Publications by authors named "Qiyuan Yao"

Background: Hyperuricemia is a metabolic disorder associated with obesity. Many studies have reported the effect of bariatric surgery on the decrease of serum uric acid level in patients with hyperuricemia. However, since the update of diagnostic criteria of hyperuricemia, the correlation between preoperative body mass index, postoperative weight changes, and the remission of hyperuricemia in patients with obesity after sleeve gastrectomy requires consensus.

View Article and Find Full Text PDF

Background: The management of a recurrent (symptomatic) hiatal hernia remains controversial. This study aimed to review the outcomes of patients who underwent recurrent repair of hiatal hernias.

Methods: Thirteen patients who underwent recurrent hiatal hernia repairs at our hospital between 2018 and 2024 were reviewed retrospectively.

View Article and Find Full Text PDF
Article Synopsis
  • High molecular weights and moduli are necessary for polymer composites to withstand deformation during hot press molding, often resulting in poor flexibility and complicated preparation processes.
  • A novel method is introduced to create flexible composites with large-size segregated structures by using silver-coated polydopamine-modified reduced graphene oxide as conductive fillers and PDMS-coated POE beads in a simple shaking process.
  • The resulting composites demonstrate excellent electrical conductivity and strong EMI shielding effectiveness while maintaining stability after mechanical stress, highlighting their potential for practical applications.
View Article and Find Full Text PDF

Purpose: Parastomal hernia (PH) is a frequent complication following radical cystectomy and ileal conduit. The purpose of this study was to summarize the clinical experience and technical characteristics of laparoscopic Sugarbaker repair of PH following radical cystectomy and ileal conduit.

Methods: We retrospectively evaluated all patients who underwent laparoscopic treatment of PH following radical cystectomy and ileal conduit at Huashan Hospital, Fudan University from May 2013 to December 2022.

View Article and Find Full Text PDF

Purpose: To review the safety and efficacy of Lap-re-Do technique in the treatment of large parastomal hernia.

Methods: We retrospectively analyzed the recurrence and complications of 81 patients with large parastomal hernia who underwent Lap-re-Do technique in Huashan Hospital of Fudan University from May 2010 to December 2019. And the patients should be able to complete follow-up.

View Article and Find Full Text PDF

In recent years, the widespread prevalence of diabetes has become a major killer that threatens the health of people worldwide. Of particular concern is hyperglycemia-induced vascular endothelial injury, which is one of the factors that aggravate diabetic vascular disease. During the process of diabetic vascular endothelial injury, apoptosis is an important pathological manifestation and autophagy is a key regulatory mechanism.

View Article and Find Full Text PDF

Objectives: Obesity and non-alcoholic fatty liver disease (NAFLD) are major health concerns. The circadian rhythm is an autonomous and intrinsic timekeeping system closely associated with energy metabolism and obesity. Thus, this study explored the role of brain and muscle aryl hydrocarbon receptor nuclear translocator-like1 (BMAL1), a circadian clock regulator, in the development of obesity and NAFLD.

View Article and Find Full Text PDF

Purpose: We investigated the optimal number of valid measurements (VMs) for the attenuation coefficient (AC) to assess liver steatosis using attenuation imaging (ATI) and explored factors that may affect AC measurement in patients with metabolic dysfunction-associated fatty liver disease (MAFLD).

Materials And Methods: A total of 139 patients with MAFLD who underwent ATI and liver biopsy were enrolled. Hepatic steatosis was graded as S0-3 according to the SAF scoring system.

View Article and Find Full Text PDF

Thermal homeostasis is vital for mammals and is controlled by brain neurocircuits. Yet, the neural pathways responsible for cold defense regulation are still unclear. Here, we found that a pathway from the lateral parabrachial nucleus (LPB) to the dorsomedial hypothalamus (DMH), which runs parallel to the canonical LPB to preoptic area (POA) pathway, is also crucial for cold defense.

View Article and Find Full Text PDF

Background: Management of gastric leak after sleeve gastrectomy (SG) is challenging due to its unpredictable outcomes. We aimed to summarize the characteristics of SG leaks and analyze interventions and corresponding outcomes in a real-world setting.

Methods: To retrospectively review of 15,721 SG procedures from 2010 to 2020 based on a national registry.

View Article and Find Full Text PDF

Background: High-fat diet (HFD) induced obesity is characterized with chronic low-grade inflammation in various tissues and organs among which colon is the first to display pro-inflammatory features associated with alterations of the gut microbiota. Sleeve gastrectomy (SG) is currently one of the most effective treatments for obesity. Although studies reveal that SG results in decreased levels of inflammation in multiple tissues such as liver and adipose tissues, the effects of surgery on obesity related pro-inflammatory status in the colon and its relation to the microbial changes remain unknown.

View Article and Find Full Text PDF

Aims: To examine how metabolic status is associated with microvascular phenotype and to identify variables associated with vascular remodeling after bariatric surgery, using noninvasive optical coherence tomography angiography (OCTA).

Methods: The study included 136 obese subjects scheduled for bariatric surgery and 52 normal-weight controls. Patients with obesity were divided into metabolically healthy obesity (MHO) and metabolic syndrome (MetS) groups according to the diagnosis criteria of the Chinese Diabetes Society.

