Objective:To investigate the effect of mind mapping on the discharge readiness of patients undergoing first coronary stent implantation, so as to provide basis for seeking effective discharge guidance in clinical practice.Methods:One hundred patients who were hospitalized in the Department of Cardiology, the Second Affiliated Hospital of Dalian Medical University from December 2019 to August 2020 and who underwent coronary stent implantation for the first time were selected as the study objects. They were divided into the control group and the experimental group with 50 cases in each group by the random number table method. The control group was given routine discharge guidance, and the experimental group was given discharge guidance using mind mapping. Readiness for Hospital Discharge Scale and Quality of Discharge Teaching Scale were used to compare the differences of discharge readiness and discharge guidance quality between the two groups after intervention.Results:The personal status, adaptability, predictive support and the total score of discharge readiness in the experimental group were (25.18 ± 3.79), (45.24 ± 3.63), (36.62 ± 3.63), (107.04 ± 8.92) points, which were all higher than those in the control group (23.34 ± 3.04), (41.68 ± 3.62), (35.14 ± 2.14), (100.16 ± 7.36) points, with statistically significant differences ( t values were -4.91--2.48, all P<0.05). The actual acquired content, guiding skills and results, total scores of discharge guidance quality of patients in the experimental group were (56.66 ± 6.06), (94.46 ± 4.33), (151.12 ± 8.26) points, which were all higher than those in the control group (45.38 ± 9.19), (89.44 ± 10.87), (134.82 ± 14.31) points, with statistically significant differences ( t values were -7.25, -3.03, -6.97, all P<0.05). Conclusions:Mind mapping can effectively improve the discharge preparation degree and discharge guidance quality of patients undergoing coronary stent implantation for the first time, and it is a simple and practical discharge guidance tool.

Objective:To understand the level of thirst distress in heart failure and analyze its influencing factors, in order to provide a theoretical basis for implementing the intervention measures to alleviate patients′ thirst distress.Methods:A total of 187 patients with heart failure who met the inclusion criteria from the First Affiliated Hospital and the Second Affiliated Hospital of Dalian Medical University from November 2019 to October 2020 were selected as the research objects. The General Information Questionnaire, Thirst Distress Scale-Heart Failure, Generalized Anxiety Disorder 7-item Scale, Patient Health Questionaire-9 and Brief Illness Perception Questionnaire were used to investigate heart failure patients. Multiple linear regression was used to explore the influencing factors of heart failure patients′ thirst distress.Results:The score of thirst distress in heart failure patients was (23.95 ± 4.21), multiple stepwise linear regression analysis showed that heart function grade, diuretic usage, anxiety, depression and disease perception were the influencing factors of thirst distress in patients with heart failure, which explained 41.9% of the thirst distress in heart failure patients.Conclusions:The thirst distress of heart failure patients is in the middle level, and its thirst distress is affected by many factors, clinical medical staff should pay attention to the severity of thirst distress in patients with heart failure, actively develop different intervention measures to reduce patients′ thirst sensation, and explore effective schemes to alleviate thirst distress in patients with heart failure.

Auditory neuropathy spectrum disorder (ANSD) represents a variety of sensorineural deafness conditions characterized by abnormal inner hair cells and/or auditory nerve function, but with the preservation of outer hair cell function. ANSD represents up to 15％ of individuals with hearing impairments. Through mutation screening, bioinformatic analysis and expression studies, we have previously identified several apoptosis-inducing factor (AIF) mitochondria-associated 1 (AIFM1) variants in ANSD families and in some other sporadic cases. Here, to elucidate the pathogenic mechanisms underlying each AIFM1 variant, we generated AIF-null cells using the clustered regularly interspersed short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) system and constructed AIF-wild type (WT) and AIF-mutant (mut) (p.T260A, p.R422W, and p.R451Q) stable transfection cell lines. We then analyzed AIF structure, coenzyme-binding affinity, apoptosis, and other aspects. Results revealed that these variants resulted in impaired dimerization, compromising AIF function. The reduction reaction of AIF variants had proceeded slower than that of AIF-WT. The average levels of AIF dimerization in AIF variant cells were only 34.5％?49.7％ of that of AIF-WT cells, resulting in caspase-independent apoptosis. The average percentage of apoptotic cells in the variants was 12.3％?17.9％, which was significantly higher than that (6.9％?7.4％) in controls. However, nicotinamide adenine dinucleotide (NADH) treatment promoted the reduction of apoptosis by rescuing AIF dimerization in AIF variant cells. Our findings show that the impairment of AIF dimerization by AIFM1 variants causes apoptosis contributing to ANSD, and introduce NADH as a potential drug for ANSD treatment. Our results help elucidate the mechanisms of ANSD and may lead to the provision of novel therapies.

Objective To establish the functional constipated mouse model by compound diphenoxylate, and explore the anti-constipation effect of black garlic polysaccharide. Methods Mouse small intestine ink propulsion experiment and mouse defecation experiment were carried out respectively. The mice in each experiment were randomly divided into blank group, model group, positive group and black garlic polysaccharide （0.25, 0.5, 1 g/kg） groups. Mice in blank group and model group were given distilled water, and in positive group were given lactulose oral solution. Compound diphenoxylate （5 mg/kg） was intragastric administrated after 1 week of administration, and small intestine propulsion experiment and defecation experiment were conducted respectively. Results Compared with model group, intestinal propulsion rate of black garlic polysaccharide groups was significantly increased and first dejection time was significantly shorten, and the number, weight and fecal water content increased significantly at 6 h in middle and high dose groups. Conclusion Black garlic polysaccharide could promote intestinal propelling, shorten defecation time and increase fecal water content.

Auditory neuropathy spectrum disorder (ANSD) represents a variety of sensorineural deafness conditions characterized by abnormal inner hair cells and/or auditory nerve function, but with the preservation of outer hair cell function. ANSD represents up to 15% of individuals with hearing impairments. Through mutation screening, bioinformatic analysis and expression studies, we have previously identified several apoptosis-inducing factor (AIF) mitochondria-associated 1 (AIFM1) variants in ANSD families and in some other sporadic cases. Here, to elucidate the pathogenic mechanisms underlying each AIFM1 variant, we generated AIF-null cells using the clustered regularly interspersed short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) system and constructed AIF-wild type (WT) and AIF-mutant (mut) (p.‍T260A, p.‍R422W, and p.‍R451Q) stable transfection cell lines. We then analyzed AIF structure, coenzyme-binding affinity, apoptosis, and other aspects. Results revealed that these variants resulted in impaired dimerization, compromising AIF function. The reduction reaction of AIF variants had proceeded slower than that of AIF-WT. The average levels of AIF dimerization in AIF variant cells were only 34.5%‍‒‍49.7% of that of AIF-WT cells, resulting in caspase-independent apoptosis. The average percentage of apoptotic cells in the variants was 12.3%‍‒‍17.9%, which was significantly higher than that (6.9%‍‒‍7.4%) in controls. However, nicotinamide adenine dinucleotide (NADH) treatment promoted the reduction of apoptosis by rescuing AIF dimerization in AIF variant cells. Our findings show that the impairment of AIF dimerization by AIFM1 variants causes apoptosis contributing to ANSD, and introduce NADH as a potential drug for ANSD treatment. Our results help elucidate the mechanisms of ANSD and may lead to the provision of novel therapies.
Humans ; Apoptosis Inducing Factor/metabolism* ; NAD/metabolism* ; Dimerization ; Apoptosis