- ICH GCP
- Yhdysvaltain kliinisten tutkimusten rekisteri
- Kliininen tutkimus NCT04566016
General Versus Regional Anaesthesia in Peripheral Arterial Surgery: Incidence of Postoperative Pulmonary Complications.
General Versus Regional Anaesthesia in Peripheral Arterial Surgery: Effects on the Incidence of Postoperative Pulmonary Complications.
Tutkimuksen yleiskatsaus
Tila
Interventio / Hoito
Yksityiskohtainen kuvaus
In this prospective and randomized study, only adult ASA II to IV patients, aged over 18 years, scheduled to undergo lower limb arterial revascularization surgery at the Hospital de Clínicas in Porto Alegre and at the Hospital Nossa Senhora da Conceição will be included.
The study will be designed as a prospective clinical trial. Patients will be randomly allocated for treatment with spinal neuraxial anesthesia associated with spontaneous ventilation (nasal glasses with supplemental oxygen - Group 1) or treatment with general anesthesia under controlled mechanical ventilation (tidal volume from 6 to 8 ml / kg of the assumed weight and PEEP of 5 cmH2O - Group 2).
Sampling will be carried out for convenience, including patients routinely seen in the operating room of the hospitals involved and who meet the inclusion and exclusion criteria of this study. The allocation of patients will be performed through a table of random numbers generated prior to the beginning of the protocol. The process of randomization of patients in the groups will be carried out using random blocks. The method for blinding the study will be carried out using sealed envelopes and will include the blinding of the researchers, evaluators and those responsible for statistical analysis, but will not include the blinding of the attending physician and the patients.
The data will be stored in Excel and analyzed statistically using STATA 12.0 software. The statistical approach will be carried out through the "intention-to-treat" model. The assessment of ventilatory and hemodynamic parameters between the groups will be performed using ANOVA associated with Bonferroni for parametric data or the Kruskal-Wallis test associated with the Mann-Whitney test for nonparametric data. For categorical variables, we will use Fisher's exact test or Chi-square test. Repeated measures ANOVA will be used to assess outcomes between treatment groups over the follow-up period. In order to control important variables, such as surgical time, surgical complications, age, body mass index, and ASA classification (comorbidities), a statistical approach to assess confounding factors (linear regression model) will be performed after the period data collection. Results will be considered statistically significant when type I (P) error is less than 0.05.
Opintotyyppi
Ilmoittautuminen (Odotettu)
Vaihe
- Ei sovellettavissa
Yhteystiedot ja paikat
Opiskelupaikat
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-
RS
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Porto Alegre, RS, Brasilia, 90035903
- Andre Prato Schmidt
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Osallistumiskriteerit
Kelpoisuusvaatimukset
Opintokelpoiset iät
Hyväksyy terveitä vapaaehtoisia
Sukupuolet, jotka voivat opiskella
Kuvaus
Inclusion Criteria:
- Adult patients ASA II to IV; age greater than 18 years; scheduled for arterial revascularization surgery on lower limbs.
Exclusion Criteria:
- Patients with a body mass index above 40 kg / m2 who underwent emergency surgery, with a history of pulmonary surgery, persistent hemodynamic instability in the preoperative period, history of asthma or chronic use of corticotherapy, or patients with history neuromuscular disorder. Patients with a history of use of anticoagulants or antiplatelet agents in the preoperative period who contraindicate the performance of spinal anesthesia will also be excluded from the study. In this study, only patients with peripheral vascular disease with critical and symptomatic ischemia in the lower limbs and scheduled to undergo elective arterial revascularization of the lower limbs will be included, and all patients with acute vascular obstruction or other associated vascular complications will be excluded.
Opintosuunnitelma
Miten tutkimus on suunniteltu?
Suunnittelun yksityiskohdat
- Ensisijainen käyttötarkoitus: Ennaltaehkäisy
- Jako: Satunnaistettu
- Inventiomalli: Rinnakkaistehtävä
- Naamiointi: Kaksinkertainen
Aseet ja interventiot
Osallistujaryhmä / Arm |
Interventio / Hoito |
|---|---|
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Kokeellinen: Regional anesthesia
Patients scheduled for lower limb arterial bypass surgery and allocated for treatment with spinal anesthesia associated with spontaneous ventilation (nasal cannula with supplemental oxygen - Group 1).
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Patients scheduled for lower limb arterial bypass surgery will be randomly allocated for treatment with spinal anesthesia associated with spontaneous ventilation (nasal cannula with supplemental oxygen - Group 1) or treatment with general anesthesia under controlled mechanical ventilation (tidal volume 6 to 8 ml / kg of the predicted body weight and PEEP of 5 cmH2O - Group 2).
