Evaluation of the reliability and validity of the upright head roll test for lateral semicircular canal benign paroxysmal positional vertigo.

Background: The upright head roll test (UHRT) is a recently introduced diagnostic maneuver for lateral semicircular canal benign paroxysmal positional vertigo (LSC-BPPV).

Objective: This study aimed to evaluate the reliability and validity of the UHRT.

Methods: Two separate studies were conducted.

The diagnostic accuracy of RT-PCR from self-collected saliva versus nasopharyngeal sampling: A systematic review and meta-analysis.

Objectives: To evaluate the diagnostic utility of self-collected saliva in coronavirus desease-19 (COVID-19) screening procedures.

Methods: A total of 6 databases were reviewed from their inception until August 2021. Sensitivity and specificity were measured by extracting items (true-positive, true-negative, false-positive and false-negative) from each paper.

Transoral endoscopic thyroidectomy using a self-retaining retractor as an alternative to carbon dioxide gas insufflation: A comparative analysis of 131 cases.

Although transoral endoscopic thyroid surgery affords several advantages, the use of carbon dioxide (CO2) gas to create and maintain the working space may cause complications such as subcutaneous emphysema and a CO2 embolism. We have used a self-retaining retractor as an alternative to CO2 gas insufflation for some time; we here report its feasibility and safety. We reviewed the medical records of 131 patients who underwent transoral endoscopic thyroid lobectomy; we compared the "CO2 group" and the "retractor" group.

Laparoscopy-assisted distal gastrectomy compared to open distal gastrectomy in early gastric cancer.

Background: This study aimed to evaluate the feasibility of laparoscopy-assisted distal gastrectomy (LADG) in early gastric cancer (EGC) with special interest in a learning curve effect.

Methods: The clinical outcomes of EGC patients who underwent LADG (n = 100) and sex-, age- and body mass index- (BMI) matched EGC patients who underwent open distal gastrectomy (ODG; n = 100) were compared retrospectively. In addition, the outcomes between the early (n = 50) and late LADG group (n = 50) were compared.