Publications by authors named "Siamak Rimaz"

Blood loss during burn surgery significantly contributes to morbidity and mortality. Tranexamic acid (TXA), an antifibrinolytic agent, is hypothesized to reduce intraoperative bleeding. This double-blinded, randomized clinical trial aimed to assess the efficacy of systemic TXA in severe burn patients (total body surface area [TBSA] > 20 %) undergoing surgery.

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  • - The study investigated the outcomes of abdominal aortic aneurysm (AAA) repair surgeries, comparing open surgery with endovascular repair methods in 60 patients at Razi Hospital from 2010 to 2019.
  • - Results showed that patients who underwent endovascular repair had significantly lower rates of complications, shorter hospital stays, and reduced need for pain management compared to those who had open surgery.
  • - The conclusion highlighted that endovascular surgery is safer with fewer postoperative complications and in-hospital deaths than traditional open surgery for AAA repair.
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Background: Diastolic dysfunction (DD) is a risk factor for cardiovascular events in patients undergoing non-cardiac surgeries. Investigators aimed to assess the effect of physical activity level on the diastolic function of the left ventricle (LV) in patients attending the preoperative visit.

Methods: This analytic cross-sectional study was conducted on 228 patients referred to Poursina hospital from November 2021 to March 2022.

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  • - This study analyzed work-related burn injuries at a burn center in northern Iran from 2011 to 2020, finding that out of 9,220 cases, 429 (4.65%) were work-related, predominantly affecting males with a significant incidence in the summer months.
  • - The most common cause of these burns was fire and flames (62.0%), with the upper limb being the most frequently injured area, and the average length of hospital stay for burn patients was about 10 days.
  • - The research highlights the urgent need for educational and prevention programs targeting young male workers involved in high-risk activities, particularly in food preparation, welding, and electrical work, to reduce the incidence of such injuries.
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Burns are a leading cause of global mortality and disability. Burns have the mental, psychological and physical impact on the sufferers. Burn patients need special care, both physical and mental, and majority of them are suffering from symptom of difficulty, such as depression, anxiety, post-traumatic stress disorder, and isolation.

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Background: There are no comprehensive and accurate statistics on epidemiology and clinical features, especially during the COVID-19 period. The present study tries to describe the pediatric traumas in a referral treatment center in northern Iran during the COVID-19 period and to compare the available statistics with the years before pandemics to examine the differences in the epidemiology of this event in our country.

Methods: This cross-sectional study was performed on 543 children under 15 years admitted to this hospital due to different types of traumas in the first six months of 2019 (before the COVID-19 pandemic) and the first six months of 2020 (coinciding with the peak of the pandemic).

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Background: Evidence suggests that referral cases of traumatic injuries have decreased during the COVID-19 pandemic both in childhood and in adulthood. Still we have very little evidence of referrals due to traumatic brain injury among children during the COVID-19 outbreak. The present study aimed to describe epidemiological and clinical features of pediatric traumatic brain injuries.

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Background: Burns following convulsion could be an important problem for patients with epilepsy. In the present study we aimed to identify the pattern and the cause of burns in these patients.

Methods: This is a cross-sectional study that was performed in 2017-2019 in Guilan on 40 patients with burns following seizure.

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Background: Pediatric patients feel significant fear and anxiety when undergoing surgeries. The ideal drug and its administration route have not been found yet. The aim of this study was to compare the efficacy and safety of intranasal (IN) ketamine and midazolam as premedication in children.

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Background: Recent articles about the topic of the anesthetic agents-related neurotoxicity have currently attracted the attention to the issue in the anesthesiology community. However, specialists in other fields should also be aware of this potential risk.

Objectives: This study aimed to evaluate the knowledge and practice of physicians at Guilan academic hospitals regarding general anesthesia-related neurotoxicity.

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Background: The second most abundant mineral in the body, phosphorus (P), is absorbed in the small intestine after ingestion enhanced by 1,25-dihydroxy vitamin D, and its excretion is exclusively regulated by the kidney. It is clinically significant, aside from its disturbance in burn ICU patient's P mechanism. The increasing rate of morbidity and mortality among the patients can be associated with severe hypophosphatemia.

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Introduction: Finding easily accessible and non-invasive methods for differentiating various sources of gastrointestinal (GI) bleeding before performing endoscopy and colonoscopy is of great interest. The present study was designed with the aim of evaluating the screening performance characteristics of blood urea nitrogen (BUN) to Creatinine (Cr) ratio in this regard.

Methods: The present diagnostic accuracy study was performed on patients with acute GI bleeding presenting to emergency department from 2011 to 2016, in a retrospective manner.

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Background: Myocardial dysfunction is frequently described as an underlying cause of mortality in traumatic brain injury (TBI) known as brain-cardiac link. However the impact on prognosis of a disease remains uncertain.

Objectives: The current study aimed at investigating the correlation between TBI and cardiac troponin I (cTnI) rise and in-hospital mortality rate among patients with TBI.

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  • Primary simultaneous multiple organ teratomas are very rare, typically found in gonads, with only 1-3% occurring in the mediastinum.
  • A case is presented of a patient with multiple immature teratomas, who experienced symptoms like cough and dyspnea due to a mass in the neck and chest area.
  • Following a CT biopsy confirming the tumor type, the patient underwent neoadjuvant therapy and surgery, resulting in being symptom-free after 6 months, highlighting the need for awareness among clinicians regarding these rare cases.
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Objective: To determine whether spinal anesthesia combined with obturator nerve blockade (SOB) is effective in preventing obturator nerve stimulation, jerking and bladder perforation during transurethral resection of bladder tumor (TURBT).

Material And Methods: In this clinical trial, 30 patients were randomly divided into two groups: spinal anesthesia (SA) and SOB. In SA group, 2.

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Background: Etomidate is a potent hypnotic agent with several desirable advantages such as providing a stable cardiovascular profile with minimal respiratory adverse effects and better hemodynamic stability compared with other induction agents. This drug is associated, however, with myoclonic movements which is characterized by a sudden, brief muscle contractions as a disturbing side-effect.

Objectives: The present study was designed to compare the effectiveness of low- dose midazolam, magnesium sulfate, remifentanil and low-dose etomidate to suppress etomidate-induced myoclonus in orthopedic surgery.

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Objectives: The aim of this study is to review the clinical presentations, diagnostic methods, treatment options and outcome of patients with Granulomatous Mastitis (GM).

Material And Methods: In a retrospective study, we indentified 206 women who met the required histological criteria of (GM).

Results: Thirty eight (18%) of these women had taken antibiotics before their diagnosis of GM.

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Background: Burn pain is recognized as being maximal during therapeutic procedures, and wound debridement can be more painful than the burn injury itself. Uncontrolled acute burn pain increases the stress response and the incidence of chronic pain and associated depression. Although opiates are excellent analgesics, they do not effectively prevent central sensitization to pain.

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