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Background And Objectives: In has been shown in non-obstetric patients, that a fast acute fluid preload immediately after spinal anesthesia was more effective than a slow preload before regional block to decrease the incidence and severity of arterial hypotension after spinal anesthesia. This study aimed at comparing the incidence of arterial hypotension and vasopressants consumption in parturients submitted to C-section under spinal anesthesia with different fluid preload regimens.
Methods: Sixty term pregnant women submitted to C-section under spinal anesthesia. Patients were randomly distributed in three groups receiving acute preload (10 ml kg(-1) lactated Ringer's) as follows: Group 1 (n = 20), before spinal anesthesia through 18G catheter; Group 2 (n = 20), after spinal anesthesia through 18G catheter and Group 3 (n = 20), after spinal anesthesia through 16G catheter with pressurizer. Blood pressure (BP) was monitored at 1-minute intervals until delivery and 0.2 mg bolus metaraminol was administered for any BP decrease from baseline values; 0.4 mg was administered for BP decrease >or= 20%. Control blood pressure was defined as the mean of three successive SBP values obtained before acute preload and spinal block. Variables studied were: preload rate, incidence of maternal arterial hypotension, nausea, vomiting, vasopressants consumption, Apgar scores and umbilical artery pH.
Results: Acute preload was faster in Group 3 as compared to Groups 1 and 2 (201 +/- 61 vs 56 +/- 13 and 59 +/- 21 ml min(-1), p < 0.05). Groups were similar regarding the incidence of arterial hypotension, nausea and vomiting, metaraminol consumption, Apgar scores and umbilical artery pH.
Conclusions: Acute preload before or after spinal anesthesia performance, in a slow or fast rate, does not change vasopressants consumption, the incidence of maternal arterial hypotension, nausea and vomiting, as well as fetal wellbeing.
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http://dx.doi.org/10.1590/s0034-70942004000100003 | DOI Listing |
Front Pharmacol
December 2024
Department of Anesthesiology, Shaoxing People's Hospital, Shaoxing Hospital of Zhejiang University, Shaoxing, China.
Background: Shivering, nausea and vomiting are common complications in cesarean section during neuraxial anesthesia. The aim of this study was to investigate the effects of prophylactic use of ondansetron on intraoperative shivering, nausea and vomiting in women undergoing cesarean section.
Methods: A total of 80 full-term parturients were randomly divided into the ondansetron group and the control group.
Drug Des Devel Ther
December 2024
Department of Anaesthesiology, Peking University People's Hospital, Peking, People's Republic of China.
Background: The 15° left tilt position during caesarean delivery has been recommended by guidelines for many years, but recent studies have questioned the clinical benefit of left tilt position. We hypothesize that using a higher starting dose of metaraminol in the supine position will result in a non-inferior umbilical arterial pH, compared to the 15° left tilt position.
Methods: Healthy women undergoing elective caesarean delivery were randomized to the supine position (n = 62) or 15° left tilt position (n = 62) after spinal anaesthesia (0.
Front Pain Res (Lausanne)
December 2024
Anesthesiology, University of California, San Diego, CA, United States.
The neuraxial delivery of drugs for the management of pain and other spinal pathologies is widely employed and is the subject of a large volume of ongoing research with several thousand papers appearing in the past 5 years alone on neuraxial delivery. Several learned texts have been recently published. A number of considerations have contributed to this widespread interest in the development of the use of neuraxial therapeutics to manage pain.
View Article and Find Full Text PDFJBJS Essent Surg Tech
December 2024
Department of Orthopaedic Surgery, Cleveland Clinic Foundation, Cleveland, Ohio.
Background: Unicompartmental knee arthroplasty (UKA) procedures have become much more common in the United States in recent years, with >40,000 UKAs performed annually. However, it is estimated that 10% to 40% of UKAs fail and thus require conversion to total knee arthroplasty (TKA). In the field of total joint arthroplasty, robotic-assisted surgeries have demonstrated advantages such as better accuracy and precision of implant positioning and improved restoration of a neutral mechanical axis.
View Article and Find Full Text PDFInterv Pain Med
December 2024
Department of Physical and Rehabilitation Medicine, University of Turku, Turku, Finland.
Background: Spinal Cord Stimulation (SCS) is a widely recognized treatment for Complex Regional Pain Syndrome (CRPS), particularly in cases where traditional methods are ineffective. This paper systematically reviews randomized controlled trials to analyze the efficacy of SCS, as well as Dorsal Root Ganglion (DRG) Stimulation in treating CRPS, focusing on its long-term effectiveness.
Methods: This systematic review focused exclusively on randomized controlled trials to assess a primary outcome of improvement in pain symptoms in patients diagnosed with CRPS.
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