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Objective: To examine the clinical effect of simple muscle packing through transnasal sphenoid approach in the treatment of intrasellar arachnoid cyst. Methods: The clinical data of 11 patients with intrasellar arachnoid cyst treated by transnasal sphenoidal approach with simple muscle packing at the Neurosurgery Department of the First Affiliated Hospital of Zhengzhou University from January 2014 to February 2020 were retrospectively analyzed. There were 5 males and 6 females, with a median age of 48 years (range: 23 to 75 years). The clinical manifestations included headache in 6 cases, dizziness in 4 cases, hypo-libido in 1 case, disturbance of consciousness in 1 case, visual impairment in 7 cases and mixed pituitary dysfunction in 5 cases. The enlargement of the sellar fossa was seen in the preoperative MRI images. The enhanced MRI images showed that the cyst wall of the intrasellar arachnoid cyst was not enhanced, and the compression and thinning of the sellar base was seen in the CT images. In 9 cases, the cyst extended suprasellar and the sellar septum was "arched". In 7 cases, the cyst compressed the optic chiasm upward. The cyst walls of all patients were incised through the nasal sphenoid approach under the endoscope, and the muscle was packed after sufficient drainage. The postoperative symptoms, pituitary endocrine function and recurrence of patients were followed up. Results: MRI images of the sellar region in all patients showed significant reduction or disappearance of cysts. Intracranial infection occurred in 1 case and electrolyte disorder in 2 cases, which were relieved after symptomatic treatment. No cerebrospinal fluid rhinorrhea occurred. Postoperative clinical symptoms were completely relieved in 6 cases and partially relieved in 5 cases. Pituitary endocrine function recovered completely in 2 cases and improved significantly in 4 cases. All patients were followed up for 10 to 40 months. One patient found to have a partial recurrence of the cyst 3 months after surgery. Because there were no new symptoms appeared, the follow-up was continued without second operation. Conclusion: Transnasal sphenoidal approach is a feasible method for the treatment of intrasellar arachnoid cyst.

Objective: To assess the relationship between health-related quality of life (HRQOL) and spinal sagittal parameters in patients with degenerative and isthmic spondylolisthesis before and after surgery, and to provide a biomechanical basis for improving the clinical prognosis of such patients. Methods: A retrospective analysis of 63 patients with lumbar spondylolisthesis who received lumbar fusion surgery in the Department of Spine Surgery, Tianjin Union Medical Center from December 2017 to June 2020 was carried out. There were 16 males and 47 females with a mean age of (59±8) years. Subgroup analyses were conducted based on disease type (degenerative lumbar spondylolisthesis (DS) and the isthmic spondylolisthesis (IS)) and HRQOL scores. Patients were evaluated post-operatively to observe the improvement of symptoms and quality of life. The relationship between operative related factors, HRQOL scores before and after surgery, and spino-pelvic sagittal parameters (including sagittal axis of the spine, lumbar lordosis angle, pelvic incidence angle, pelvic tilt angle (PT), sacral tilt angle, matching degree of pelvic incidence angle (PI) and lumbar lordosis angle (LL), lumbar 1 vertebra plumb line, upper lumbar curve, lower lumbar curve) in the two groups were analyzed. The correlation between the improvement of HRQOL scores and spino-pelvic sagittal parameters in the DS group and the IS group was analyzed and compared. Results: There were significant differences between postoperative HRQOL scores compared with those before the operation in both the DS and IS groups at three times of follow-up after the operation (all P <0.05). There was no difference in the last HRQOL score, the number of surgical segments, operation time and intraoperative blood loss between the two groups (all P >0.05). The parameters of PT and PI-LL in DS patients with VAS back pain score>3 and ≤3 were statistically different (13.7°±6.4° vs 26.6°±7.4°, 5.1°±8.2° vs 18.2°±13.1°, respectively, both P <0.05), similar results were obtained in IS patients (14.1°±6.9° vs 16.4°±8.7°, 2.9°±9.7° vs 6.8°±9.8°, respectively, both P <0.05). In addition, the parameters of PT and PI-LL between patients with ODI>20 and ≤20 were all statistically different in the two groups at the last follow-up after surgery (all P <0.05). The improvement of VAS back pain score in DS and IS groups was significantly related to the improvement of PT value, respectively ( r =0.76, 0.78, both P <0.05). The PT, LL and PI-LL were significantly correlated with the ODI in the DS group ( r =0.60, 0.62, 0.50, all P <0.05). There was also a correlation between the improvement of ODI and PT, LL and PI-LL in the IS group, respectively ( r =0.22, 0.41, 0.76, all P <0.05). Conclusions: Certain correlation exists between the HRQOL and spinal sagittal parameters in patients with degenerative and isthmic spondylolisthesis before and after surgery. For the treatment of lumbar spondylolisthesis and improvement of quality of life, the primary goal is to reconstruct the matching degree of the lumbar lordosis angle and PI, and to reduce the PT value to the normal range by tilting the pelvis forward.

