Tiefenthaler Werner, Burtscher Johannes, Moser Patrizia L, Lorenz Ingo H, Kolbitsch Christian
Department of Anaesthesia, Medalp Sportclinic, Imst, Austria.
Department of Neurosurgery Landesklinikum Wiener, Neustadt, Austria.
Open Med (Wars). 2019 Nov 29;14:909-912. doi: 10.1515/med-2019-0107. eCollection 2019.
In patients with non-communicating hydrocephalus impairment of cerebral compliance can occur pre- but also intraoperatively.
In such patients (n = 6) undergoing endoscopic third ventriculostomy (ETV), the present study aimed to investigate the effect of ETCO2 (e.g 40 mmHg and 60 mmHg) and positive end-expiratory pressure (PEEP) (e.g. 6 cm and 12 cm H2O) on intraventricular pressure (IVP).
Before but not after ETV, hypercapnia in contrast to PEEP increased IVP.
(PEEP-6/ ETCO2-40: 2.6 ± 2.4 mmHg) vs. (PEEP-6/ ETCO2-60: 12 ± 6.4 mmHg*); (PEEP-12/ ETCO2-40: 4.2 ± 4.1 mmHg) vs. (PEEP-12/ ETCO2-60: 13.7 ± 7.6 mmHg*), * significant, P ≤ 0.05.
(PEEP-6/ ETCO2-40: 2.0 ± 1.2 mmHg) vs. (PEEP-6/ ETCO2-60: 4.4 ± 3.1 mmHg); (PEEP-12/ ETCO2-40: 1.6 ± 1.3 mmHg) vs. (PEEP-12/ ETCO2-60: 6.6 ± 2.6 mmHg), * significant, P ≤ 0.05).
Patients with non-communicating hydrocephalus showed that hypercapnia but not PEEP increases significantly IVP before but not after ETV.
在非交通性脑积水患者中,脑顺应性损害可在术前及术中发生。
在接受内镜下第三脑室造瘘术(ETV)的此类患者(n = 6)中,本研究旨在探讨呼气末二氧化碳分压(ETCO2,如40 mmHg和60 mmHg)及呼气末正压(PEEP,如6 cm和12 cm H2O)对脑室内压(IVP)的影响。
在ETV术前而非术后,与PEEP相比,高碳酸血症会使IVP升高。
ETV术前:(PEEP-6/ETCO2-40:2.6±2.4 mmHg)对比(PEEP-6/ETCO2-60:12±6.4 mmHg*);(PEEP-12/ETCO2-40:4.2±4.1 mmHg)对比(PEEP-12/ETCO2-60:13.7±7.6 mmHg*),*具有显著性差异,P≤0.05。
ETV术后:(PEEP-6/ETCO2-40:2.0±1.2 mmHg)对比(PEEP-6/ETCO2-60:4.4±3.1 mmHg);(PEEP-12/ETCO2-40:1.6±1.3 mmHg)对比(PEEP-12/ETCO2-60:6.6±2.6 mmHg),*具有显著性差异,P≤0.05)。
非交通性脑积水患者表明,在ETV术前高碳酸血症会显著增加IVP,而PEEP不会,ETV术后则相反。