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Examining the frequency of endoscopic findings in patients with covid-19 with upper gastrointestinal bleeding referred to al-Zahra Hospital of Isfahan
Elham Tabesh, Zahra Iravani , Mohammad Jafari, Maryam Soheilipour, Mohammad Javad Tarrahi ,
Volume 80, Issue 9 (12-2022)
Abstract
Background: Gastrointestinal bleeding is one of the consequences of COVID-19, which is associated with increased hospitalization and patient mortality. This study was conducted to determine the prevalence of endoscopic findings and the outcome of gastrointestinal bleeding in patients with COVID-19 who were hospitalized from September to December 2019 in Al-Zahra Hospital, Isfahan.
Methods: In this cross-sectional study, out of 5800 patients who were admitted to Al-Zahra Hospital in Isfahan from September to December 2019 due to COVID-19 (according to the positive PCR test result), 87 patients who underwent endoscopy due to upper gastrointestinal bleeding by a skilled gastroenterologist, were selected and studied. Demographic characteristics, underlying diseases, use of anticoagulants, and laboratory findings were studied and evaluated and finally, the disease was evaluated and compared based on endoscopic findings.
Results: Based on the results obtained from this research, the patients with endoscopic lesions had higher average age (P=0.041), lower blood oxygen saturation percentage (P=0.028), and higher bleeding intensity (P=0.018). The frequency of using anticoagulant drugs in the group whose endoscopy results were abnormal was higher but insignificant. Hemoglobin, platelet, lymphocyte, and CRP levels were higher in the group whose endoscopy was normal, and NLR, LDH, and D-dimer levels were higher in the group whose endoscopy was abnormal (P<0.050). Three people (11.55%) from the group with normal endoscopy and 18 people (29.5%) from the group with abnormal endoscopy died, but the frequency of death was not significantly different between the two groups (P=0.070).
Conclusion: The findings of the present study showed that the COVID patients with upper gastrointestinal bleeding who had endoscopic lesions had significant differences in some characteristics such as age, bleeding intensity, and blood oxygen saturation percentage with patients with normal endoscopy. Also, the frequency of death in patients with endoscopic lesions was relatively higher. Therefore, COVID patients with gastrointestinal bleeding should undergo endoscopy as soon as possible and necessary measures should be taken to control and prevent gastrointestinal bleeding.

Response to treatment of osteoid osteoma after radio frequency ablation and a comparison between drilling and curettage techniques before radio frequency ablation
Alireza Rasekhi, Ali Vatankhah , Saeed Solouki-Mootab , Banafsheh Zeinali-Rafsanjani ,
Volume 81, Issue 5 (8-2023)
Abstract
Background: Osteoid osteoma is a painful benign osteoblastic lesion occurring mainly in the long bones. On the one hand, some studies have declared that post-treatment CT cannot determine the success or failure of radiofrequency ablation, on the other hand, some studies have stated that imaging follow-up can be helpful or even mandatory in some cases. The present study aims to evaluate Osteoid Osteoma's imaging features before or after radiofrequency ablation with or without curettage and during the follow-up period.
Methods: In this retrospective and cross-sectional study, we reviewed twenty seven Osteoid Osteoma patients with radiofrequency ablation who were assessed via drilling with or without curettage from March 2015 to December 2019 at Nemazi Hospital, Shiraz University of Medical Sciences.
Results: Radiofrequency ablation with drilling was used in 22(81.5%) patients, and for the rest 5(18.5%), radiofrequency ablation with curettage and drilling was performed as a treatment procedure. The overall clinical success rate was 92.6%(25/27), with a low complication rate (7.4%). The mean diameter of nidus in pre/pos treatment was 3.46±2.02 and 2.22±1.75 mm, respectively. Femur 12(44.4%) was the most common bone in the patients. Significant differences between pre/post treatment follow up examinations in nidus size (P=0.03), nidus diameter (P=0.02), bone and calcification size (P=0.005) were detected. Additionally, it depicts that the mean values of tumor size and cortical thickening decreased after treatment.
Conclusion: It is noteworthy that the present study had some limitations, including the small sample size and the relatively short follow-up period. There is no significant difference between radiofrequency ablation after drilling and curettage in treating Osteoid Osteoma. It is concluded that although there was a significant difference in pre/post-treatment imaging, there is no need for continuous imaging follow-up in treated patients without clinical complications such as pain to mitigate radiation dose risks and healthcare expenses.

Performing Epidural blood patch through the caudal space in a patient with cerebrospinal fluid leakage: a case report
Farhad Tavakoli, Ebrahim Espahbodi, Abbas Ostad Alipour ,
Volume 81, Issue 9 (12-2023)
Abstract
Background: CSF fluid leakage due to damage to the dura mater layer is a rare complication of spine surgery. One of the methods to control symptoms in case of failure of supportive treatments is to inject the patient's blood into the epidural space at the levels adjacent to the leakage site
Case Presentation: The patient is a 56-year-old woman, who suffered a CSF leak after laminectomy of the fourth vertebra. Due to the presence of a surgical incision at the leak site, the lack of access to the epidural space from that location, and disturbing symptoms, caudal space was chosen. Method, In a prone position with vital signs monitoring, proper sedation, and local anesthetic injection, in completely sterile conditions, with the help of fluoroscopy, through the sacral hiatus  Tuohy 18G needle entered into the epidural space and contrast material was injected, the exact location of the needle in the AP-Lateral view ensured, the epidural catheter was measured from the skin to the approximate location of the L4 vertebra and about 20 cm of the catheter was shortened to facilitate blood injection then the catheter was inserted into the epidural space again, the contrast material was injected into the catheter and the diffusion of the contrast material was seen at the level of the fifth vertebra. Then, in the cubital vein, a 16G IV cannula was inserted under completely sterile conditions. Then 20 cc of blood was taken from the patient's peripheral vein and slowly injected into the catheter. After the injection of 17 cc, the patient felt heaviness and pain in the lower back, the blood injection was stopped and the catheter and needle were removed. The needle insertion site was bandaged and the patient with stable vital signs and full consciousness was transferred to the recovery room and then to the ward.
 Conclusion: when it is not possible to access the epidural space via the interlaminar approach, the caudal space by inserting a catheter can be a good alternative.

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