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pneumoperitoneum effects

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https://www.readbyqxmd.com/read/29660910/pneumoperitoneum-induced-ischemia-reperfusion-injury-of-the-peritoneum-preconditioning-may-reduce-the-negative-side-effects-caused-by-carbon-dioxide-pneumoperitoneum-pilot-study
#1
Tünde Gyöngyvér Veres, Ildikó Takács, Tibor Nagy, Gábor Jancsó, Ariella Kondor, László Pótó, András Vereczkei
INTRODUCTION: Laparoscopy is more beneficial than the conventional open technique, however the pneumoperitoneum created may have an ischemic side effect. OBJECTIVE: Our aim was to evaluate the protective effects of preconditioning during laparoscopic cholecystectomies (LC). METHODS: 30 patients were randomized into 2 groups: I. PreC (preconditioning: 5 min. inflation, 5 min. deflation, followed by conventional LC), II: LC (conventional LC)...
April 13, 2018: Clinical Hemorheology and Microcirculation
https://www.readbyqxmd.com/read/29628583/pressure-controlled-volume-guaranteed-mode-improves-respiratory-dynamics-during-laparoscopic-cholecystectomy-a-comparison-with-conventional-modes
#2
Apoorwa Kothari, Deepa Baskaran
Background: Pneumoperitoneum and altered positioning 1in laparoscopic cholecystectomy predispose to alterations in cardiorespiratory physiology. We compared the effects of volume controlled, pressure controlled, and the newly introduced pressure controlled-volume guaranteed ventilation (PCV-VG) modes of ventilation on respiratory mechanics and oxygenation during laparoscopic cholecystectomy. Materials and Methods: Seventy-five physical status American Society of Anesthesiologists Classes I and II patients with normal lungs undergoing laparoscopic cholecystectomy were randomly allocated to receive volume controlled ventilation (VCV), pressure-controlled ventilation (PCV), or PCV-VG modes of ventilation during general anesthesia...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628575/hemodynamic-airway-pressure-and-capnometric-changes-and-perioperative-outcome-in-pediatric-laparoscopic-inguinal-herniorrhaphy-a-comparison-with-open-inguinal-herniorrhaphy
#3
Jyoti Garg, Suniti Kale, Nikki Sabharwal, Deepak Bagga, Anoop Raj Gogia
Background: Laparoscopic procedures which are now established in pediatric population as well exposes the child to supplemental cardiorespiratory changes due to increase in intraabdominal pressure (IAP) and hypercarbia. Aims: This study aims to analyze the effects of pneumoperitoneum and postural modifications on cardiorespiratory system (primary outcome) during pediatric laparoscopic herniorrhaphy (LH) and its comparison with open herniorrhaphy (OH) and assessment of overall perioperative outcome (secondary outcome)...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628560/effect-of-esmolol-and-diltiazem-infusions-on-hemodynamic-response-to-pneumoperitoneum-on-laparoscopic-simple-nephrectomy-a-randomized-controlled-trial
#4
Alka Verma, Divya Srivastava, Mekhala Paul, Arindam Chatterjee, Abhilash Chandra
Background: Several studies have been conducted in search of appropriate drugs to attenuate hemodynamic responses in laparoscopic cholecystectomy, but till date, no such study has been conducted on patients undergoing laparoscopic nephrectomy. Aim: The study was designed to assess the effect of esmolol and diltiazem infusions on hemodynamic changes during routine laparoscopic transperitoneal simple nephrectomy. Settings and Design: A prospective double-blinded randomized control trial...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29628557/intraocular-pressure-changes-during-laparoscopic-surgery-in-trendelenburg-position-in-patients-anesthetized-with-propofol-based-total-intravenous-anesthesia-compared-to-sevoflurane-anesthesia-a-comparative-study
#5
Gagandeep Kaur, Mamta Sharma, Poonam Kalra, Shobha Purohit, Kanchan Chauhan
Background: Intraocular pressure (IOP) is increased during laparoscopic surgery with Trendelenburg position and may contribute to deleterious effects on optic nerve in susceptible patients. Aims: The primary objective of this study is to compare the effects of propofol-based total intravenous anesthesia (TIVA) with those of sevoflurane anesthesia on IOP in patients undergoing lower abdominal laparoscopic surgery in Trendelenburg position. Secondary objectives are to compare hemodynamic changes, mean arterial pressure (MAP), end-tidal CO2 , and peak inspiratory pressure changes...
