line’ in the dynamic ultrasonographic airway evaluation of the spatial displacement of the anterior cervical tissues to determine whether preoperative ultrasonographic assessment of the neck anatomy can predict difficult airway.Methods and analysis This prospective, observational study will be conducted in a single centre. …”
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Comparison of photodynamic therapy and LEEP in women of reproductive age with cervical squamous intraepithelial neoplasia 2 (CIN2): A prospective observational study in China by Cheng Li, Xuanhui Wang, Qiulin Cui, Mian He, Ming Chen

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Incidence and Patterns of Interstitial Lung Disease and Their Clinical Impact on Mortality in Patients with Antineutrophil Cytoplasmic Antibody-Associated Vasculitis: Korean Single-Centre Observational Study by Jang Woo Ha, Jung Yoon Pyo, Sung Soo Ahn, Jason Jungsik Song, Yong-Beom Park, Sang-Won Lee

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Artificial intelligence-derived gut microbiome as a predictive biomarker for therapeutic response to immunotherapy in lung cancer: protocol for a multicentre, prospective, observational study by Ryo Toyozawa, Fumihiro Shoji, Takanori Yamashita, Fumihiko Kinoshita, Shinkichi Takamori, Takatoshi Fujishita, Kensaku Ito, Koji Yamazaki, Naoki Nakashima, Tatsuro Okamoto

“…Nevertheless, the specific composition of the gut microbiome or combination of gut microbes that truly predict the efficacy of immunotherapy is not definitive.Methods and analysis The present multicentre, prospective, observational study aims to discover the specific composition of the gut microbiome or combination of gut microbes predicting the therapeutic response to immunotherapy in lung cancer using artificial intelligence. …”
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Blood pressure control with active ultrafiltration measures and without antihypertensives is essential for survival in hemodiafiltration and hemodialysis programs for patients with CKD: a prospective observational study by Franklin Geovany Mora-Bravo, Pamela Tatiana Morales Torres, Nelson Rojas Campoverde, Guillermina Lucía Blum Carcelen, Juan Cristobal Santacruz Mancheno, Ángel Cristóbal Santacruz Tipanta, Hector Perez-Grovas, Willan Patricio Robles Abarca

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Association Between Patient-Reported Pain and Remission or Low Disease Activity in Patients with Rheumatoid Arthritis: Data from RA-BE-REAL Prospective Observational Study by Peter C. Taylor, Walid Fakhouri, Samuel Ogwu, Ewa Haladyj, Inmaculada de la Torre, Bruno Fautrel, Rieke Alten, Peter Nash, Eugen Feist

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The role of sacubitril/valsartan in abnormal renal function patients combined with heart failure: a meta-analysis and systematic analysis by Xinyue Yang, Jingjing Jin, Meijuan Cheng, Jinsheng Xu, Yaling Bai

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