View Article and Find Full Text PDF

Purpose: To introduce our surgical strategies for recurrent parastomal hernia after a primary repair with a Dynamesh IPST mesh.

Methods: Ten patients who underwent recurrent parastomal hernia repair with previous Dynamesh IPST mesh use were analyzed retrospectively. Distinct surgery strategies were applied.

View Article and Find Full Text PDF

Cyclic -halamines are highly antimicrobial, very stable, and not susceptible to bacterial resistance. A polysiloxane delivery vehicle was synthesized to deliver cyclic imide -halamine onto cellulose via a benign and universal procedure that does not require a harmful solvent or chemical bonding. In brief, Knoevenagel condensation between barbituric acid and 4-hydroxybenzaldehyde furnished 5-(4-hydroxybenzylidene)pyrimidine-2,4,6-trione, whose phenolic O-H was subsequently reacted with the Si-H of poly(methylhydrosiloxane) (PMHS) via silane alcoholysis.

View Article and Find Full Text PDF

Precise monitoring of internal temperature is vital for thermal homeostasis in mammals. For decades, warm-sensitive neurons (WSNs) within the preoptic area (POA) were thought to sense internal warmth, using this information as feedback to regulate body temperature (T). However, the cellular and molecular mechanisms by which WSNs measure temperature remain largely undefined.

View Article and Find Full Text PDF

This study aimed to assess the thickness and shear wave speed (SWS) of the anterolateral abdominal wall muscles in female patients with incisional hernias of different widths, in order to analyze the biomechanical properties of abdominal wall muscles. This study included 53 patients with incisional hernia (Group A [hernia width <4 cm]: 21 patients, Group B [hernia width ≥4 cm]: 32 patients). The muscle thickness and SWS values of the external oblique (EO), internal oblique (IO), and transversus abdominis (TrA), and the hernia width were measured using Siemens Acuson S2000 ultrasound systems.

View Article and Find Full Text PDF

Objective: Vertical Sleeve Gastrectomy (VSG) is one of the most efficacious treatments for obesity and its comorbidities. Although a range of evidence suggests that alterations of the microbiota in the distal gut following VSG are pivotal to these metabolic improvements, the effect of surgery to alter the microbiota of the proximal intestine and its effect on host physiology remain largely unknown. As the main bacteria in the upper small intestine, Lactobacillus subspecies have been appreciated as important regulators of gut function.

View Article and Find Full Text PDF

Objective: To determine the value of shear wave elastography (SWE) in assessing abdominal wall muscles, including rectus abdominis (RA), external oblique muscle (EO), internal oblique muscle, and transversus abdominis (TrA) in patients with diastasis recti abdominis (DRA) and healthy controls.

Methods: From October 2018 to December 2019, 36 postpartum DRA patients and 24 nulliparous healthy women were identified. Inter-rectus distance (IRD) measurements were taken by B-mode ultrasound.

View Article and Find Full Text PDF

Background: Bariatric surgery may be indicated in patients with nonalcoholic fatty liver disease (NAFLD) to achieve and maintain the degree of weight loss required to ensure therapeutic effects. However, bariatric surgery is still underrecognized in the treatment of NAFLD, including its inflammatory subtype, nonalcoholic steatohepatitis (NASH). Moreover, there is a lack of follow-up outcome data on different types of bariatric surgery in patients with NAFLD.

View Article and Find Full Text PDF

Background: The TM4 (UBAC2) protein, which contains 4 transmembrane domains and one ubiquitin binding domain, is mainly expressed in cell and nuclear membranes. The current research aimed to explore the role of TM4 in metabolic inflammation and to examine whether the ubiquitin-proteasome inhibitor PS-341 could regulate the function of TM4.

Methods: The metabolic phenotypes of TM4 knockout (KO) mice were studied.

View Article and Find Full Text PDF

Purpose: Recently, more than 10 models have been developed to predict remission of type 2 diabetes mellitus (T2DM) after metabolic surgery. The ABCD score was compared to the individualized metabolic surgery (IMS) score in terms of prediction of T2DM remission, but which of the two scoring systems is better remains controversial.

Methods: Patient data from 463 obese East Asian patients who underwent laparoscopic Roux-en-Y gastric bypass (RYGB), sleeve gastrectomy (SG), or SG with duodenojejunal bypass (SG-DJB) as a primary operation and were followed for at least 3 years were retrospectively collected from 24 institutions.

View Article and Find Full Text PDF

Promoting development and function of brown and beige fat may represent an attractive treatment of obesity. In the current study, we show that fat expression is markedly induced by cold exposure and a β-adrenergic agonist. Moreover, expression levels in human white adipose tissue (WAT) are inversely correlated with adiposity, and overexpression in primary fat cells stimulates cellular thermogenesis, which is dependent.

View Article and Find Full Text PDF

Background: /Objective: Non-alcoholic fatty liver disease (NAFLD) is the most prevalent chronic liver disease, and effective treatments are lacking. Bariatric surgery, including sleeve gastrectomy (SG), is a potential therapeutic strategy for NAFLD, but the molecular mechanisms underlying its effects are not fully understood. In this study, the effects of SG and the underlying mechanisms were evaluated in a mouse model of high-fat diet (HFD)-induced NAFLD.

View Article and Find Full Text PDF