Examinando por Autor "GONZALEZ, JUAN"

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Impact of implementation of an enhanced recovery after surgery (ERAS) program in laparoscopic Roux-en-Y gastric bypass: a prospective randomized clinical trial
(Elsevier, 2018-11-13) RUIZ TOVAR, JAIME; GARCIA, ALEJANDRO; FERRIGNI, CARLOS; GONZALEZ, JUAN; CASTELLON, CAMILO; DURAN, MANUEL
Background: The essence of enhanced recovery after surgery (ERAS) program is the multimodal approach, and many authors have demonstrated safety and feasibility in fast-track bariatric surgery. Objectives: The aim of this study was to evaluate the postoperative pain after the implementation of an ERAS protocol in Roux-en-Y gastric bypass and to compare it with the application of a standard care protocol. Setting: University Hospital Rey Juan Carlos, Madrid, Spain. Methods: A prospective randomized clinical trial of all the patients undergoing Roux-en-Y gastric bypass was performed. Patients were randomized into the following 2 groups: those patients after an ERAS program and those patients after a standard care protocol. Postoperative pain, nausea or vomiting, morbidity, mortality, hospital stay, and analytic acute phase reactants 24 hours after surgery were evaluated. Results: One hundred eighty patients were included in the study, 90 in each group. Postoperative pain (16 versus 37 mm; P < .001), nausea or vomiting (8.9% versus 2.2%; P = .0498), and hospital stay (1.7 versus 2.8 d; P < .001) were significantly lower in the ERAS group. There were no significant differences in complications, mortality, and readmission rates. White blood cell count, serum fibrinogen, and C reactive protein levels were significantly lower in the ERAS group 24 hours after surgery. Conclusion: The implementation of an ERAS protocol was associated with lower postoperative pain, reduced incidence of postoperative nausea or vomiting, lower levels of acute phase reactants, and earlier hospital discharge. Complications, reinterventions, mortality, and readmission rates were similar to that obtained after a standard care protocol.
Laparoscopic-Guided Transversus Abdominis Plane (TAP) Block as Part of Multimodal Analgesia in Laparoscopic Roux-en-Y Gastric Bypass Within an Enhanced Recovery After Surgery (ERAS) Program: a Prospective Randomized Clinical Trial
(Springer, 2018-07-07) RUIZ TOVAR, JAIME; GARCIA, ALEJANDRO; FERRIGNI, CARLOS; GONZALEZ, JUAN; LEVANO LINARES, CESAR; JIMENEZ FUERTES, MONTIEL; LLAVERO, CAROLINA; DURAN, MANUEL
Background: Despite the ultrasound guidance of transversus abdominis plane (TAP) blocks has allowed greater precision of needle placement in the desired tissue plane, visualization of the abdominal wall muscles can be hindered by morbid obesity and could lead to failed regional anesthesia. The aim of this study was to assess the feasibility and effect of laparoscopic-guided TAP block in patients undergoing Roux-en-Y gastric bypass and to compare it with port-site infiltration. Patients and Methods: A prospective randomized clinical trial was performed. Patients were randomized into two groups: patients undergoing laparoscopic-guided TAP (TAP-lap) and patients undergoing port-site infiltration (PSI). Pain quantification as measured by visual analogic scale (VAS) and morphine needs during the first 24 h were evaluated. Results: One hundred and forty patients were included, 70 in each group. The mean operation time was 83.3 + 15.6 min in TAPlap and 80.5 + 14.4 min in PSI (NS). The mean postoperative pain, as measured by VAS, 24 h after surgery was 16.8 + 11.2 mm in PSI and 10 + 8.1 mm in TAP-lap (p = 0.001). Morphine rescues were necessary in 13.2% in PSI and 2.9% in TAP-lap (p = 0.026). The mean hospital stay was 2.1 + 1.2 days in TAP-lap and 2.9 + 1.3 days in PSI (p = 0.019). Hospital discharge during the first 48 h after surgery was possible in 52.9% of the patients in PSI and 71% in TAP-lap (OR 4.75; 95% CI 2.1–10.8; p = 0.029). Conclusion: Laparoscopic-guided TAP block can reduce postoperative pain, opioid needs, and hospital stay, when compared with port-site infiltration with the same anesthetic drug, without increasing operation time. Trial Registration ClinicalTrials.gov Identifier: NCT03203070
Preoperative administration of Omega-3 fatty acids on postoperative pain and acute-phase reactants in patients undergoing Roux-en-Y gastric bypass: A randomized clinical trial
(Elsevier, 2018-07-28) RUIZ TOVAR, JAIME; BLANCA, MARIA; GARCIA, ALEJANDRO; GONZALEZ, JUAN; GUTIERREZ, SONSOLES; PANIAGUA, AMALIA; PRIETO, MARIA JOSE; RAMALLO, LUISA; LLANOS, LUCIA; DURAN, MANUEL
Background: The term “Immunonutrition” (IMN) describes the enteral administration of certain substrates with a theoretical immunomodulating function. From all the elements conforming these IMN formulas, Omega-3 fatty acids (O3FA) are hypothesized to be the most important component for immunomodulation, with increased anti-inflammatory and antioxidant effect. Patients and methods: A prospective randomized clinical trial of all the patients undergoing laparoscopic Roux-en-Y gastric bypass was performed. Patients were randomly assigned into 2 groups: those patients receiving a preoperative balanced energy high-protein formula (Control Group) and those ones who received the same preoperative nutritional formula enriched with O3FA (Experimental Group). In both groups, there was a restriction to 900 Kcal/day. Nutritional intervention started 10 days before surgery and was maintained up to 8 h before the surgical act. Preoperative weight loss, postoperative pain, complications and acute phase reactants were investigated. Results: 40 patients were included in the study, 20 in each group. Preoperative excess weight loss (EWL) with the prescribed treatment was 10.6 ± 7.7% in Control Group and 14.1 ± 5.8% in the Experimental Group (p ¼ 0.024). Mean postoperative pain was 25 ± 9.2 mm in Control group and 10,9 ± 4,4 mm in Experimental Group (p ¼ 0.015). CRP determined 24 h after surgery was significantly lower in the Experimental Group than in the Control Group. There were not significant differences in complications, mortality or readmission rates between groups. Conclusions: The use of a nutritional supplement enriched with O3FA is associated with a greater preoperative weight loss, reduced postoperative pain and decreased postoperative levels of C reactive protein.