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1.
Chinese Journal of Anesthesiology ; (12): 1201-1204, 2023.
Article in Chinese | WPRIM | ID: wpr-1028451

ABSTRACT

Objective:To evaluate the optimization strategy of labor analgesia in obese parturients using dural puncture epidural (DPE) combined with programmed intermittent epidural bolus (PIEB).Methods:Eighty American Society of Anesthesiologists Physical Status classification Ⅰ or Ⅱ obese primiparae, who were at full term with a singleton fetus in vertex presentation, aged 20-40 yr, with body mass index of 30-40 kg/m 2, at 37-42 week gestation, with cervical dilation of 2-5 cm, and with visual analogue scale score ≥50 mm, were divided into 2 groups ( n=40 each) using a random number table method: DPE plus PIEB group (DPEP group) and DPE plus continuous epidural infusion group (DPEC group). All parturients received DPE labor analgesia, and parturients received PIEB (DPEP group) and continuous epidural infusion (DPEC group) to maintain analgesia during labor. In DPEP group, the patient-controlled epidural analgesia pump was set up to deliver a 5 ml bolus dose with a 20-min lockout interval and background infusion at 2 ml/12 min after an initial dose of 8 ml. In DPEC group, the patient-controlled epidural analgesia pump was set up to deliver a 5 ml bolus dose with a 20-min lockout interval and background infusion at 10 ml/h after an initial dose of 8 ml. The analgesia solution contained 0.1% ropivacaine plus 0.3 μg/ml sufentanil. The time to achieve adequate analgesia, consumption of ropivacaine per unit time, height of sensory block at the thoracic vertebral level, modified Bromage score, effective pressing times of patient-controlled analgesia, the number of rescue analgesia, Apgar score, delivery mode, occurrence of adverse reactions and maternal satisfaction with labor analgesia were recorded. Results:Compared with DPEC group, the time to achieve adequate analgesia was significantly shortened, the consumption of ropivacaine per unit time was decreased, and the number of rescue analgesia and effective pressing times of patient-controlled analgesia were decreased in DPEP group ( P<0.05). There were no significant differences in the height of sensory block at the thoracic vertebral level, modified Bromage score, Apgar score, delivery mode, incidence of adverse reactions and maternal satisfaction with labor analgesia between the two groups ( P>0.05). Conclusions:DPE combined with PIEB offers faster onset and better effect and achieves a greater local anesthetics-sparing effect when used for labor analgesia in obese parturients.

2.
Article in Chinese | WPRIM | ID: wpr-997269

ABSTRACT

ObjectiveTo observe the clinical efficacy and safety of treating mediate-risk pure ground glass pulmonary nodules (pGGNs) based on the state theory. MethodsA prospective clinical randomized controlled trial was used. Totally 141 cases of mediate-risk pGGNs were divided into treatment group (92 cases) and control group (49 cases) according to the random table method. The treatment group was given the basic Sanjie Formula (基础散结方) orally with modification according to the identification of traditional Chinese medicine (TCM) state, 1 dose per day, 3 months as a course of treatment.Three months after the treatment patients were checked by CT. Patients who were clinically judged as cure, moderate to low risk, and turned to surgical resection do not carry out a second course of treatment,and the rest of the patients continued to complete the second courses. Patients in the control group did not receive any treatment and were only followed up periodically. Patients in both groups received a CT review 3 months and 6 months after enrolled. Comprehensive curative effect was evaluated according to the reduction rate of the area of pulmonary nodules shown in chest CT, to further explore the clinical effective difference for patients at different TCM state; the risk of malignancy index (Mayo score) was calculated by Mayo model at enrollment and 3 months and 6 months after enrolled. Adverse events were monitored continuously during the study. ResultsDuring the follow-up, 8 cases in the treatment group and 7 cases in the control group were lost. A total of 126 cases completed the whole process, including 84 cases in the treatment group and 42 cases in the control group. The total effective rates at 3 months and 6 months of the treatment group were 46.15% (30/65) and 45.71% (32/70) in the treatment group, while the total effective rates at 3 months and 6 months in the control group were 12.5% (4/32) and 10.00% (4/40). Compared with the control group, the comprehensive curative effect of 3 months and 6 months of enrollment in treatment group was significantly better than that in corresponding control group (P<0.01). The pulmonary nodule area and Mayo score in the treatment group decreased after 3 and 6 months of enrollment (P<0.01). In contrast, there was no statistically significant difference in nodule area between pre- and post-enrollment time points in the control group (P>0.05), and probability of Mayo risk increased in the control group after 6 months of enrollment compared to pre-enrollment (P<0.05). Among the 84 patients in the treatment group, there were 15 cases of qi deficiency state, 7 cases of yin deficiency state, 5 cases of yang deficiency state, 20 cases of qi depression state, 32 cases of damp-heat state, and 5 cases of harmonious state; the difference in the distribution of the total clinical effective rate of the patients with different TCM states after treatment was statistically significant (P<0.05), and the total effective rate of two-by-two comparison of qi depression state was higher (13/20,65.00%) than that of the total effective rate of damp-heat state (8/32,25.00%, P<0.00833). There were no significant changes in blood routine, urine routine, liver function and kidney function in both groups, and no adverse events occurred. ConclusionTreating mediate-risk pGGNs based on the state theory can effectively reduce the area of pulmonary nodules and inhibit the growth of malignant risk of pulmonary nodules.