January 2018: Anesthesia, Essays and Researches
https://www.readbyqxmd.com/read/29599556/evaluation-of-post-operative-pain-after-active-desufflation-at-completion-of-laparoscopy-in-mares-undergoing-ovariectomy
#6
Ian F Devick, Britta S Leise, Sangeeta Rao, Dean A Hendrickson
The cause of transient post-operative pain in a subset of horses undergoing laparoscopy is unclear. The objective of this study was to evaluate if residual pneumoperitoneum is associated with transient post-operative pain in mares undergoing ovariectomy. Thirty-eight mares undergoing routine standing laparoscopic ovariectomy were randomly allocated into 2 groups. At the completion of laparoscopy, either the abdominal cavity was actively desufflated or the cannulas were opened to achieve ambient pressure before incisional closure...
March 2018: Canadian Veterinary Journal. la Revue Vétérinaire Canadienne
https://www.readbyqxmd.com/read/29579555/mechanical-behavior-of-surgical-meshes-for-abdominal-wall-repair-in-vivo-versus-biaxial-characterization
#7
R Simón-Allué, A Ortillés, B Calvo
Despite the widespread use of synthetic meshes in the surgical treatment of the hernia pathology, the election criteria of a suitable mesh for specific patient continues to be uncertain. Thus, in this work, we propose a methodology to determine in advance potential disadvantages on the use of certain meshes based on the patient-specific abdominal geometry and the mechanical features of the certain meshes. To that purpose, we have first characterized the mechanical behavior of four synthetic meshes through biaxial tests...
March 14, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29554957/tension-pneumoperitoneum-after-surgery-for-endometrial-cancer-and-hernia-in-a-morbidly-obese-female-a-case-report
#8
Bing-Sheng Lin, Yan-Shen Shan, Wan-Chen Liu, Chin-Han Wu, Pei-Ying Wu, Keng-Fu Hsu
BACKGROUND: Obesity is a risk factor for the development of endometrial cancer and abdominal wall hernias. We report a case of tension pneumoperitoneum that developed after gynecological surgery and mesh repair of a ventral hernia. CASE PRESENTATION: A 57-year-old Asian Taiwanese woman with a body mass index of 52.9 (kg/m2 ) underwent total abdominal hysterectomy and bilateral salpingo-oophorectomy due to endometrial cancer, and ventral herniorrhaphy with mesh due to ventral hernia...
March 20, 2018: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/29512718/oxidative-damage-and-mitochondrial-injuries-differ-following-pneumoperitoneum-pressure-in-rabbit-models-of-varying-degrees-of-hydronephrosis
#9
Wei Li, Sheng Zhao, Fan Cheng, Ting Rao, Weimin Yu, Yuan Ruan, Run Yuan, Xiaobing Yao
The influence of intraabdominal pressure which is necessary to maintain the operating area during the surgery cannot be ignored especially on the kidneys. Many articles have reported the effect of intraabdominal pressure on normal kidneys. However, the influence of intraabdominal pressure on hydronephrosis kidneys is rarely studied. The aim of the present study was to clarify whether intraabdominal pressure tolerance is modified in various degrees of kidney hydronephrosis by evaluating oxidative damage and mitochondrial injuries...
March 1, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29502381/stomach-perforation-caused-by-ingesting-liquid-nitrogen-a-case-report-on-the-effect-of-a-dangerous-snack
#10
Dong-Wook Kim
We report our experience with a case of stomach perforation after accidental ingestion of liquid nitrogen. A 13-year-old boy ate a snack at an amusement park and began to complain of sudden onset of severe abdominal pain with shortness of breath. It was determined that the snack he had ingested had been cooled with liquid nitrogen. A computed tomography scan of the abdomen and a chest X-ray showed a large volume of pneumoperitoneum. During surgery, a 4-cm perforation of the angularis incisura of the stomach was identified...
