1.Effect of mild hypercapnia during the recovery period on the emergence time from total intravenous anesthesia: a randomized controlled trial
Lan LIU ; Xiangde CHEN ; Qingjuan CHEN ; Xiuyi LU ; Lili FANG ; Jinxuan REN ; Yue MING ; Dawei SUN ; Pei CHEN ; Weidong WU ; Lina YU
Korean Journal of Anesthesiology 2025;78(3):215-223
Background:
Intraoperative hypercapnia reduces the time to emergence from volatile anesthetics, but few clinical studies have explored the effect of hypercapnia on the emergence time from intravenous (IV) anesthesia. We investigated the effect of inducing mild hypercapnia during the recovery period on the emergence time after total IV anesthesia (TIVA).
Methods:
Adult patients undergoing transurethral lithotripsy under TIVA were randomly allocated to normocapnia group (end-tidal carbon dioxide [ETCO2] 35–40 mmHg) or mild hypercapnia group (ETCO2 50-55 mmHg) during the recovery period. The primary outcome was the extubation time. The spontaneous breathing-onset time, voluntary eye-opening time, and hemodynamic data were collected. Changes in the cerebral blood flow velocity in the middle cerebral artery were assessed using transcranial Doppler ultrasound.
Results:
In total, 164 patients completed the study. The extubation time was significantly shorter in the mild hypercapnia (13.9 ± 5.9 min, P = 0.024) than in the normocapnia group (16.3 ± 7.6 min). A similar reduction was observed in spontaneous breathing-onset time (P = 0.021) and voluntary eye-opening time (P = 0.008). Multiple linear regression analysis revealed that the adjusted ETCO2 level was a negative predictor of extubation time. Middle cerebral artery blood flow velocity was significantly increased after ETCO2 adjustment for mild hypercapnia, which rapidly returned to baseline, without any adverse reactions, within 20 min after extubation.
Conclusions
Mild hypercapnia during the recovery period significantly reduces the extubation time after TIVA. Increased ETCO2 levels can potentially enhance rapid recovery from IV anesthesia.
2.Effect of mild hypercapnia during the recovery period on the emergence time from total intravenous anesthesia: a randomized controlled trial
Lan LIU ; Xiangde CHEN ; Qingjuan CHEN ; Xiuyi LU ; Lili FANG ; Jinxuan REN ; Yue MING ; Dawei SUN ; Pei CHEN ; Weidong WU ; Lina YU
Korean Journal of Anesthesiology 2025;78(3):215-223
Background:
Intraoperative hypercapnia reduces the time to emergence from volatile anesthetics, but few clinical studies have explored the effect of hypercapnia on the emergence time from intravenous (IV) anesthesia. We investigated the effect of inducing mild hypercapnia during the recovery period on the emergence time after total IV anesthesia (TIVA).
Methods:
Adult patients undergoing transurethral lithotripsy under TIVA were randomly allocated to normocapnia group (end-tidal carbon dioxide [ETCO2] 35–40 mmHg) or mild hypercapnia group (ETCO2 50-55 mmHg) during the recovery period. The primary outcome was the extubation time. The spontaneous breathing-onset time, voluntary eye-opening time, and hemodynamic data were collected. Changes in the cerebral blood flow velocity in the middle cerebral artery were assessed using transcranial Doppler ultrasound.
Results:
In total, 164 patients completed the study. The extubation time was significantly shorter in the mild hypercapnia (13.9 ± 5.9 min, P = 0.024) than in the normocapnia group (16.3 ± 7.6 min). A similar reduction was observed in spontaneous breathing-onset time (P = 0.021) and voluntary eye-opening time (P = 0.008). Multiple linear regression analysis revealed that the adjusted ETCO2 level was a negative predictor of extubation time. Middle cerebral artery blood flow velocity was significantly increased after ETCO2 adjustment for mild hypercapnia, which rapidly returned to baseline, without any adverse reactions, within 20 min after extubation.
Conclusions
Mild hypercapnia during the recovery period significantly reduces the extubation time after TIVA. Increased ETCO2 levels can potentially enhance rapid recovery from IV anesthesia.
