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1.
Chinese Journal of Radiology ; (12): 415-419, 2021.
Article in Chinese | WPRIM | ID: wpr-884435

ABSTRACT

Objective:To evaluate the value of DWI with background suppression (DWIBS) in evaluating the injury of the low limb nerves in patients with Guillain-Barre syndrome (GBS).Methods:The clinical and imaging data of 30 patients with GBS and 30 healthy volunteers matched with their age and gender in Zibo Central Hospital from January 2018 to December 2019 were analyzed retrospectively. All patients received lower limb nerve electrophysiological examination and all subjects received lower limb nerve DWIBS examination one week later. The display of tibial nerve and common peroneal nerve after DWIBS image reconstruction in normal volunteers and GBS patients was scored by two senior radiologists. Kappa consistency test was used to analyze the consistency of the two senior radiologists′ scores. One-way ANOVA was used to compare the motor nerve conduction velocity (MCV) and motor nerve conduction amplitudes of tibial nerve and common peroneal nerve in patients with GBS among different DWIBS scores. Spearman correlation analysis was used to evaluate the correlation between DWIBS tibial nerve and common peroneal nerve scores and electrophysiological parameters in patients with GBS.Results:In the DWIBS images of 30 healthy volunteers, 60 tibial nerves and common peroneal nerves showed clear, sharp edges, good signal intensity, uniformity, and the scores were 4. The consistency between the two radiologists was good (Kappa value=1.0). In the 60 tibial nerves and common peroneal nerves of 30 GBS patients, 53 tibial nerves and 52 common peroneal nerves showed abnormal changes in varying degrees, including blurred edges, distortions, difficulty in recognition, and weakened signal strength, etc. The consistency between the two readers was good (Kappa value=0.879,0.863,respectively.).With the decrease of DWIBS score, the MCV and motor nerve conduction amplitude values of tibial nerves and common peroneal nervesin GBS patients decreased, and the differences between the score groups were statistically significant ( P<0.01). The scores of tibial nerves and common peroneal nerves in DWIBS were positively correlated with MCV ( r=0.83, 0.84, respectively, P<0.05) and motor nerve conduction amplitude ( r=0.81, 0.79, respectively, P<0.05). Conclusion:DWIBS could provide a three dimensional visualization of tibial nerves and common peroneal nerves, and evaluate the disorders of peripheral nerves in patients with GBS. There has correlation between the scores of tibial nerves and common peroneal nerves in DWIBS with electrophysiology parameters.

2.
Chinese Journal of Endemiology ; (12): 306-309, 2019.
Article in Chinese | WPRIM | ID: wpr-744303

ABSTRACT

Objective To understand the epidemiological characteristics of recent brucellosis in Hohhot.Methods Clinical data of patients with brucellosis in Hohhot City were retrospectively analyzed,and the patients were diagnosed in the outpatient clinic of Comprehensive Center for Disease Prevention and Control of Inner Mongolia Autonomous Region from 2014 to 2017.To analyze the patient's area,age,gender,occupation and time distribution of the disease.Results A total of 1 940 patients with brucellosis were diagnosed in Hohhot from 2014 to 2017,with an average age of 50.8 years old.There were 1 464 males with an average age of 50.4 years old and 476 females with an average age of 51.9 years old;the male-female ratio was 3:1.The number of cases of brucellosis in 2014-2017 was 612,649,402,and 277,respectively.Brucellosis was mainly distributed in three districts including Horinger County (937 cases),Tumd Left Banner (236 cases) and Tuoketuo County (191 cases),accounting for 70.31% (1 364/1 940) of the total number of cases in the city.The age of onset was at least 1 year old,the oldest age was 86 years old,and most cases were in the 45-< 65 age group,the total number of cases was 1 046,accounting for 53.92% (1 046/1 940) of the total number of cases in the city;the occupational distribution was mainly farmers (1 795 cases),herders (13 cases) and veterinarians (17 cases),with a total of 1 825 cases,accounting for 94.07% (1 825/1 940).The time distribution was mainly concentrated in March-July,and the number of cases was 1 157 cases.Conclusions The number of brucellosis cases in Hohhot area of Inner Mongolia is mainly from Horinger County,Tumd Left Banner and Tuoketuo County;the cases occur frequently in Spring and Summer;the age of onset is mainly between 45-< 65 years old,they are mainly male farmers.

3.
Article in Chinese | WPRIM | ID: wpr-749238

ABSTRACT

OBJECTIVE@#To investigate the correlation of polysomnography parameters and CT measurements in upper airway of mild and severe obstructive sleep apnea hypopnea syndrome (OSAHS) patients before and after uvulopalatopharyngoplasty (UPPP).@*METHOD@#Having PSG detection and spiral computed tomograph scan for 30 mild and severe OSAHS patients both before and after UPPP operation, compare the morphology change of upper airway on CT measurements, use pearson correlation analysis to analysis the correlation between the minimum cross-sectional area, left and right diameter, anteroposterior diameter in upper airway and apnea hypopnea index (AHI).@*RESULT@#The difference of the minimum cross-sectional area, left and right diameter, anteroposterior diameter in upper airway before and after UPPP operation was significant. The minimum cross-sectional area, left and right diameter was negatively correlated with AHI; Left and right diameter was not correlated with AHI.@*CONCLUSION@#The minimum cross-sectional area, left and right diameter, anteroposterior diameter after operation is bigger than before operation. The minimum cross-sectional area, left and right diameter is negatively correlated with AHI.


Subject(s)
Adult , Female , Humans , Intraoperative Period , Male , Middle Aged , Palate , General Surgery , Pharynx , General Surgery , Polysomnography , Sleep Apnea, Obstructive , Diagnostic Imaging , General Surgery , Tomography, X-Ray Computed , Uvula , General Surgery
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