Effects of pain catastrophizing and anxiety on analgesic use after surgical removal of impacted mandibular third molars

Altan, Ahmet,Akkoc, Sumeyra,Erdil, Aras,Colak, Sefa,Demir, Osman,Altan, Halenur The Korean Dental Society of Anesthsiology 2019 Journal of Dental Anesthesia and Pain Medicine Vol.19 No.6

Background: In dentistry, pain is a factor that negatively affects treatments and drug use. The aim of this study was to evaluate the correlations of the postoperative analgesic use with pain catastrophizing and anxiety in patients who underwent removal of an impacted mandibular third molar. Methods: We recruited 92 patients who underwent the extraction of impacted mandibular third molar. In this study, the Pederson index was used to preoperatively determine the difficulty of surgical extraction. Patients were asked to note the number of analgesics used for 7 postoperative days. Patients were divided into two groups based on the Pain Catastrophizing Scale: low and high score groups. State-Trait Anxiety Inventory-trait and State-Trait Anxiety Inventory-state questionnaires were used to determine the anxiety levels of the patients. The obtained data were examined to evaluate the correlations of pain catastrophizing and anxiety with the postoperative analgesic use. Results: In this study, 92 patients, including 60 women and 32 men, were recruited. The analgesic use was higher in women than in men but with no significant difference (P > 0.05). Pain Catastrophizing Scale scores were higher in women than in men but with no significant difference (P > 0.05). The analgesic use was higher in patients with high pain catastrophizing than in those with low pain catastrophizing but with no significant difference (P > 0.05). State-Trait Anxiety Inventory-trait scores were higher in women than in men but with no significant difference. However, state-Trait Anxiety Inventory-state scores were significantly higher in women than in men (P < 0.05). Conclusion: The postoperative analgesic use may be higher in patients who catastrophize pain than in others. Knowing the patient's catastrophic characteristics preoperatively would contribute to successful pain management and appropriate drug selection.

Emotional effect of the Covid-19 pandemic on oral surgery procedures: a social media analysis

Ahmet Altan 대한치과마취과학회 2021 Journal of Dental Anesthesia and Pain Medicine Vol.21 No.3

Background: This study aimed to analyze Twitter users' emotional tendencies regarding oral surgery procedures before and after the coronavirus disease 2019 (COVID-19) pandemic worldwide. Methods: Tweets posted in English before and after the COVID-19 pandemic were included in the study. Popular tweets in 2019 were searched using the keywords "tooth removal", "tooth extraction", "dental pain", "wisdom tooth", "wisdom teeth", "oral surgery", "oral surgeon", and "OMFS". In 2020, another search was conducted by adding the words "COVID" and "corona" to the abovementioned keywords. Emotions underlying the tweets were analyzed using CrystalFeel - Multidimensional Emotion Analysis. In this analysis, we focused on four emotions: fear, anger, sadness, and joy. Results: A total of 1240 tweets, which were posted before and after the COVID-19 pandemic, were analyzed. There was a statistically significant difference between the emotions' distribution before and after the pandemic (p < 0.001). While the sense of joy decreased after the pandemic, anger and fear increased. There was a statistically significant difference between the emotional valence distributions before and after the pandemic (p < 0.001). While a negative emotion intensity was noted in 52.9% of the messages before the pandemic, it was observed in 74.3% of the messages after the pandemic. A positive emotional intensity was observed in 29.8% of the messages before the pandemic, but was seen in 10.7% of the messages after the pandemic. Conclusion: Infectious diseases, such as COVID-19, may lead to mental, emotional, and behavioral changes in people. Unpredictability, uncertainty, disease severity, misinformation, and social isolation may further increase dental anxiety and fear among people.

Management of obstructive sleep apnea in a Treacher Collins syndrome patient using distraction osteogenesis of the mandible

İbrahim Damlar;Ahmet Altan;Berk Turgay;Soydan Kiliç 대한구강악안면외과학회 2016 대한구강악안면외과학회지 Vol.42 No.6

In this study, we present the surgical treatment of obstructive sleep apnea in a child with Treacher Collins syndrome. A 10-year-old girl with a past history of Treacher Collins syndrome presented to our clinic with her parents for respiratory distress and insomnia. The patient was referred to a sleep laboratory where she was diagnosed with obstructive sleep apnea, which was a consequence of her Treacher Collins syndrome. The patient underwent mandibular distraction osteogenesis under general anesthesia. The mandible was expanded by 15 mm using internal bilateral distractors. After distraction osteogenesis, the patient’s respiratory problems resolved, and she was able to sleep comfortably. Distraction osteogenesis was an effective method of advancing the mandible, increasing the upper airway space and ultimately preventing obstructive sleep apnea syndrome in patients with Treacher Collins syndrome.