3.Effect of mild hypercapnia during the recovery period on the emergence time from total intravenous anesthesia: a randomized controlled trial
Lan LIU ; Xiangde CHEN ; Qingjuan CHEN ; Xiuyi LU ; Lili FANG ; Jinxuan REN ; Yue MING ; Dawei SUN ; Pei CHEN ; Weidong WU ; Lina YU
Korean Journal of Anesthesiology 2025;78(3):215-223
Background:
Intraoperative hypercapnia reduces the time to emergence from volatile anesthetics, but few clinical studies have explored the effect of hypercapnia on the emergence time from intravenous (IV) anesthesia. We investigated the effect of inducing mild hypercapnia during the recovery period on the emergence time after total IV anesthesia (TIVA).
Methods:
Adult patients undergoing transurethral lithotripsy under TIVA were randomly allocated to normocapnia group (end-tidal carbon dioxide [ETCO2] 35–40 mmHg) or mild hypercapnia group (ETCO2 50-55 mmHg) during the recovery period. The primary outcome was the extubation time. The spontaneous breathing-onset time, voluntary eye-opening time, and hemodynamic data were collected. Changes in the cerebral blood flow velocity in the middle cerebral artery were assessed using transcranial Doppler ultrasound.
Results:
In total, 164 patients completed the study. The extubation time was significantly shorter in the mild hypercapnia (13.9 ± 5.9 min, P = 0.024) than in the normocapnia group (16.3 ± 7.6 min). A similar reduction was observed in spontaneous breathing-onset time (P = 0.021) and voluntary eye-opening time (P = 0.008). Multiple linear regression analysis revealed that the adjusted ETCO2 level was a negative predictor of extubation time. Middle cerebral artery blood flow velocity was significantly increased after ETCO2 adjustment for mild hypercapnia, which rapidly returned to baseline, without any adverse reactions, within 20 min after extubation.
Conclusions
Mild hypercapnia during the recovery period significantly reduces the extubation time after TIVA. Increased ETCO2 levels can potentially enhance rapid recovery from IV anesthesia.
4.Effect of mild hypercapnia during the recovery period on the emergence time from total intravenous anesthesia: a randomized controlled trial
Lan LIU ; Xiangde CHEN ; Qingjuan CHEN ; Xiuyi LU ; Lili FANG ; Jinxuan REN ; Yue MING ; Dawei SUN ; Pei CHEN ; Weidong WU ; Lina YU
Korean Journal of Anesthesiology 2025;78(3):215-223
Background:
Intraoperative hypercapnia reduces the time to emergence from volatile anesthetics, but few clinical studies have explored the effect of hypercapnia on the emergence time from intravenous (IV) anesthesia. We investigated the effect of inducing mild hypercapnia during the recovery period on the emergence time after total IV anesthesia (TIVA).
Methods:
Adult patients undergoing transurethral lithotripsy under TIVA were randomly allocated to normocapnia group (end-tidal carbon dioxide [ETCO2] 35–40 mmHg) or mild hypercapnia group (ETCO2 50-55 mmHg) during the recovery period. The primary outcome was the extubation time. The spontaneous breathing-onset time, voluntary eye-opening time, and hemodynamic data were collected. Changes in the cerebral blood flow velocity in the middle cerebral artery were assessed using transcranial Doppler ultrasound.
Results:
In total, 164 patients completed the study. The extubation time was significantly shorter in the mild hypercapnia (13.9 ± 5.9 min, P = 0.024) than in the normocapnia group (16.3 ± 7.6 min). A similar reduction was observed in spontaneous breathing-onset time (P = 0.021) and voluntary eye-opening time (P = 0.008). Multiple linear regression analysis revealed that the adjusted ETCO2 level was a negative predictor of extubation time. Middle cerebral artery blood flow velocity was significantly increased after ETCO2 adjustment for mild hypercapnia, which rapidly returned to baseline, without any adverse reactions, within 20 min after extubation.
Conclusions
Mild hypercapnia during the recovery period significantly reduces the extubation time after TIVA. Increased ETCO2 levels can potentially enhance rapid recovery from IV anesthesia.
