[Effect of transcutaneous electrical acupoint stimulation on catheter related bladder discomfort after ureteroscopic lithotripsy].

Objective: To verify the efficacy of transcutaneous electrical acupoint stimulation (TEAS) on catheter related bladder discomfort after ureteroscopic lithotripsy.

Methods: Sixty male patients with selective ureteroscopic lithotripsy under general anesthesia were randomly divided into a TEAS group (30 cases, one case dropped off) and a sham TEAS group (30 cases, 2 cases dropped off). Before anesthesia induction, the patients in the TEAS group were treated with TEAS at Guanyuan (CV 4), Zhongji (CV 3), Zusanli (ST 36) and Sanyinjiao (SP 6) for 30 min, with disperse-dense wave, frequency of 2 Hz/ 15 Hz and current intensity of 6 to 10 mA.

Role of the Toll‑like receptor 3 signaling pathway in the neuroprotective effect of sevoflurane pre‑conditioning during cardiopulmonary bypass in rats.

The aim of the present study was to explore the roles and possible molecular mechanism of the alleviating effect of sevoflurane pre‑treatment on the extracorporeal circulation and to investigate the possible involvement of the Toll‑like receptor (TLR3) signaling pathway. A total of 64 male Sprague Dawley rats were randomly divided into three groups: The sham operation group (H group; n=8), cardiopulmonary bypass (CPB) group (C group; n=24) and sevoflurane pre‑conditioning group (S group; n=32). The C group was subjected to tracheal intubation and mechanical ventilation, vessel puncture and catheter placement in the right femoral artery and right internal jugular vein, while no CPB was performed in the H group.

Penehyclidine hydrochloride attenuates the cerebral injury in a rat model of cardiopulmonary bypass.

This study investigated the effect of penehyclidine hydrochloride (PHC) on regulatory mediators during the neuroinflammatory response and cerebral cell apoptosis following cardiopulmonary bypass (CPB). Forty-eight rats were randomly divided among 4 groups as follows: sham-operation, vehicle, low-dose PHC (0.6 mg·(kg body mass)(-1)), and high-dose PHC (2.

Effects of sevoflurane before cardiopulmonary bypass on cerebral oxygen balance and early postoperative cognitive dysfunction.

Postoperative cognitive dysfunction (POCD) is associated with cardiopulmonary bypass (CPB). We investigated the effect of different doses of inhaled sevoflurane administered prior to CPB on cerebral oxygen supply and demand, and the incidence of associated early POCD. One hundred and twenty patients were randomly allocated into four treatment groups (n = 30, each) and administered a high- [1.

Penehyclidine hydrochloride preserves the intestinal barrier function in patients undergoing cardiopulmonary bypass.

Objective: The study objective was to investigate the protective effect of penehyclidine hydrochloride on intestinal barrier function integrity and its therapeutic potential on endotoxemia and systemic inflammatory response in patients undergoing cardiopulmonary bypass.

Methods: Forty patients undergoing cardiac valve replacement with cardiopulmonary bypass were enrolled in the study. All patients were randomly divided into the penehyclidine hydrochloride or control group (20 patients in each group).

Probiotics can alleviate cardiopulmonary bypass-induced intestinal mucosa damage in rats.

Background: Cardiopulmonary bypass (CPB) is commonly applied to support circulation during heart surgery but frequently causes adverse effects.

Aims: The purpose of this study was to examine the potential of probiotics to improve small intestinal mucosa barrier function after CPB.

Methods: Twenty-four adult male SD rats were randomly divided into sham-operated (S), CPB-operated (CPB), and probiotic-fed (Y) groups.

Protective effects of recombinant human bone morphogenetic protein-7 on focal cerebral ischemia-reperfusion injury.

This study was to investigate the protective effect of recombinant human bone morphogenetic protein-7 (rhBMP-7) on focal cerebral ischemia-reperfusion (IR) injuries and their underlying mechanisms. An intraluminal suture method was used to generate a middle cerebral artery occlusion model in rats, which was followed by reperfusion. A sham operation (SO) group underwent the procedure without occlusion, whereas an IR group and rhBMP-7 treated group (RT) underwent occlusion in the absence and presence of rhBMP-7 (250 μg/kg) administered via a femoral vein injection 30 minutes prior to reperfusion.

Effects of penehyclidine hydrochloride on rat intestinal barrier function during cardiopulmonary bypass.

Aim: To test the ability of penehyclidine hydrochloride (PHC) to attenuate intestinal injury in a rat cardiopulmonary bypass (CPB) model.

Methods: Male Sprague-Dawley rats were randomly divided into six groups (eight each): sham-operated control; sham-operated low-dose PHC control (0.6 mg/kg); sham-operated high-dose PHC control (2.

Effects of mouse recombinant bone morphogenetic protein-7 transfection on cell apoptosis, NF-kappaB, and downstream genes in cultured primary cardiomyocytes after simulated ischemia and reperfusion injury.

Aim: To evaluate the acting mechanism of bone morphogenetic protein-7 in anti-ischemic protective effect, we investigate the effects of BMP-7 transfection on cell apoptosis, NF-kappaB activity, and downstream genes in neonatal rat cardiomyocytes during simulated ischemia-reperfusion.

Method: In vitro cultured neonatal rat cardiomyocytes were divided into four groups: normal control group (Group C), simulated ischemia-reperfusion group (Group IR: cultured cardiomyocytes were subjected to 2 hours hypoxia followed by 4 hours reoxygenation), transfected group (Group BT: after transfection with pcDNA3.1-BMP-7 plasmid, cardiomyocytes were subjected to 2 hours hypoxia/4 hours reoxygenation), and empty vector control group (Group ET: same as group BT except that cells were transfected with empty pcDNA3.

[Preventive effect of endothelial nitric oxide synthase gene transfer on chronic hypoxic pulmonary hypertension in rats].

Objective: To investigate the preventive effect of endothelial nitric oxide synthase (eNOS) gene transfer on chronic hypoxic pulmonary hypertension (CHPH) in rats.

Methods: Twenty-four male Wistar rats were randomly divided into four groups with 6 rats in each group: normoxia group (group N), hypoxia group (group H), hypoxia with LacZ group (group H-LacZ) and hypoxia with eNOS group (group H-eNOS). AdCMVceNOS, AdCMVLacZ or normal saline (NS) was injected intratracheally 3 days before the beginning of exposure to normoxia or hypoxia.

Effects of cardiopulmonary bypass on tight junction protein expressions in intestinal mucosa of rats.

Aim: To investigate the tight junction protein expressions of intestinal mucosa in an experimental model of cardiopulmonary bypass (CPB) in rats.

Methods: Thirty anesthetized rats were randomly divided into two groups: Group S (n = 10) served as sham operation and group C (n = 20) served as CPB which underwent CPB for 1 h. Expression of occludin and zonula occludens-1 (ZO-1) were determined by Western blotting and immunotochemistry, respectively.

[Effects of varglaucocalyx on c-fos gene expression during global myocardial ischemia-reperfusion in rat].

Objective: To determine the effects of Varglaucocalyx on c-fos gene expression during global myocardial ischemia-reperfusion.

Method: Forty Wistar rats were divided into 5 groups: group N as control; group CN as ischemia-reperfusion control and group XH, XM and XL treated with Varglaucocalyx 5%, 1%, 0.5% respectively prior to ischemia-reperfusion.