BackgroundMost observations of non-intubated anesthesia under spontaneous breathing are small-cohort, non-homogeneous surgery types and lack an intubation control. We therefore retrospectively compared the perioperative conditions and postoperative recovery of non-intubated video-assisted thoracoscopic surgery (NIVATS group) and intubated VATS (IVATS group) with a propensity score-matching analysis.Material/MethodsWe case-matched 119 patients in the NIVATS group with patients in the IVATS group by a propensity score-matched analysis. All of them underwent lobectomy.ResultsIn the NIVATS group, operative and anesthesia times were significantly shorter (P<0.01). NIVATS showed a faster and more stable recovery in the PACU, postoperative awaking and post-anesthesia care unit (PACU) stay times was shorter (P<0.01), and use of sedatives and analgesics was lower (P<0.05). The incidence of pulmonary exudation, atelectasis, and pleural effusion were higher (P<0.05). Although intraoperative SpO2 was lower and PETCO2 was higher in the NIVATS group (P<0.01), postoperative PaCO2 and SaO2 in both groups were similar (P>0.05). Postoperative counts of leukocytes and neutrophils and hemoglobin levels also had no difference between the 2 groups (P>0.05).ConclusionsNIVATS has a more rapid and stable recovery in the PACU, and has no significant influence on oxygenation, but is more likely to cause postoperative radiologic complications.
Objective Single-stage sequential bilateral video-assisted thoracoscopic surgery (VATS) is a controversial procedure. In the present study, we retrospectively compared the outcomes of single-stage and two-stage VATS. Methods This study involved patients who underwent single-stage sequential bilateral VATS (SS-VATS group) or two-stage VATS at a 3-month interval (TS-VATS group) for treatment of non-small cell lung cancer from 2010 to 2018. The major outcome was the comparison of intraoperative changes. Results The inspiratory peak pressure was higher, the incidences of intraoperative hypoxia and unstable hemodynamics were higher, the surgical time was longer, and the durations of the intensive care unit stay and postoperative hospitalization were longer in the SS-VATS group than in the TS-VATS group. However, the chest tube duration, incidence of postoperative mechanical ventilation, and clinical complications were not different between the two groups. Conclusions Compared with two-stage VATS, single-stage sequential bilateral VATS can be performed for successful treatment of bilateral pulmonary lesions with a shorter total time and higher cost-effectiveness in terms of anesthesia and hospitalization but with a higher incidence of intraoperative adverse effects and a longer hospital stay.
Background: The risk factors for postoperative complications in non-intubated video-assisted thoracoscopic surgery (VATS) have not been observed before. Here to develop a simple risk score to predict the risk of postoperative complications for patients who scheduling non-intubated VATS, which is beneficial to guide the clinical interventions. Methods: A total of 1,837 patients who underwent non-intubated VATS were included from January 2011 to December 2018. A development data set and a validation data set were allocated according to an approximate 3:2 ratio of total cases. The stepwise logistic regression was used to establish a risk score model, and the methods of bootstrap and split-sample were used for validation.Results: Multivariable analysis revealed that the forced expiratory volume in the first second in percent of predicted, the anesthesia method, blood loss, surgical time, and preoperative neutrophil ratio were risk factors for postoperative complications. The risk score was established with these 5 factors, varied from 0 to 53, with the corresponding predicted probability of postoperative complications occurrence ranged from 1% to 92% and was calibrated (Hosmer-Lemeshow χ 2 =6.261; P=0.618). Good discrimination was acquired in the development and validation data sets (C-statistic 0.705 and 0.700). A positive correlation was between the risk score and postoperative complications (P for trend <0.01). Three levels of low-risk (0-15 points], moderate-risk (15-30 points], and high-risk (>30 points] were established based on the score distribution of postoperative complications. Conclusions: This simple risk score model based on risk factors of postoperative complications can validly identify the high-risk patients with postoperative complications in the non-intubated VATS, and allow for early interventions.
BackgroundA secondary contralateral thoracic surgery is a challenging procedure and is rarely indicated. We retrospectively compared the perioperative values to find out whether video-assisted thoracoscopic surgery under spontaneous ventilation is feasible for this surgery.Material/MethodsPatients were retrospectively collected from January 1, 2015 to December 30, 2018 who underwent secondary contralateral video-assisted thoracoscopic surgeries with mechanical ventilation (MV-VATS group) or spontaneous ventilation (SV-VATS group). A propensity score-matching analysis was used to counterbalance the discrepancies. The primary outcome measures were the values of respiratory mechanics and hemodynamics, and the secondary outcome measures were postoperative recovery and complications.ResultsIn the SV-VATS group, the operation and anesthesia times were shorter (P=0.008 and P=0.020, respectively). The peak respiratory pressure value was lower (P<0.001), and there was less use of analgesic drugs during the operation (P<0.001). The vital signs and oxygenation were stable during the operation and in post-anesthesia care unit. The extubation time of laryngeal mask airway, chest-tube duration, and postoperative hospital stay were shorter in the SV-VATS group (P=0.015, P=0.000, P=0.003, respectively), but the duration of intensive care unit stay, the postoperative clinical complications, and chest radiography results were not significantly different between the 2 groups (P>0.05). In the SV-VATS group, postoperative leukocyte count (P<0.001) and neutrophil ratio (P=0.001) were lower and the postoperative value of PaCO2 was slightly higher (P=0.026).ConclusionsVATS under spontaneous ventilation might be an alternative approach for patients who undergo a secondary contralateral thoracic surgery with intraoperative stable vital signs, and does not increase postoperative complications.
Background The risk factors for postoperative complications in non-intubated video-assisted thoracoscopic surgery (VATS) has not been observed before. Here to develop a simple risk score to predict the risk of postoperative complications for patients who scheduling non-intubated VATS, which is beneficial to guide the clinical interventions. Methods 1837 patients who underwent non-intubated VATS were included from January 2011 to December 2018. A development data set and a validation data set were allocated according to an approximate 3:2 ratio of total cases. The stepwise logistic regression was used to establish a risk score model, and the methods of bootstrap and split-sample were used for validation. Results Multivariable analysis revealed that the forced expiratory volume in the first second in percent of predicted, the anesthesia method, blood loss, surgical time, and preoperative neutrophil ratio were risk factors for postoperative complications. The risk score was established with these 5 factors, varied from 0–53, with the corresponding predicted probability of postoperative complications occurrence ranged from 1%-92%, and was calibrated (Hosmer-Lemeshow χ2 = 6.261; P = 0.618). Good discrimination was acquired in the development and validation data sets (C-statistic 0.705 and 0.700). A positive correlation was between the risk score and postoperative complications (P for trend < 0.01). Three levels of low-risk (0–15 points], moderate-risk (15–30 points], and high-risk (> 30 points] were established based on the score distribution of postoperative complications. Conclusions This simple risk score model based on risk factors of postoperative complications can validly identify the high-risk patients with postoperative complications in the non-intubated VATS, and allow for early interventions.
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