Fakülteler / Faculties
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Item Development of Computer Based Ballistocardiography System(2014) Ozturk, Nurhan; Yildiz, Metin; https://orcid.org/0000-0002-2554-6953; JJF-5070-2023Ballistocardiography is a measurement method which monitors physiologic parameters such as heart rate and respiration through measuring the vibrations caused by heart beat. In this study, a computer based system which enables monitoring the changes in the heart rate and respiration without any electrical connection with the patient is introduced. It is examined whether this system can be used in monitoring the heart beat velocity and respiration through making comparisons with a commercial data acquisition system. During the study, it is observed that heart beat velocity is determined with a maximum 5% error and respiration frequency with a maximum 5.8%. Furthermore, respiratory standstill can be detected with this system. According to these results, it could be concluded that the system can be used as pre-diagnosis with the aim of monitoring respiration disorders during sleep.Item Intravesical BCG Immunotherapy: Sepsis and Multiorgan Failure Developed After Traumatic Catheterization(2014) Cicek, Tufan; Togan, Turhan; Erinanc, Hilal; Ugur, Murat; Gonulalan, Umut; Cifci, Egemen; 0000-0003-1401-6356; AAL-1268-2021Intravesical Bacillus Calmette-Guerin (BCG) instillation is a prophylactic therapy using for treating bladder cancer to prevent tumour progression and recurrence. Both local and systemic complications can arise after the installation. Although local complications are common, this therapy is generally well tolerated. Systemic complications are rarely than local complications but can be fatal. We report a case who died from severe complications such as sepsis, pneumonia, renal failure and granulomatous hepatitis after receiving the first maintanence installation of intravesical BCG immunotherapy for bladder transitional cell carcinoma.Item Analysis of Heart Diseases from ECG Signal(2014) Kantar, Tugce; Koseoglu, Ovul; Erdamar, Aykut; https://orcid.org/0000-0001-8588-480X; AAA-6844-2019At the present time, the main method used in the diagnosis of heart disease is the electrocardiography (ECG). The purpose of this study is design a decision support algorithm which automatically detect the normal sinus rhythm or other pathologies. The improved algorithm will provide support to the doctor can be also used for educational purposes. Within the scope of this study, with the design of the rule based algorithm which automatically detect a normal sinus rhythm and non normal sinus rhythm, in total it can detect eight pathologies. In maincode there are thirteen functions that are used for diagnose eight different ECG pathology automatically. Higher success is being anticipated in future for the prediction power of the developed method with continuing research on the matter.Item A Feasibility Study of Communication with Cold Stimulations(2014) Budak, Erdem Inanc; Yildiz, Metin; https://orcid.org/0000-0002-2554-6953; JJF-5070-2023Some part of available sytems which requires surgery (kohlear implant) for communication of completely deaf people, other parts just heal for one side hearing impaired people (soundbite technologies). Thus, there are lot of research of tactiles that are methods for communication through skin. However, existing communication systems's speed are too low, also devices couldn't move because, they working with electricity and have big massive. In this paper we have developed alternative communication method that the system uses cold stimulus for transfer characters through skin and also first tests have been done. We used peltiers for exist to cold stimuli and developed a computer based control system to transfer to peltiers via coding. We saw that subjects perceived two stimulus per second at one point of their forearms. But when we used more than one stimulus for coding characters, perception percent get low. Overall of results, we prove that communication with thermal way is alternative method that gives promise.Item Transpaeritoneal Laparoscopic Simple Nephrectomy: A Single Center Experience(2014) Cicek, Tufan; Sen, Erhan; Gonen, Murat; Gonulalan, Umut; Kosan, Murat; Ozturk, Bulent; 0000-0003-1944-1722; AAJ-8576-2021; AAA-7140-2021Purpose: In this study, we planned to evaluate the efficacy and perioperative outcomes of transperitoneal laparoscopic simple nephrectomy at Baskent University Konya Application and Research Center. Material and Methods: The demographic and perioperative data of patients who underwent transperitoneal laparoscopic simple nephrectomy at Baskent University Konya Application and Research Center Urology clinic between February 2005 and November 2013 were analyzed retrospectively. Operative time, perioperative laboratory results, the durations of hozpitalization and follow-up, perioperative complications and demographic characteristics of each patient were recorded. Results: Overall, 58 patients were included. 27 patients were male (46%) and 31 patients were female (54%). The mean age was 45.3 +/- 17.12 (6-79). The mean operative time was 104.4 +/- 36.5 (40-185) minutes. The mean hospitalization duration was 2.7 +/- 0.7 (2-5) days. The mean preoperative and postoperative hemoglobin levels were 13.7 +/- 1.74 and 12.4 +/- 1.73 mg/dl, respectively. Postoperative hemoglobin levels were statistically significatly lower than preoperative hemoglobin levels (p<0.001). 4 patients (%6.9) needed blood transfusion. 