March 5, 2018: Clinical Endoscopy
https://www.readbyqxmd.com/read/29501016/management-of-extensive-surgical-emphysema-with-subcutaneous-drain-a-case-report
#11
Quoc Tran, Ryo Mizumoto, Daniel Mehanna
INTRODUCTION: Subcutaneous emphysema (SE) is a frequent and often self-limiting complication of tube thoracostomy or other cardiothoracic procedures. On rare occasions, severe and extensive surgical emphysema marked by palpable cutaneous tension, dysphagia, dysphonia, palpebral closure or associated with pneumoperitoneum, airway compromise, "tension phenomenon" and respiratory failure require treatment. PRESENTATION OF CASE: A 67 year old lady presented with a large spontaneous pneumothorax on the background of end-stage chronic obstructive pulmonary disease (COPD) and newly diagnosed lung cancer, developed extensive surgical emphysema following insertion of a chest drain...
2018: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29484672/in-vitro-evaluation-of-a-simulated-pneumoperitoneum-environment-using-carbon-dioxide-on-canine-transitional-cell-carcinoma
#12
Rashi Asthana, Michelle L Oblak, Ameet Singh, Anthony J Mutsaers
OBJECTIVE: To assess the impact of a simulated CO2 pneumoperitoneum environment on the viability and proliferation of canine transitional cell carcinoma (TCC) cells in vitro. STUDY DESIGN: In vitro study. METHODS: A control Madin-Darby canine kidney (MDCK) cell line and 3 canine TCC cell lines were exposed to 100% CO2 at pressure of 0, 5, 10, or 15 mmHg for 2 hours by using an airtight chamber and a mechanical insufflator at 37°C. Culture media pH was measured...
February 26, 2018: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/29457191/variation-in-intraocular-pressure-caused-by-repetitive-positional-changes-during-laparoscopic-colorectal-surgery-a-prospective-randomized-controlled-study-comparing-propofol-and-desflurane-anesthesia
#13
Kwon Hui Seo, Yong-Shin Kim, Jindeok Joo, Jin-Woo Choi, Hong-Soo Jeong, Si-Wook Chung
Laparoscopic surgery is often prolonged and requires positional changes to facilitate surgical access. Previous studies reported intraocular pressure (IOP) changes in one fixed position. This study investigated the effect of desflurane and propofol anesthesia on IOP during repeated positional changes. A total of 46 patients undergoing laparoscopic colorectal surgery were randomized into desflurane or propofol groups. IOP was measured using a handheld tonometer at seven time points: before induction (baseline), after endotracheal intubation, after pneumoperitoneum, after the first Trendelenburg and right tilt position, after reverse Trendelenburg and right tilt position, after the second Trendelenburg and right tilt position and before endotracheal extubation...
February 19, 2018: Journal of Clinical Monitoring and Computing
https://www.readbyqxmd.com/read/29441909/the-effect-of-continuous-perfusion-of-esmolol-on-cardiovascular-risk-in-elderly-patients-undergoing-noncardiac-surgery
#14
X K Zhang, Q Hu, Q H Chen, W X Wang
We evaluated the effect of continuous perfusion of esmolol on cardiovascular risk during curative laparoscopic surgery for gastrointestinal cancer in elderly patients. Sixty patients with gastrointestinal cancer, aged from 60 to 80 years, were divided into an esmolol group (ES, n = 30) and a control group (NS, n = 30). ES patients were treated with esmolol at a dose of 0.3 mg/kg 3 min before tracheal intubation, and received continuous perfusion of esmolol at a dose of 50 μg/kg/min during operation. In NS, esmolol was replaced by saline...
August 1, 2017: Die Pharmazie
https://www.readbyqxmd.com/read/29416797/hydrogen-protects-against-liver-injury-during-co2-pneumoperitoneum-in-rats
#15
Mingzi Chen, Lihong Jiang, Yue Li, Ge Bai, Jinghua Zhao, Ming Zhang, Jiantao Zhang
The aim of the current study was to identify the protective effect of hydrogen gas against liver injury during CO2 pneumoperitoneum. Rats were randomly divided into three groups: control group (C group), pneumoperitoneum group (P15 group) and hydrogen group (H2 group). Rats in the C group were subjected to anesthesia for 90 min. Rats in the P15 group received an abdominal insufflation of CO2 for 90 min at an intra-abdominal pressure of 15 mmHg. Rats in the H2 group received a hypodermic injection of hydrogen gas (0...