Successful Treatment of Enterocutaneous Fistula in a Hemodialysis Patient with Somatostatin

Ahmet Alper Kiykim,Bülent Uyar,Tuna KatIrcIbasI,Koray Ocal,Altan YIldIz,Caner Ozer 연세대학교의과대학 2009 Yonsei medical journal Vol.50 No.6

Although cysticercosis is the most common parasitic disease affecting the central nervous system, spinal cysticercosis is rare. A rare form of spinal cysticercosis involving the whole spinal canal is presented. A 45-year-old Korean male had a history of intracranial cysticercosis and showed progressive paraparesis. Spinal magnetic resonance scan showed multiple cysts compressing the spinal cord from C1 to L1. Three different levels (C1-2, T1-3, and T11-L1) required operation. Histopathological examination confirmed cysticercosis. The patient improved markedly after surgery. Although cysticercosis is the most common parasitic disease affecting the central nervous system, spinal cysticercosis is rare. A rare form of spinal cysticercosis involving the whole spinal canal is presented. A 45-year-old Korean male had a history of intracranial cysticercosis and showed progressive paraparesis. Spinal magnetic resonance scan showed multiple cysts compressing the spinal cord from C1 to L1. Three different levels (C1-2, T1-3, and T11-L1) required operation. Histopathological examination confirmed cysticercosis. The patient improved markedly after surgery.

Mechanical Investigation and Durability of HDPE-confined SCC Columns Exposed to Severe Environment

Ahmet Emin Kurtoglu,Ali Khalid Hussein,Mehmet Eren Gulsan,Mehmet Fatih Altan,Abdulkadir Cevik 대한토목학회 2018 KSCE JOURNAL OF CIVIL ENGINEERING Vol.22 No.12

This paper aims at investigating the mechanical properties and short term durability performance of Self-Compacting Concrete (SCC) – filled High Density Polyethylene (HDPE) tubes with and without steel fibers. A total of 45 cylinder specimens were prepared and subjected to aggressive substances such as sulfate or acid contents. At the end of each exposure, the specimens were instrumented and tested under axial compression. Test variables included the environmental exposure conditions, tube thickness, inside diameter, tube height and steel fiber presence. The load-strain behavior was inspected to evaluate the effect of each exposure. The results indicated that peak load reduction in HDPE-confined specimens is only about 0.3-1% whereas this reduction is around 45 -50% for unconfined specimens. In addition, increasing tube thickness by 30% results in up to 50% higher fracture energy. Results also indicate that steel fiber addition has little contribution (0.3-1%) in load capacity whereas the energy absorption capacity is increased up to 20%.

Development of a prediction model using fully connected neural networks in the analysis of composite structures under bird strike

Zehra Hasılcı,Muharrem Erdem Boğoçlu,Ahmet Selim Dalkılıç,Altan Kayran 대한기계학회 2022 JOURNAL OF MECHANICAL SCIENCE AND TECHNOLOGY Vol.36 No.2

Bird strike is one of the most hazardous issues facing global aviation. In the present study, a hybrid methodology is developed utilizing, automated data generation and fully connected neural networks to practically and reliably obtain the global deformation of composite structures subject to bird strike. The validation of the proposed numerical bird strike model is accomplished by making comparisons with the available experimental data from three different resources in the literature on the chicken and gelatine strike tests to a rigid plate, and strike test against an aircraft composite vertical leading edge. For three different bird velocities, 9402 input files are created by an automatic data generator considering all possible stacking sequence combinations in accordance with the composite design guidelines. The global deformation of composite laminates caused by bird strike is estimated via the fully connected neural networks established. Results of the present study show that with the use of fully connected neural networks, global deformation of the composite laminate can be estimated reliably and preliminary design of the composite laminate can be performed very fast compared to performing nonlinear finite element analysis involving bird strike. In conclusion, the fully connected neural network model is found to be an alternative for additional LS-Dyna simulations in the optimization process.

Angioleiomyoma of the gingiva: a report of two cases

Osman Fatih Arpağ,Ibrahim Damlar,Soydan Kılıç,Ahmet Altan,Zeynel Abidin Taş,Tü,may Ö,zgü,r 대한구강악안면외과학회 2016 대한구강악안면외과학회지 Vol.42 No.2

Leiomyoma is a type of benign smooth muscle neoplasm that is a common neoplasm of the uterus and gastrointestinal tract but rarely affects the head and neck region and is especially unlikely to affect the oral cavity. The diagnosis of leiomyoma is mainly determined by histopathological studies due to variation in its clinical appearance and symptoms. In the present paper we report two rare cases of gingival angioleiomyoma in the posterior maxilla and mandible. After total excision, hematoxylin-eosin and smooth muscle actin staining confirmed the diagnosis of angioleimyoma.