1.
The rule of brain hematoma pressure gradient and its influence on hypertensive cerebral hemorrhage operation
Sun G, Fu T, Liu Z, Zhang Y, Chen X, Jin S, Chi F
Scientific reports. 2021;11(1):4599
Abstract
To comparatively study the size of and variation in the 'brain-haematoma' pressure gradient for different surgical methods for hypertensive intracerebral haemorrhage (HICH) and analyse the gradient's influence on surgical procedures and effects of the haemorrhage. Seventy-two patients with HICH treated from 1/2019 to 12/2019 were randomly divided into two groups, namely, the keyhole endoscopy and large trauma craniotomy groups, according to different operative methods. Intraoperative changes in intracranial pressure (ICP) were monitored to calculate intraoperative alterations in the 'brain-haematoma' pressure gradient. Intraoperative characteristics (operative time, bleeding volume, volume of blood transfusion, and haematoma clearance rate) and postoperative characteristics (oedema, postoperative activities of daily living (ADL) scores, mortality rate and rebleeding rate) were compared between the two groups. In the keyhole endoscopy group, ICP decreased slowly; the 'brain-haematoma' pressure gradient was large, averaging 251.1 ± 20.6 mmH(2)O, and slowly decreased. The mean operative time was 83.6 ± 4.3 min, the mean bleeding volume was 181.2 ± 13.6 ml, no blood transfusions were given, the average postoperative haematoma clearance rate was 95.6%, the rate of severe oedema was 10.9%, and the average postoperative ADL score was 85.2%. In the large trauma craniotomy group, ICP rapidly decreased after craniotomy. When the haematoma was removed, the 'brain-haematoma' pressure gradient was small, averaging 132.3 ± 10.5 mmH2O, and slowly decreased. The mean operative time was 232 ± 26.1 min, the mean bleeding volume was 412.6 ± 35.2 ml, the average volume of blood transfusion was 281.3 ± 13.6 ml, and the average postoperative haematoma clearance rate was 82.3%; moreover, the rate of severe oedema was 72.1%, and the average postoperative ADL score was 39.0%. These differences were statistically significant (P < 0.05). Neither the death rate (P > 0.05, 2.7% VS 2.8%) nor rebleeding rate (P > 0.05, 2.7% VS 2.8%) showed any obvious changes. The magnitude and variation in the 'brain-haematoma' pressure gradient for different surgical methods significantly influence surgical procedures and effects of HICH. During keyhole endoscopy surgery, this gradient was relatively large and slowly decreased; the haematoma was therefore easier to remove. Advantages of this approach include a high haematoma clearance rate, decreased bleeding volume, decreased operative time, reduced trauma, decreased postoperative brain oedema and improved postoperative recovery of neurological function.Chinese Clinical Trial Register: ChiCTR1900020655 registration in 12/01/02,019 registration in 28/02/02,020 Number: NCOMMS-20-08,091.
2.
[Influences of acute hypervolemic hemodilution on serum levels of S-100beta protein, NSE and POCD in elderly patients with spinal surgery]
Xu P, Yang J, Liu Z, Qi W, Qi F
Zhongguo Gu Shang. 2019;32(10):923-927
Abstract
OBJECTIVE To explore the influences of acute hypervolemic hemodilution(AHH) on serum levels of S-100beta protein, neuron specific enolase(NSE) and postoperative cognitive dysfunction POCD in elderly patients with spinal surgery. METHODS A total of 80 cases elderly patients requiring elective spinal operation were divided into AHH group and C group according to random digits table, 40 cases in each group, with ASA grade I-II. The patients in AHH group were infused 6% hydroxyethyl starch 130/0.4 at a rate of 20 ml/min after anesthesia induction, and blood volume increased by about 20%, the patients in C group were not received AHH, anesthesia and surgical methods were the same as those in AHH group. Intraoperative blood volume, allogeneic blood transfusion and urine volume were recorded. Mean arterial pressure(MAP), heart rate(HR), central venous pressure(CVP) at preoperative 1 d, 1 h after the start of surgery, end of operation, 12 h after surgery were observed. Arterial blood oxygen content (CaO(2)), venous blood oxygen content (CjvO(2)), arteriovenous oxygen content difference (Da-jvO(2)), and cerebral oxygen uptake(CERO(2)) were measured at 1 d before surgery, 15 min after surgery, 45 min after surgery, end of surgery. Mini-mental state examination(MMSE) score and serum levels of S-100beta protein, NSE were measured at 1 d before surgery, 1, 3, 7 d after surgery. POCD rates of two groups were recorded. RESULTS Intraoperative blood loss and allogeneic blood transfusion in AHH group was significantly lower than those in C group(P<0.05), and the urine volume was significantly higher than that in C group (P<0.05). Compared with preoperative 1 day, MAP was decreased and CVP was increased at end of surgery in AHH group, compared with C group at the same time, MAP was lower and CVP was higher in AHH group, but both were in normal range. Compared with preoperative 1 day and C group, the levels of Da-jvO(2) and CERO(2) in AHH group was decreased at 15, 45 min after the start of the operation and end of surgery(P<0.05). Compared with preoperative 1 day, MMSE scores of two groups at 1 day after surgery was decreased (P<0.05), the levels of S-100beta protein and NSE were increased(P<0.05), and restored at 3, 7 days after surgery. There was statistical difference in MMSE scores, the levels of S-100beta protein, NSE at 1 day after surgery between two groups (P<0.05). There was no statistical difference in POCD rate between two groups(P>0.05). CONCLUSIONS AHH can significantly reduce intraoperative blood loss and blood transfusion in elderly patients with spinal surgery, and decrease the levels of S-100beta protein and NSE, does not increase the risk of the occurrence of POCD.
3.
Minimally invasive surgery is superior to conventional craniotomy in patients with spontaneous supratentorial Intracerebral hemorrhage:a systematic review and meta-analysis
Xia Z, Wu X, Li J, Liu Z, Chen F, Zhang L, Zhang H, Wan X, Cheng Q
World Neurosurgery. 2018;115:266-273
Abstract
BACKGROUND Outcomes of minimally invasive surgery (MIS) versus conventional craniotomy (CC) for patients with spontaneous supratentorial intracerebral hemorrhage(SICH) have not been previously compared. We reviewed the current evidence regarding the safety and efficacy of MIS as compared with conventional craniotomy, in patients with SICH. METHODS We conducted a meta-analysis of studies that comparing MIS and CC in patients with computed tomography confirmed SICH, published from January 2000 to April 2018 in Medline, Embase, and Cochrane Controlled Trials Register (CCTR) based on PRISMA inclusion and exclusion criteria. Binary outcomes comparisons between MIS and CC were described using odds ratios (ORs). RESULTS Five randomized controlled trials (RCTs) and nine prospective controlled studies (non-RCTs) met the included criteria, involving 2466 patients. There was statistically significant difference in mortality rates between MIS and CC (OR, 0.76; 95% confidence interval [CI], 0.60-0.97). MIS associated with lower rates of complications in rebleeding (OR, 0.42; 95% CI, 0.28-0.64), and higher rates of good recovery compared with CC (OR, 2.27; 95% CI, 1.34-3.83). CONCLUSIONS Patients with SICH may benefit more from MIS than CC. Our study could help clinicians to optimize treatment strategies in SICH.