5.Application of Mendelian randomization analysis in exploring the etiology of nonalcoholic fatty liver disease
Ziwei GUO ; Qingjuan WU ; Yongan YE ; Lanyu CHEN ; Wenliang LYU
Journal of Clinical Hepatology 2024;40(3):589-593
Nonalcoholic fatty liver disease (NAFLD) is an abnormal lipid metabolic disorder of the liver characterized by accumulation of a large amount of lipids in the liver, and it is currently the most common liver disease around the world. Mendelian randomization (MR) incorporates genomic data into traditional epidemiological study designs to infer the causal relationship between exposure factors and disease risk. In recent years, MR has been widely used in studies on inference of the etiology of NAFLD. This article systematically summarizes the advances in the application of MR in NAFLD research, so as to provide new ideas for understanding the nature of the disease and scientific interventions.
6.Diagnostic and prognostic values of the ratio of red blood cell distribution width to platelet count for hepatitis B and liver cirrhosis
Chinese Journal of Primary Medicine and Pharmacy 2023;30(4):552-556
Objective:To analyze the diagnostic and prognostic values of the red blood cell distribution width-to-platelet count ratio (RPR) for hepatitis B and liver cirrhosis.Methods:The clinical data of 80 patients with hepatitis B and liver cirrhosis who were diagnosed and treated in Yiwu Central Hospital from June 2020 to August 2021 were retrospectively analyzed. These patients were included in the hepatitis B and liver cirrhosis group. They were subdivided into survival ( n = 69) and death ( n = 11) groups according to their prognosis outcomes. Eighty patients with chronic hepatitis B were included in the chronic hepatitis B group. Eighty healthy controls who concurrently underwent physical examination were included in the control group. The diagnostic and prognostic values of RPR, aspartate aminotransferase-to-platelet ratio index (APRI), and fibrosis index based on four factors (FIB-4) for hepatitis B and liver cirrhosis were analyzed. Results:Red blood cell distribution width, alanine transaminase, and aspartate transaminase in the hepatitis B and liver cirrhosis group and chronic hepatitis B group were significantly higher compared with the control group (all P < 0.05). Platelet count in the hepatitis B and liver cirrhosis group and chronic hepatitis B group was significantly lower than that in the control group (both P < 0.05). Red blood cell distribution width in the hepatitis B and liver cirrhosis group was significantly higher than that in the chronic hepatitis B group [(18.25 ± 3.28)% vs. (14.67 ± 2.15)%, t = 8.16, P < 0.05]. Platelet count, alanine transaminase, and aspartate transaminase levels in the hepatitis B and liver cirrhosis group were (78.47 ± 11.43) × 10 9/L, (49.48 ± 6.85) U/L, (45.86 ± 6.28) U/L, respectively, which were significantly lower than (133.36 ± 18.42) × 10 9/L, (128.36 ± 15.40) U/L, (98.67 ± 14.41) U/L in the chronic hepatitis B group ( t = -22.65, -41.86, -30.05, all P < 0.05). PRP, APRI, and FIB-4 in the hepatitis B and liver cirrhosis group were (0.23 ± 0.05), (1.85 ± 0.44), (4.25 ± 0.81) respectively, which were significantly higher than (0.11 ± 0.02), (1.46 ± 0.33), (3.38 ± 0.63) in the chronic hepatitis B group ( t = 19.93, 6.34, 7.58, all P < 0.001). The RPR, APRI, and FIB-4 in the death group were (0.25 ± 0.08), (1.97 ± 0.48), (4.52 ± 1.31), respectively, which were significantly higher than (0.18 ± 0.05), (1.68 ± 0.40), (3.69 ± 1.21) in the survival group ( t = 3.94, 2.17, 2.09, all P < 0.05). The receiver operating characteristic curve revealed that PRP has an extremely high value in diagnosing hepatitis B and liver cirrhosis and predicting the death of patients with hepatitis B and liver cirrhosis. Conclusion:RPR has an extremely high value in diagnosing hepatitis B and liver cirrhosis and predicting the prognosis of this disease.
