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Dive into the research topics where Gokhan Ersunan is active.

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Featured researches published by Gokhan Ersunan.


American Journal of Emergency Medicine | 2013

A different reason for cerebrovascular disease

Ozlem Bilir; Gokhan Ersunan; Asim Kalkan; Tuna Ozmen; Yahya Yigit

Bee stings are commonly encountered worldwide. Various manifestations after a bee sting have been described. Local reactions are common. Unusually, manifestations such as vomiting, diarrhea, dyspnea, generalized edema, acute renal failure, hypotension, and collapse may occur. Rarely, vasculitis, serum sickness, neuritis, and encephalitis have been described, which generally develop days to weeks after a sting. We report a case of a 35-year-old man who developed neurologic deficit 6 hours after a bee sting, which was confirmed to be left parietooccipital infarction on magnetic resonance imaging scan. We report this case due to its rarity.


American Journal of Emergency Medicine | 2015

Abdominal oxygen saturation for monitoring return of spontaneous circulation in out-of-hospital cardiac arrest using near infrared spectrophometry.

Asim Kalkan; Ozlem Bilir; Gokhan Ersunan; Deniz Ozel; Mahmut Tas; Mehmet Erdem Memetoğlu

AIM We used near-infrared spectrophotometry to assess the initial and final abdominal and cerebral saturations during cardiopulmonary resuscitation (CPR) of patients with out-of-hospital cardiac arrest to determine if there is a correlation between increase in these saturation values and return of spontaneous circulation. MATERIALS AND METHODS We evaluated 34 patients with out-of-hospital cardiac arrest without witnesses brought to our emergency department. Abdominal and cerebral saturations were measured using near-infrared spectrophotometry from the start of CPR. Cardiopulmonary resuscitation was performed for a maximum of 30 minutes. The effect of abdominal saturations in patients with or without spontaneous circulation restored through CPR was then assessed. RESULTS Thirty-four patients (17 males + females) with a mean age of 63.06 ± 11.66 years were included in the study. A significant correlation was determined between increase in abdominal saturations measured at the start and end of CPR and the return of spontaneous circulation (P < .001). A good positive correlation was also identified between abdominal saturation and return of spontaneous circulation. CONCLUSION Patients with increased abdominal and cerebral saturation values have a higher survival rate after appropriate CPR. This noninvasive measurement system and monitoring of patients during CPR may be a good method of predicting return of spontaneous circulation and assessing abdominal perfusion.


Emergency Medicine Journal | 2015

Publication rate of abstracts presented at the emergency medicine congresses held by the European Society for Emergency Medicine (EUSEM) in 2011 and 2012.

Asim Kalkan; Ozkan Kose; Ozlem Bilir; Gokhan Ersunan; Deniz Ozel; Ferhat Guler

Purpose The purpose of this study was to assess the publication rate of the abstracts presented at the 6th Mediterranean Emergency Medicine Congress, 2011 and the 7th European Congress on Emergency Medicine, 2012. Materials and methods All abstracts, both posters and oral presentations, from the international emergency medicine congresses held by the European Society for Emergency Medicine (EUSEM) in 2011 and 2012 were identified. To establish whether these abstracts were subsequently published in peer-reviewed medical journals, the names of all the authors and the title of the abstracts were searched for in the databases of Clinical Key/Elsevier, EBSCO Discovery Service, MD Consult, Science Direct, Scopus, EMBASE, Medscape, Google Scholar and local ULAKBIM. The year of publication, consistency of author names and titles, the type of study, the journals in which papers were published and countries from which reports were submitted were all recorded. Results A total of 1721 abstracts were examined; 626 from 2011 (307 oral presentations and 319 posters) and 1095 from 2012 (154 oral presentations and 941 posters). Of all abstracts in 2011, 172 (27.5%) and of all abstracts in 2012, 265 (24.2%) were subsequently published as full-text reports in peer-reviewed journals. Of the 172 papers published in 2011, 152 (88.4%) were accepted by Science Citation Index (SCI) and/or SCI Expanded (SCI-E) journals and 155 (58.5%) of 265 papers were accepted by SCI and/or SCI-E journals in 2012 (p=0.0001). Conclusions The publication rate of abstracts submitted to international emergency medicine congresses held by EUSEM over those 2 years was low compared with that of abstracts presented in other emergency medicine congresses. Presenters should be encouraged to send their studies to peer-reviewed journals. During the selection process by the scientific panel, constructive critics should be notified to the presenters instead of simply accepting or rejecting the studies that submitted to the congress, which may increase the subsequent publication rate.


