Table 1 Characteristic of included studies, PRM, pulmonary recruitment maneuver; SI, saline instillation; LC, laparoscopic cholecystectomy; N/A, not applicable
Author; date | Group | Patient number | Type of operation | CO2 pressure (mmHg) | PRM Treatment |
|---|---|---|---|---|---|
Kihlstedt PE.; 2021 [16] | Control PRM (40cmH2O) | 71 76 | LC | 12 | During one-minute of pressure-controlled ventilation, the patient received 6 breaths with a total pressure of 40 cm H2O in supine position |
Ryu KH.; 2019 [29] | Control SI SI + PRM (40cmH2O) | 48 48 48 | gynecologic surgery | 14 | 5 manual pulmonary hyperinflations using positive inspiratory pressure, each inflation was maintained at an end-inspiratory plateau pressure of 40 cmH2O for 5 s |
Lee J.; 2020 [28] | Control PRM (30cmH2O) | 42 42 | gynecologic surgery | 10 | 5 manual pulmonary inflations for 5 s with pressure of 30 cm H2O |
Kiyak H.; 2019 [34] | Control PRM (40cmH2O) PRM + semi-fowler | 41 33 32 | gynecologic surgery | N/A | 5 manual inflations at a maximum pressure of 40cmH2O in the neutral position or semi-fowler position |
Davari-Tanha F.; 2019 [25] | Control PRM (60cmH2O) | 70 70 | gynecologic surgery | N/A | 5 manual pulmonary inflations at a maximum pressure of 60 cm H2O |
van Dijk JEW.; 2018 [33] | Control SI + PRM (40cmH2O) | 88 89 | gynecologic surgery | 14 | 5 pulmonary insufflations with a pressure 40 cm H2O |
Güngördük K.; 2018 [26] | Control PRM (40cmH2O) | 52 54 | gynecologic surgery | 20 | 2 manual inflations to a maximum pressure of 40cmH2O, each positive inflation was held for 5s |
Ryu K.; 2017 [35] | Control SI + PRM (40cmH2O) SI + PRM (60cmH2O) | 30 30 29 | gynecologic surgery | 14 | 5 manual pulmonary inflations at a maximum pressure of either 40 cmH2O (40cmH2O group) or 60 cmH2O (60 cmH2O group). |
Tsai HW.; 2013 [36] | Control SI + PRM (60cmH2O) | 50 50 | gynecologic surgery | 15 | After normal saline instillation, 5 manual pulmonary inflations at a maximum pressure of 60 cm H2O |
Khanna A.; 2013 [27] | Control PRM (60cmH2O) | 39 37 | LC、hernia | 14 | 2 manual inflations to a maximum pressure of 60cmH2O, each positive pressure inflation for 5 s |
Tsai HW.; 2011 [31] | Control PRM (60cmH2O) INSI | 51 53 54 | gynecologic surgery | 15 | a pulmonary recruitment maneuver consisting of 5 manual pulmonary inflations was performed with a maximal pressure of 60cmH2O.The fifth positive-pressure inflation for 5 s. |
Sharami SH.; 2010 [30] | Control PRM (40cmH2O) | 64 67 | gynecologic surgery | 15 | 5 manual pulmonary inflation at a positive pressure 40cmH2O, fifth was held for 5s. |
Tsai HW.; 2010 [32] | Control PRM (60cmH2O) SI | 30 40 40 | gynecologic surgery | N/A | A pulmonary recruitment maneuver consisting of 5 manual pulmonary inflations was performed with a maximum pressure of 60 cm H2O. |
Phelps P.; 2008 [17] | Control PRM (60cmH2O) | 46 54 | gynecologic surgery | 15 | a PRM consisting of 5 manual pulmonary inflations was performed with a maximum pressure of 60 cm H2O, the fifth positive pressure inflation for approximately 5s |