7.Effects of Yinqi Sanhuang Jiedu Decoction (茵芪三黄解毒汤) on Liver Hardness and Epithelial Mesenchymal Transition in Hepatic Fibrosis Model Mice
Ning WANG ; Wenliang LYU ; Qingjuan WU
Journal of Traditional Chinese Medicine 2023;64(17):1792-1798
ObjectiveTo investigate the possible mechanism of compound Yinqi Sanhuang Jiedu Decoction (茵芪三黄解毒汤, YSJD) against the progression of hepatic fibrosis (HF). MethodsThirty-eight C57BL/6J mice were randomly divided into blank group, model group, silybin group and low-, medium- and high-dose YSJD groups, with eight mice in the model group and six mice each in other groups. Except for the blank group, all mice were injected intraperitoneally with 10% carbon tetrachloride (CCl4) to establish a HF model, twice a week for 8 weeks. The drug intervention started one week after the first modeling; the low-, medium- and high-dose YSJD groups were given 8.325, 16.65 and 33.3 g/(kg·d) of YSJD suspension by gavage, respectively, while the silybin group was given 55 mg/(kg·d) of silybin suspension by gavage, and the blank group and the model group were given 0.2 ml normal saline by gavage, all for 8 weeks. The liver hardness of living mice was observed using a small animal ultrasound detector, and grey-scale ultrasound was recorded. The liver tissue was observed by Sirius scarlet staining, and the proportion of collagen fiber deposition was calculated. Liver function indicators including alanine aminotransferase (ALT) and aspartate aminotransferase (AST), and serum laminin (LN), hyaluronic acid (HA), pre-collagen type III (PCIII) and collagen type IV (CIV) were also detected. The protein expression of transforming growth factor β1 (TGF-β1), Vimentin, E-cadherin, α smooth muscle actin (α-SMA) in liver tissue were detected. ResultsCompared to the blank group, the model group showed increased gray value, collagen deposition,serum ALT, AST, HA, LN and PCIII levels, decreased expression of E-cadherin, and increased expression of N-cadherin,α-SMA,Vimentin and TGF-β1 in liver tissues (P<0.05). Compared to the model group, the ultrasonic gray value and the proportion of collagen fiber deposition in liver of silybin group and YSJD medium- and high-dose groups decreased, and the serum ALT, AST, LN, HA and PCⅢ levels decreased. Compared to the model group, the expression of E-cadherin in liver tissues of silybin group and all three YSJD groups increased, while the expressions of N-cadherin, Vimentin, TGF-β1 and α-SMA decreased (P<0.05), and among them, most improvements were seen in the medium-dose YSJD group (P<0.05). ConclusionThe effect of YSJD on significantly reducing the extent of HF in mice caused by CCl4 may be related to its ability to regulate liver hardness and inhibit the occurrence of epithelial mesenchymal transition in mice.
8.The comparison of bladder neck descent and the hiatus area of levator ani between lithotomy position and separating-legs-holding-knees position
Xiufeng HUANG ; Jian ZHENG ; Qingjuan WANG ; Junyan CAO ; Qian LIANG ; Sujing WU ; Xinling ZHANG
Chinese Journal of Ultrasonography 2020;29(7):618-622
Objective:To investigate whether the bladder neck descent and the area of levator ani hiatus obtained on the maximum Valsalva were consistent at the lithotomy position and separating-legs-holding-knees position.Methods:Forty four subjects who underwent perineal pelvic floor four-dimensional ultrasound at 6-8 weeks postpartum in Third Hospital of Longgang Shenzhen from November 2019 to January 2020 were enrolled in this study. All subjects were able to effectively complete the maximum Valsalva maneuver both at the lithotomy position and the separating-legs-holding-knees position. The bladder neck descent and hiatus area of the levator Ani on the maximum Valsalva at these two positions were measured and compared.Results:The bladder neck descent at the separating-legs-holding-knees position was higher than that at the lithotomy position [(41.06±8.25)mm vs (39.96±8.10)mm; t=-2.965, P=0.005], and the hiatus area of levator Ani at the separating-legs-holding-knees position was larger than that at the lithotomy position[(27.55±4.90)cm 2 vs (26.32±4.76)cm 2; t=-3.820, P<0.001]. Conclusions:The bladder neck descent and the area of levator Ani hiatus on the maximum Valsalva at separating-legs- holding-knees position are larger than those on the maximum Valsalva at the lithotomy position.