Muut nimet:
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Active Comparator: General anesthesia
Patients scheduled for lower limb arterial bypass surgery and allocated for treatment with general anesthesia under controlled mechanical ventilation (tidal volume 6 to 8 ml / kg of the predicted body weight and PEEP of 5 cmH2O - Group 2).
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Patients scheduled for lower limb arterial bypass surgery will be randomly allocated for treatment with spinal anesthesia associated with spontaneous ventilation (nasal cannula with supplemental oxygen - Group 1) or treatment with general anesthesia under controlled mechanical ventilation (tidal volume 6 to 8 ml / kg of the predicted body weight and PEEP of 5 cmH2O - Group 2).
Muut nimet:
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Mitä tutkimuksessa mitataan?
Ensisijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
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Incidence of postoperative pulmonary complications.
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuroaxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on the incidence of pulmonary complications (primary endpoint composed: mild respiratory failure / hypoxemia, severe respiratory failure, suspected pulmonary infection , atelectasis, acute lung injury, barotrauma, pulmonary infiltrate, pleural effusion, bronchospasm, cardiopulmonary edema, acute respiratory distress syndrome - ARDS) in the perioperative period of patients undergoing lower limb bypass surgery.
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7 days
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Toissijaiset tulostoimenpiteet
Tulosmittaus |
Toimenpiteen kuvaus |
Aikaikkuna |
|---|---|---|
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Incidence of hemodynamic complications (secondary outcome consisting of distributive shock or persistent hypotension requiring use of vasoactive drugs)
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuroaxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on the incidence of hemodynamic complications (secondary outcome consisting of distributive shock or persistent hypotension requiring use of vasoactive drugs) in the perioperative period of patients undergoing lower limb bypass surgery.
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7 days
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Incidence of minor ventilatory complications related to the ventilation strategy (desaturation) in the intraoperative period.
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuroaxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on the incidence of minor ventilatory complications related to the ventilation strategy (desaturation) in the intraoperative period of patients undergoing lower limb bypass surgery.
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7 days
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Perioperative pulmonary, gasometric and inflammatory physiological parameters.
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuraxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on perioperative pulmonary, gasometric and inflammatory physiological parameters of patients undergoing lower limb bypass surgery.
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7 days
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Hemodynamic parameters in the perioperative period.
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuroaxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on hemodynamic parameters in the perioperative period of patients undergoing lower limb bypass surgery.
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7 days
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Incidence of various extrapulmonary complications, in-hospital mortality, length of stay in the post-recovery room -anesthetic, and length of hospital stay.
Aikaikkuna: 7 days
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To evaluate the effects of spinal neuraxial anesthesia under spontaneous ventilation (group 1) in relation to general anesthesia under mechanical ventilation (group 2) on the incidence of various extrapulmonary complications (Annex 2), in-hospital mortality, length of stay in the post-recovery room -anesthetic, and length of hospital stay in patients undergoing lower limb bypass surgery.
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7 days
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Yhteistyökumppanit ja tutkijat
Sponsori
Tutkijat
- Opintojen puheenjohtaja: Cristiano F Andrade, Hospital de Clinicas de Porto Alegre
Opintojen ennätyspäivät
Opi tärkeimmät päivämäärät
Opiskelun aloitus (Todellinen)
Ensisijainen valmistuminen (Todellinen)
Opintojen valmistuminen (Odotettu)
Opintoihin ilmoittautumispäivät
Ensimmäinen lähetetty
Ensimmäinen toimitettu, joka täytti QC-kriteerit
Ensimmäinen Lähetetty (Todellinen)
Tutkimustietojen päivitykset
Viimeisin päivitys julkaistu (Todellinen)
Viimeisin lähetetty päivitys, joka täytti QC-kriteerit
Viimeksi vahvistettu
Lisää tietoa
Tähän tutkimukseen liittyvät termit
Avainsanat
Muita asiaankuuluvia MeSH-ehtoja
Muut tutkimustunnusnumerot
- 95165518.6.0000.5327
- RBR-72fpz2 (Muu tunniste: Registro Brasileiro de Ensaios Clínicos (ReBEC))
Yksittäisten osallistujien tietojen suunnitelma (IPD)
Aiotko jakaa yksittäisten osallistujien tietoja (IPD)?
Lääke- ja laitetiedot, tutkimusasiakirjat
Tutkii yhdysvaltalaista FDA sääntelemää lääkevalmistetta
Tutkii yhdysvaltalaista FDA sääntelemää laitetuotetta
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