Objective: To investigate the clinical and immunological features of cardiac involvement in patients with dermatomyositis (DM). Methods: Data of 271 adult patients with DM diagnosed in the Department of Rheumatology and Immunology, Peking University People's Hospital from 2003 to 2018 were collected retrospectively and analyzed statistically. Results: The occurrence of cardiac involvement in DM was 15.9% (43/271). Main feature of cardiac involvement in DM was elevated cardiac troponin I (cTnI). The most common abnormalities of ECG were T wave abnormality (27.9%, 12/43), sinus tachycardia (16.3%,7/43), ST-T change (14%, 6/43) and right bundle branch block (7%, 3/43). The common manifestations of echocardiography were left ventricular diastolic dysfunction (23.3%, 10/43) and pericardial effusion (23.3%, 10/43). As compared with DM patients without cardiac involvement, DM patients with cardiac damage were more likely to have rapidly progressive interstitial lung disease (ILD), skin damage, anemia, elevated creatine kinase, decreased C3 and serum albumin ( P< 0.05). Positive anti-Ro-52 antibody and Jo-1 antibody were detected more common in DM with cardiac involvement( P< 0.05). Conclusions: Cardiac damage is common complication of DM. Manifestations of cardiac damaging are varied. Rapid progressive ILD and positive Jo-1 and Ro-52 antibodies are more common in this group. Clinicians should improve the awareness of cardiac involvement in DM patients.

Objective: To explore the clinical characteristics and microsurgical strategies of intracranial posterior circulation aneurysms. Methods: The clinical manifestations, imaging data, surgical approaches and follow-up results of 35 patients with circulating aneurysms (37 aneurysms) treated by microsurgery in the First Affiliated Hospital of Zhengzhou University from January 2013 to January 2018 were analyzed retrospectively. Results: A total of 22 aneurysms were clipped, 13 were clipped and resected, 1 case was clipped and together with AVM resection and 1 case was isolated. Of 37 aneurysms in 35 patients, 11 aneurysms were at the basilar artery apexes, 10 at the posterior cerebral arteries, 6 at the posterior inferior cerebellar arteries, 3 at the basilar arteries, 3 at the vertebral arteries (including 1 case of vertebral arterial dissecting aneurysm), 2 at the anterior inferior cerebellar arteries and 2 at the superior cerebellar arteries. The surgical approaches included pterional approach, extensive pterional approach, infratemporal fossa approach, retrosigmoid approach and far-lateral approach. The Glasgow Outcome Scale (GOS) scores showed good recovery in 24 cases, moderate neurological dysfunction in 6 cases, severe neurological dysfunction in 2 cases, persistent vegetative state in 1 case and 2 cases of death 6 months after their discharge from hospital. Conclusions: Posterior circulation aneurysms are adjacent to important structures. They are deep in position, with small operation space and difficult to operate. Full preoperative evaluation of the condition, selection of appropriate surgical methods are the key factors to benefit the patients.

During the period of the Republic of China, Shanghai, with its multicultural communities and a chaos medical market, gathered many traditional Chinese medicine practitioners from all over the country. In addition to a few numbers of famous Chinese medicine practitioners, there were a large number of middle and lower class Chinese medicine practitioners who were not famous in the communities at that time, Yao Xinyuan was most representative one. Although the history of their life is hard to find out in detail, we can dig out some fragments of their medical activities, relying on the many publications from that time's Shanghai. After studying the literatures, we found some characteristics. Although they are faced with fierce medical competition, and it was hard to for them in the long-term survival of Shanghai, they still cherish the ambition to make contribution to the country, and strive to carry the traditional Chinese medicine forward by studying the ancient and seeking the new, integrating Chinese and Western medicine.