BACKGROUND Laparoscopic-assisted radical gastrectomy(LARG)is the standard treatment for early-stage gastric carcinoma(GC).However,the negative impact of this proce-dure on respiratory function requires the optimized i...BACKGROUND Laparoscopic-assisted radical gastrectomy(LARG)is the standard treatment for early-stage gastric carcinoma(GC).However,the negative impact of this proce-dure on respiratory function requires the optimized intraoperative management of patients in terms of ventilation.AIM To investigate the influence of pressure-controlled ventilation volume-guaranteed(PCV-VG)and volume-controlled ventilation(VCV)on blood gas analysis and pulmonary ventilation in patients undergoing LARG for GC based on the lung ultrasound score(LUS).METHODS The study included 103 patients with GC undergoing LARG from May 2020 to May 2023,with 52 cases undergoing PCV-VG(research group)and 51 cases undergoing VCV(control group).LUS were recorded at the time of entering the operating room(T0),20 minutes after anesthesia with endotracheal intubation(T1),30 minutes after artificial pneumoperitoneum(PP)establishment(T2),and 15 minutes after endotracheal tube removal(T5).For blood gas analysis,arterial partial pressure of oxygen(PaO_(2))and partial pressure of carbon dioxide(PaCO_(2))were observed.Peak airway pressure(P_(peak)),plateau pressure(Pplat),mean airway pressure(P_(mean)),and dynamic pulmonary compliance(C_(dyn))were recorded at T1 and T2,1 hour after PP establishment(T3),and at the end of the operation(T4).Postoperative pulmonary complications(PPCs)were recorded.Pre-and postoperative serum interleukin(IL)-1β,IL-6,and tumor necrosis factor-α(TNF-α)were measured by enzyme-linked immunosorbent assay.RESULTS Compared with those at T0,the whole,anterior,lateral,posterior,upper,lower,left,and right lung LUS of the research group were significantly reduced at T1,T2,and T5;in the control group,the LUS of the whole and partial lung regions(posterior,lower,and right lung)decreased significantly at T2,while at T5,the LUS of the whole and some regions(lateral,lower,and left lung)increased significantly.In comparison with the control group,the whole and regional LUS of the research group were reduced at T1,T2,and T5,with an increase in PaO_(2展开更多
目的:研究了PCV-VG和VCV模式用于老年患者腹腔镜腹部手术的术中氧合功能及创伤程度。方法:选择60例接受腹腔镜腹部手术的老年患者进行研究,随机分为两组,A组按照VCV序贯PCV-VG模式进行通气,B组按照PCV-VG序贯VCV模式进行通气,气腹开始前...目的:研究了PCV-VG和VCV模式用于老年患者腹腔镜腹部手术的术中氧合功能及创伤程度。方法:选择60例接受腹腔镜腹部手术的老年患者进行研究,随机分为两组,A组按照VCV序贯PCV-VG模式进行通气,B组按照PCV-VG序贯VCV模式进行通气,气腹开始前(T0)、气腹开始后第一种通气模式开始后1h(T_1)、切换通气模式通气后1h(T_2),气腹结束后(T_3)分别测定呼吸功能参数、动脉血气参数以及血清损伤指标。结果:T_1时间点处,A组患者的P_(peak)、P_(mean)、P_(plant)均显著高于B组,PaO_2显著低于B组,SpO_2、PaCO_2与B组无显著性差异;T_2和T_3时间点处,A组的P_(peak)、P_(mean)、Pp la n t均显著低于B组,PaO_2显著低于B组,SpO_2、PaCO_2与B组无显著性差异。T_1时间点处,A组的血清sRAGE、KL-6、TNF-α、MDA含量显著高于B组;T_3时间点处,A组的血清sRAGE、KL-6、TNF-α、MDA含量显著低于B组。结论:PCV-VG模式用于老年患者腹腔镜腹部手术能够降低气道压力、改善肺顺应性以及肺泡氧化、减轻肺损伤以及全身创伤。展开更多
文摘BACKGROUND Laparoscopic-assisted radical gastrectomy(LARG)is the standard treatment for early-stage gastric carcinoma(GC).However,the negative impact of this proce-dure on respiratory function requires the optimized intraoperative management of patients in terms of ventilation.AIM To investigate the influence of pressure-controlled ventilation volume-guaranteed(PCV-VG)and volume-controlled ventilation(VCV)on blood gas analysis and pulmonary ventilation in patients undergoing LARG for GC based on the lung ultrasound score(LUS).METHODS The study included 103 patients with GC undergoing LARG from May 2020 to May 2023,with 52 cases undergoing PCV-VG(research group)and 51 cases undergoing VCV(control group).LUS were recorded at the time of entering the operating room(T0),20 minutes after anesthesia with endotracheal intubation(T1),30 minutes after artificial pneumoperitoneum(PP)establishment(T2),and 15 minutes after endotracheal tube removal(T5).For blood gas analysis,arterial partial pressure of oxygen(PaO_(2))and partial pressure of carbon dioxide(PaCO_(2))were observed.Peak airway pressure(P_(peak)),plateau pressure(Pplat),mean airway pressure(P_(mean)),and dynamic pulmonary compliance(C_(dyn))were recorded at T1 and T2,1 hour after PP establishment(T3),and at the end of the operation(T4).Postoperative pulmonary complications(PPCs)were recorded.Pre-and postoperative serum interleukin(IL)-1β,IL-6,and tumor necrosis factor-α(TNF-α)were measured by enzyme-linked immunosorbent assay.RESULTS Compared with those at T0,the whole,anterior,lateral,posterior,upper,lower,left,and right lung LUS of the research group were significantly reduced at T1,T2,and T5;in the control group,the LUS of the whole and partial lung regions(posterior,lower,and right lung)decreased significantly at T2,while at T5,the LUS of the whole and some regions(lateral,lower,and left lung)increased significantly.In comparison with the control group,the whole and regional LUS of the research group were reduced at T1,T2,and T5,with an increase in PaO_(2
文摘目的:研究了PCV-VG和VCV模式用于老年患者腹腔镜腹部手术的术中氧合功能及创伤程度。方法:选择60例接受腹腔镜腹部手术的老年患者进行研究,随机分为两组,A组按照VCV序贯PCV-VG模式进行通气,B组按照PCV-VG序贯VCV模式进行通气,气腹开始前(T0)、气腹开始后第一种通气模式开始后1h(T_1)、切换通气模式通气后1h(T_2),气腹结束后(T_3)分别测定呼吸功能参数、动脉血气参数以及血清损伤指标。结果:T_1时间点处,A组患者的P_(peak)、P_(mean)、P_(plant)均显著高于B组,PaO_2显著低于B组,SpO_2、PaCO_2与B组无显著性差异;T_2和T_3时间点处,A组的P_(peak)、P_(mean)、Pp la n t均显著低于B组,PaO_2显著低于B组,SpO_2、PaCO_2与B组无显著性差异。T_1时间点处,A组的血清sRAGE、KL-6、TNF-α、MDA含量显著高于B组;T_3时间点处,A组的血清sRAGE、KL-6、TNF-α、MDA含量显著低于B组。结论:PCV-VG模式用于老年患者腹腔镜腹部手术能够降低气道压力、改善肺顺应性以及肺泡氧化、减轻肺损伤以及全身创伤。