3.
Article in Chinese | WPRIM | ID: wpr-755532

ABSTRACT

Objective To evaluate the effect of ulinastatin on programmed necrosis in hippocampal neurons in a rat model of global cerebral ischemia-reperfusion (I/R).Methods Forty-eight clean-grade healthy adult male Sprague-Dawley rats,aged 8 weeks,weighing 280-320 g,were divided into 3 groups (n=16 each) using a random number table method:sham operation group (Sham group),global cerebral I/R group (I/R group) and ulinastatin group (UT group).Global cerebral I/R was produced by 4-vessel occlusion method in chloral hydrate-anesthetized rats in I/R and UT groups.Ulinastatin 100 000 U/kg was injected via the tail vein at the onset of ischemia in group UT,and the equal volume of normal saline was given instead in Sham and I/R groups.Neurological deficit score (NDS) was estimated at 6,12 and 24 h of reperfusion.Animals were sacrificed at 24 h of reperfusion,brains were removed and the hippocampi were obtained for examination of pathological changes (with a light microscope) and for determination of the malondialdehyde (MDA) content and superoxide dismutase (SOD) activity (by spectrophotometry),and expression of receptor-interacting protein kinase 1 (RIPK1),RIPK3,and mixed lineage kinase domain-like protein (MLKL) in hippocampal tissues (by Western blot).Results Compared with Sham group,the NDS was significantly increased at each time point,the MDA content was increased,the SOD activity was decreased,and the expression of RIPK1,RIPK3 and MLKL was up-regulated in I/R and UT groups (P< 0.05).Compared with I/R group,the NDS was significantly decreased at each time point,the MDA content was decreased,the SOD activity was increased,and the expression of RIPK1,RIPK3 and MLKL was down-regulated in UT group (P<0.05).The pathological changes of hippocampi were significantly attenuated in UT group when compared with I/R group.Conclusion The mechanism by which ulinastatin ameliorates global cerebral I/R injury is related to inhibiting programmed necrosis in hippocampal neurons of rats.

4.
Article in Chinese | WPRIM | ID: wpr-694947

ABSTRACT

Objective To investigate the effect of dexmedetomidine on activations of pulmonary extracellular signal-regulated kinase 1/2 (ERK 1/2 )and serine-threonine kinase (Akt) during isolated lung ischemia-reperfusion injury (LIRI)in rats.Methods Forty-five adult male Spra-gue-Dawley rats were randomly divided into three groups (n=1 5 each):control group (group C),is-chemia-reperfusion group (group IR)and dexmedetomidine group (group DEX).Isolated rat lungs were maintained for normal physical activity,and only received ventilation and perfusion for 150 min in the IL-2 ex-vivo lung perfusion system in group C.Isolated rat lungs were subjected to 60 min of is-chemia and apnea followed by 75 min reperfusion and ventilation 15 min after perfusion in the IL-2 ex-vivo lung perfusion system in groups IR and DEX.Dexmedetomidine with a dose of 10 nmol/L was ad-ministrated into perfusion fluid at the onset of reperfusion in group DEX,and the same volume of saline was injected when perfusion for 75 min and at the onset of reperfusion in groups C and IR,respectively.Patho-logical changes of lungs were examined and the injured alveolus rate (IAR)was counted under light micro-scope.The expression levels of ERK 1/2 or Akt mRNA and phosphorylate-ERK 1/2 (p-ERK 1/2 )or phosphorylate-Akt (p-Akt)protein of lung tissue were tested by reverse transcription-polymerase chain re-action (RT-PCR)and Western blot,respectively.Results Compared with group C,the IAR and the ex-pression levels of ERK 1/2 and Akt mRNA or p-ERK 1/2 and p-Akt protein in lung tissue were high-er in groups IR and DEX (P<0.05).Compared with group IR,the IAR and the expression levels of ERK 1/2 and Akt mRNA or p-ERK 1/2 and p-Akt protein in lung tissue were lower in group DEX (P<0.05).Conclusion Dexmedetomidine may reduce LIRI in rat isolated lungs via inhibiting the expressions of IL-6 and IL-8,and the mechanism may be related to suppressing activations of ERK 1/2 and Akt.

5.
Chongqing Medicine ; (36): 2461-2463, 2014.
Article in Chinese | WPRIM | ID: wpr-453127

ABSTRACT

Objective To study the smoking status and revalent cause factors among medical college students in Nanchang and provide information for smoking control .Methods A questionnaire survey was conducted among 935 medical students by stratified cluster random sampling method .912 questionnaires were valid .The valid rate was 97 .540% .Results The total smoking rate was 14 .364% (131/192) .The smoking rate of male was higher than female(χ2 =49 .982 ,P<0 .05) .There was a great difference among different grades(χ2 =22 .503 ,P<0 .05) .There were many factors associated with smoking conducts ,in which older ,higher family income ,higher monthly cost of living ,allowing to smoking in the home were risk factors ,but mother′s educational level ,correct knowledge about the hazards of tobacco were protective factors .Conclusion The smoking rate of medical students is not high .The smoking status are influenced by many factors .Intervention should pay more attention to focus group and better prevent medical students from smoking .

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