Case reports in emergency medicine | 2014

Pneumomediastinum Associated with Pneumopericardium and Epidural Pneumatosis

Ozlem Bilir; Ozcan Yavasi; Gokhan Ersunan; Kamil Kayayurt; Baris Giakoup

Spontaneous pneumomediastinum is a relatively rare benign condition. It may rarely be associated with one or combination of pneumothorax, epidural pneumatosis, pneumopericardium, or subcutaneous emphysema. We present a unique case with four of the radiological findings in a 9-year-old male child who presented to our emergency department with his parents with complaints of unproductive cough, dyspnea, and swelling on chest wall. Bilateral subcutaneous emphysema was palpated on anterior chest wall from sternum to midaxillary regions. His anteroposterior and lateral chest radiogram revealed subcutaneous emphysema and pneumomediastinum. His thorax computed tomography to rule out life-threatening conditions revealed bilateral subcutaneous, mediastinal, pericardial, and epidural emphysema without pneumothorax. He was transferred to pediatric intensive care unit for close monitorization and conservative treatment. He was followed-up by chest radiographs. He was relieved from symptoms and signs around the fifth day and he was discharged at the seventh day. Diagnosis of pneumomediastinum is often made based on physical findings and plain radiographs. It may not be as catastrophic as it is seen. Close cardiopulmonary monitorization is mandatory for complications and accompanying conditions. Most patients with uncomplicated spontaneous pneumomediastinum respond well to oxygen and conservative management without any specific treatment.


Western Journal of Emergency Medicine | 2014

Incidental finding in a headache patient: intracranial lipoma.

Ozlem Bilir; Ozcan Yavasi; Gokhan Ersunan; Kamil Kayayurt; Tugba Durakoglugil

A 60 year old female, with a history of atrial fibrillation who was on warfarin therapy, presented to our emergency department with chief complaint of the most severe headache that she ever had. Her vital signs, systemic and neurological examinations were normal. She had emergency computed tomography (CT) of the brain with suspicion of intracranial hemorrhage that revealed a lesion in fat dansity in the lateral ventricle and interhemispheric fissure (Figure a). Her international normalized ratio was 3,2. She underwent cranial magnetic resonance imaging (MRI) that revealed a hyperintense lesion in T1 and T2 sequances in the lateral ventricles, pericallosal area and interhemispheric fissure that did not show contrast enhancement (Figure b and c). After the symptomatic relief by analgesics she was discharged from the emergency department for out-patient follow-up. Figure Image (a) shows cranial computed tomography. There is a homogenously hypodense lesion measuring 33 mm × 30 mm in the lateral and third ventricles with about −101 to −110 Hounsefield unit. Image (b) and (c) show magnetic resonance ... Intracranial lipomas are rare and benign congenital malformations accounting for 0,1% to 0,46% of all intracranial tumors.1 Since half of all cases are asymptomatic, they are usually an incidental finding during neuroimaging studies. Headache is the most common symptom in adults if it becomes symptomatic.2 The deep interhemispheric fissure, especially the corpus callosum, is the most common localization of intracranial lipomas.1 Intracranial lipomas are often associated with other malformations of the central nervous system, such as callosal agenesis or hypogenesis, spina bifida or a cranium bifidum.1,3 Noncontrast cranial CT and brain MRI allow definitive diagnosis. The appearance of the corpus callosum lipoma on the cranial CT scan is quite typical, with the low attenuation seen only in adipose tissue, which ranges from −40 to −100 hounsfield units.4,5 In the brain MRI the lesion presents characteristics of fatty tissue, with a hyperintense signal in both T1 and T2-weighted studies.6 Most lipomas are treated conservatively and rarely requires neurosurgical treatment because of their benign nature.1 Our patient did not have any accompanying lesion and was discharged to follow-up as an out-patient.


Turkish journal of emergency medicine | 2012

Is Increased Mean Platelet Volume a Risk Factor in Patients with Acute Deep Vein Thrombosis

Asim Kalkan; Mehmet Erdem Memetoğlu; Ozlem Bilir; Gokhan Ersunan; Rasim Kutlu; Nuri Tutar

1Department of Emergency Medicine, Recep Tayyip Erdogan University Faculty of Medicine, Rize; Departments of 2Cardiovascular Surgery, 3Cardiology, Gumushane State Hospital, Gumushane; 4Department of Thoracic Medicine, Erciyes Univercity Faculty of Medicine, Kayseri, Turkey. Asim KALKAN,1 Mehmet Erdem MEMETOĞLU,2 Ozlem BILIR,1 Gokhan ERSUNAN,1 Rasim KUTLU,3 Nuri TUTAR4 Is Increased Mean Platelet Volume a Risk Factor in Patients with Acute Deep Vein Thrombosis?