5 patients had grade I, 4 patients had grade II and 2 patients had grade III complications according to modified Clavien classification system. Conclusion: Transperitoneal laparoscopic simple nephrectomy seems to be a safe and efficacious treatment option as having low complication rates.Item A Rare Epididymal Mass: Leiomyoma(2014) Cicek, Tufan; Coskunoglu, Esra Zeynep; Demir, Canan Cicek; Akbaba, Kaan; Uzunkopru, Resit; JBF-7113-2023; AAK-4857-2021Leiomyoma is a benign smooth muscle tumor. It rarely rises from epididymal structures and usually is encountred in adults. The patient, who had undergone total epididymectomy for right scrotal mass at another center, was diagnosed with Epididymal Leiomyoma. He was admitted to our clinic for further evaluation and follow up. The previous eididymectomy specimens obtained and refered to our pathology department for confirmation of diagnosis. Microscopy revealed a benign neoplastic lesion, consisting of spindle cells. Which form interlacing bundels. Mitotic figures and tumor necrosis was not. Observed. The previous diagnosis is confirmed as the tumor showed immunohistochemical smooth muscule actin and Desmin posivity Whereas S-100 was not expressed with in the tumoral cells. This case report also overviews epididymal leiomyoma with recent literature findings.Item Lower Extremity Involvement of a Primarily Intracranial Hydatid Cyst: A Case Report(2014) Altinel, Faruk; Tuncel, Deniz; Ozturk, Ahmet; Acikalin, Mustafa FuatHydatid Cyst is a parasitic disease. The host is usually the intestine of dog. Hydatid cyst is caused by water and food contaminated with parasites' larva. Primary intracranial cyst hydatids are rare. Approximately 75% of intracranial cyst hydatids are encountered in children. We report a pediatric case with intracerebral hydatid cyst occuring with a lower extremity involvement 5 months after the surgery with clinical, radiological and histopathological features.Item Classification of Patients with Heart Failure(2014) Bayrak, Tuncay; Ogul, Hasan; https://orcid.org/0000-0001-6826-4350; U-4603-2019Echocardiography is imaging of anatomy and physiology of heart with high frequency sound waves by using ultrasonic transducers. The signals obtained by using this method are defined as echocardiogram. In this way, the function of heart can be investigated and any abnormal case is determined according to many parameters. In this study, the classification was realized, according to 7 of features obtained from echocardiogram signals belong to 74 of patient in Machine Learning Repository (UCI) database. Naive Bayes was determined as the best classification method for this dataset and 63% sensitivity, 84% specificity, and an accuracy value of 77% has been reached. In conclusion, this study presents an investigation of determination of which features are significant in death based on heart failure.Item A Rare Cause of Duodenal Obstruction: Intramural Hematoma(2014) Coban, Goken; Cifci, Bilal Egemen; Gokturk, Savas; Unler, Ayse Gulhan Kanat; Yildirim, Erkan; 0000-0002-9057-722X; ABI-3856-2020; P-7533-2014Small bowel obstruction due to intramural hematoma secondary to anticoagulant therapy is a rare complication. Other risk factors include hemophilia, idiopathic thrombocytopenic purpura, leukemia, lymphoma, myeloma, chemotherapy, vasculitis, pancreatitis, and pancreatic cancer. The presentation of patients is usually with abdominal pain, nause and vomiting. The patients who were admitted to the emergency clinic with acute abdominal pain and had a history of anticoagulant use with prolonged international normalized ratios should alert to search for intraabdominal hematoma. Herein, we present a patient who was admitted to the emergency clinic with acute abdominal pain, severe nausea and vomiting, and diagnosed by abdominal computed tomography.Item Laparoscopic Transperitoneal Adrenalectomy: Experience with the First 10 Patients(2014) Cicek, Tufan; Karagulle, Erdal; Turk, Emin; Demir, Canan Cicek; Kosan, Murat; 0000-0003-4766-3373; AAJ-5609-2021; JBF-7113-2023; AAK-4857-2021Purpose: In this study we aimed to assess the outcomes and complications of laparoscopic transperitoneal adrenalectomy operation performed in our clinic Materials and Methods: Medical records of patients operated with laparoscopic transperitoneal adrenalectomy between February 2007 and November 2013 at Baskent University Konya Application and Research Center Urology Clinic are examined retrospectively. The demographic characteristics, preoperative and postoperative laboratory results, operation times, complications, and duration of hospital stay and follow- up were recorded. Results: A total of 10 patients underwent laparoscopic transperitoneal adrenalectomy. Seven of these were male and 3 were female. The mean age was 48 +/- 17.4 (27-71) years. The operation time was 104.4 +/- 36.5 (40-185) on average and the mean amount of blood loss was 43.5 +/- 121.2 ml. The average mass size was 41.6 +/- 23.8 (15-90) mm. The mean duration of hospital stay was 3.8 +/- 1.3 (2-6) days. The patients were followed for an average of 45.8 +/- 28.7 (4-85) months. The operation was turned to open technique in two patients. Mean preoperative and postoperative hemoglobin levels of the patients were 13.38 +/- 1.91 and 11.6 +/- 1.7 mg/dl, respectively. Postoperative hemoglobin level was on average lower than the preoperative level (p< 0.001). One patient required blood transfusion. Conclusion: We suggest that the complication rate of laparoscopic adrenalectomy would be lowered by selecting appropriate patients, more detailed assessment of adrenal functions, and increased surgical experience. Laparoscopic transperitoneal adrenalectomy is regarded as a safe and efficient treatment method.