9.Evaluation of the clinical effect of acupuncture on scar formation after Ⅳ severe acne
Panhong WU ; Li WANG ; Qingjuan LI ; Huanhuan YU ; He ZHANG ; Ying WANG ; Wei ZHAO ; Yufu FANG
Chinese Journal of Plastic Surgery 2020;36(12):1324-1330
Objective:To evaluate the clinical effect of the treatment of scar formation after severe acne type Ⅳ by acupuncture.Methods:In Henan Traditional Chinese Medicine Hospital, 60 patients with acne who met the inclusion criteria were selected and divided into observation group and control group according to the randomized controlled grouping method. The observation group(9 male and 21 female, age 18-29) was treated with fire needle and salicylic acid.The control group(10 male and 20 female, age 18-27 ) was treated with needle and salicylic acid.The patients in both groups were treated with tanshinone capsule and salicylate acne pill orally.The course of treatment was 8 weeks. The two groups of clinical efficacy, acne severity score scale (Gags) to evaluate symptom improvement, vancouver scar scale, acne scar weight score were observed and compared.Results:Eight weeks after treatment, the effect rate was 90.00% (27/30) in the observation group and 68.97% (20/29) in the control group. The scores of Vancouver scar scale were (3.66 ± 0.91) in the observation group and (5.06 ± 1.09) in the control group ( P< 0.01). The scores of acne scar weight score were (39.40 ± 16.90) in the observation group and (53.16 ± 17.19) in the control group( P< 0.01). The scores of Gags in the observation group and the control group were (10.31 ± 2.14) and (17.55 ± 2.63)( P< 0.01), respectively. Conclusions:The treatment of Ⅳ grade severe acne skin lesions by fire needle is safe, effective, reliable and easy to operate. It can safely and effectively improve the patient’s facial skin lesions, and reduce the possibility of scar formation and pigmentation, so it is worthy of clinical application.
10.Evaluation of the clinical effect of acupuncture on scar formation after Ⅳ severe acne
Panhong WU ; Li WANG ; Qingjuan LI ; Huanhuan YU ; He ZHANG ; Ying WANG ; Wei ZHAO ; Yufu FANG
Chinese Journal of Plastic Surgery 2020;36(12):1324-1330
Objective:To evaluate the clinical effect of the treatment of scar formation after severe acne type Ⅳ by acupuncture.Methods:In Henan Traditional Chinese Medicine Hospital, 60 patients with acne who met the inclusion criteria were selected and divided into observation group and control group according to the randomized controlled grouping method. The observation group(9 male and 21 female, age 18-29) was treated with fire needle and salicylic acid.The control group(10 male and 20 female, age 18-27 ) was treated with needle and salicylic acid.The patients in both groups were treated with tanshinone capsule and salicylate acne pill orally.The course of treatment was 8 weeks. The two groups of clinical efficacy, acne severity score scale (Gags) to evaluate symptom improvement, vancouver scar scale, acne scar weight score were observed and compared.Results:Eight weeks after treatment, the effect rate was 90.00% (27/30) in the observation group and 68.97% (20/29) in the control group. The scores of Vancouver scar scale were (3.66 ± 0.91) in the observation group and (5.06 ± 1.09) in the control group ( P< 0.01). The scores of acne scar weight score were (39.40 ± 16.90) in the observation group and (53.16 ± 17.19) in the control group( P< 0.01). The scores of Gags in the observation group and the control group were (10.31 ± 2.14) and (17.55 ± 2.63)( P< 0.01), respectively. Conclusions:The treatment of Ⅳ grade severe acne skin lesions by fire needle is safe, effective, reliable and easy to operate. It can safely and effectively improve the patient’s facial skin lesions, and reduce the possibility of scar formation and pigmentation, so it is worthy of clinical application.

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