Anadolu Kardiyoloji Dergisi-the Anatolian Journal of Cardiology | 2010

Lightning-induced lethal myocardial infarction and ventricular tachycardia in a boy

Mucahit Emet; Enbiya Aksakal; Sahin Aslan; Mehmet Karacan; Gokhan Ersunan

Lightning injury is one of the most frequent injuries by natural phe-nomenon. It may involve all organ systems; short-term mortality gener-ally depends on its cardiac affects. We present an 8-year-old boy with myocardial infarction (MI) and late ventricular tachycardia secondary to indirect lightning strike.


Turkish journal of emergency medicine | 2014

A Case of Ramsay Hunt Syndrome with Atypical Presentation

Kamil Kayayurt; Ozcan Yavasi; Ozlem Bilir; Gokhan Ersunan; Baris Giakoup

SUMMARY Ramsay Hunt syndrome is a rare complication of herpes zoster which results from the reactivation of the latent varicella-zoster virus in the geniculate ganglion. Although facial nerve is the most common affected nerve in Ramsay Hunt syndrome, other cranial and cervical nerves can also be affected. We present an atypical case of Ramsay Hunt syndrome in a 42-year-old male, with cervical nerve involvement. As spontaneous recovery rate in Ramsay Hunt syndrome is low, early diagnosis and treatment plays a key role in full recovery of paralysis.


Journal of Child Health Care | 2014

Predictors of mortality in childhood burns: an 8-year review.

Ayhan Saritas; Zeynep Cakir; Müfide Nuran Akçay; Hayati Kandis; Gokhan Ersunan; Gürkan Öztürk; Sahin Aslan

This study aims to analyze the epidemiological characteristics and predictors of mortality from burn injuries in childhood patients admitted to our hospital during an eight-year period. The medical records of acute childhood burn patients were reviewed retrospectively. All variables thought to be associated with mortality were entered in a multiple binary logistic regression model (method = stepwise). The magnitude of risk was measured by the odds ratio, and the 95% confidence interval was estimated. A total of 2269 acute childhood burn patients were admitted during the study period. A total of 86 (3.8%) children died due to burn injuries. Deaths were seen 1.849 times more in males than in females. According to the 1%–10% total body surface area (TBSA) burned group, mortality occurred 121.116 times more in the >41% TBSA burned group. Most burn injuries can be avoided by keeping children away from hazardous and dangerous environments. Also, requiring a multidisciplinary management in these patients, quality of care services given by physicians and nurses certainly will create a positive impact on patients’ outcomes.


Journal of Near Infrared Spectroscopy | 2018

Utility of near infrared spectrophotometry in mesenteric ischemia: An experimental study

Gokhan Ersunan; Ozlem Bilir; Asim Kalkan; Yildiray Kalkan; Deniz Ozel; Kamil Kayayurt; Ozcan Yavasi

This study investigated the effectiveness of near infrared (NIR) spectrophotometry for measuring abdominal saturation in a rat model of induced mesenteric ischemia. This was a randomized, controlled, non-blinded interventional animal study. Twenty-eight male Sprague Dawley rats were randomly allocated into four groups. Following induction of anesthesia, the abdominal region was shaved and intra-abdominal access was achieved through a 4-cm midline incision and basal measurements were performed using an INVOS-5100c device. The rats were grouped on the basis of rSO2 measurement times. Mesenteric artery ligation was not performed on the control group rats. From the rest of the mesenteric artery ligated rats, measurements were taken at 30 min, at 2 h and at 6 h. Measurements were repeated using NIR spectrophotometry probes after the abdomen was surgically closed. Following the measurements, the abdomen was re-opened and small intestine tissue specimens were taken for histopathological examination. Initial and final NIR spectrophotometry measurements were compared. No statistically significant difference was found in the group 1 between basal rSO2 values and post-incision values (p = 0.748). There was a significant variation between the initial and final measurements in groups 2, 3, and 4 (p = 0.018). Although various radiological or biochemical markers are available for detecting mesenteric ischemia, the use of NIR spectrophotometry can be considered a good non-invasive alternative method for early diagnosis of acute mesenteric ischemia.

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Ozlem Bilir

Recep Tayyip Erdoğan University

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Asim Kalkan

Recep Tayyip Erdoğan University

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Ozcan Yavasi

Recep Tayyip Erdoğan University

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Kamil Kayayurt

Recep Tayyip Erdoğan University

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Baris Giakoup

Recep Tayyip Erdoğan University

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