January 5, 2018: Oncotarget
https://www.readbyqxmd.com/read/29415565/effect-of-mannitol-on-ultrasonographically-measured-optic-nerve-sheath-diameter-as-a-surrogate-for-intracranial-pressure-during-robot-assisted-laparoscopic-prostatectomy-with-pneumoperitoneum-and-the-trendelenburg-position
#16
In-Jung Jun, Myong Kim, Joonho Lee, Se-Ung Park, Jai-Hyun Hwang, Jun Hyuk Hong, Young-Kug Kim
INTRODUCTION: Carbon dioxide pneumoperitoneum and the steep Trendelenburg position during robot-assisted laparoscopic prostatectomy (RALP) can increase the intracranial pressure (ICP). Mannitol is widely used to treat increased ICP. However, no studies to date have specifically evaluated the effect of mannitol on ICP in patients undergoing RALP. Ultrasonographic measurement of the optic nerve sheath diameter (ONSD) is considered a reliable technique to noninvasively evaluate the ICP. Therefore, this study compared ONSDs as a surrogate for ICP before and after mannitol administration in prostate cancer patients undergoing RALP...
February 7, 2018: Journal of Endourology
https://www.readbyqxmd.com/read/29394977/bladder-distension-as-a-cause-of-abdominal-compartment-syndrome
#17
Muhammad Yasir, Muhammad Qamarul Hoda, Tauseef Ahmed
Abdominal compartment syndrome (ACS) is increasingly identified in critically ill patient and its harmful effects are well documented. The disparity among the pressure, volume in abdominal cavity and its contents, results in ACS. The actual incidence of ACS is not known. However, it has been observed predominantly in patients with severe blunt and penetrating abdominal trauma, ruptured abdominal aortic aneurysms, retro- and intra-peritoneal hemorrhage, pneumoperitoneum, neoplasm, pancreatitis, ascites and multiple bone fracture...
February 2018: Journal of the College of Physicians and Surgeons—Pakistan: JCPSP
https://www.readbyqxmd.com/read/29382813/acute-hypervolemic-infusion-can-improve-splanchnic-perfusion-in-elderly-patients-during-laparoscopic-colorectal-surgery
#18
Qian-Lin Zhu, Yun-Xin Deng, Bu-Wei Yu, Min-Hua Zheng, Jue Jin
BACKGROUND There is no adequate evidence on how the long duration of laparoscopic surgery affects splanchnic perfusion in elderly patients or the efficacy of acute hypervolemic fluid infusion (AHFI) during the induction of anesthesia. Our aim was to observe the effects of AHFI during the induction of general anesthesia on splanchnic perfusion. MATERIAL AND METHODS Seventy elderly patients receiving laparoscopic colorectal surgery were randomly divided into three groups: lactated Ringer's solution group (group R), succinylated gelatin group (group G), and hypertonic sodium chloride hydroxyethyl starch 40 injection group (group H)...
January 31, 2018: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29373874/more-reasonable-animal-model-for-study-the-effect-of-pneumoperitoneum-on-abdominal-tumor-cells
#19
Lv Qijun, Du Jiang, Wang Chongshu
Background: Many animal experimental studies showed that abdominal tumor cells will be widely spread during laparoscopic treatment and grow into metastases. These results are different from clinical observations. There is a hypothesis that too much tumor cells was injected in the animals lead to the results of theses bias. We aim to learn the difference of abdominal cavity volume between human body and the nude mice and to determine reasonable amount of tumor cells in the animal experiments. Methods: The insufflated CO2 volume which represents the capacity of the abdominal cavity was recorded during laparoscopic process in 212 patients and 20 nude mice respectively, the relative volume of nude mice and human body was calculated...
January 27, 2018: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/29360997/novel-regenerative-therapy-combined-with-transphrenic-peritoneoscopy-assisted-omentopexy
#20
Satoshi Kainuma, Kiyokazu Nakajima, Shigeru Miyagawa, Satsuki Fukushima, Atsuhiro Saito, Akima Harada, Masashi Hirota, Yasuhiro Miyazaki, Noriyoshi Sawabata, Tadashi Watabe, Hiroshi Watabe, Koichi Toda, Jun Hatazawa, Meinoshin Okumura, Yoshiki Sawa
OBJECTIVES: We previously reported that cell sheet transplantation combined with an omentopexy (OP) procedure is more effective for repairing heart damage when compared with cell sheet transplantation alone. However, a simultaneous (conventional) laparotomy as part of the OP may adversely affect the general condition of critically ill heart failure patients who would otherwise benefit from cell sheet transplantation, which is a paradox to be reconciled before this treatment can be applied in a clinical setting...
January 18, 2018: Interactive Cardiovascular and Thoracic Surgery
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