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Gedik Toker Ö, Hüsam H, Behmen MB, Bal N, Gültekin M, Toker K. Validity and Reliability of the Turkish Version of the Emotional Communication in Hearing Questionnaire. Am J Audiol 2023:1-13. [PMID: 37956697 DOI: 10.1044/2023_aja-23-00093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2023] Open
Abstract
PURPOSE The Emotional Communication in Hearing Questionnaire (EMO-CHeQ) is designed to evaluate awareness of vocal emotion information and perception of emotion. This study sought to translate the EMO-CHeQ into Turkish in accordance with international standards and to ascertain its validity and reliability statistically by administering it to native Turkish-speaking subjects. METHOD This empirical study involved collecting data from participants using a scale. A total of 460 individuals, comprising 158 women and 302 men (Mage = 33.43 ± 13.14 years), participated. The data encompassed 295 subjects with normal hearing, 101 hearing aid users, and 64 cochlear implant users. Exploratory factor analysis, followed by confirmatory factor analysis, was employed to ensure construct validity. Internal consistency was assessed with Cronbach's alpha reliability analysis, and content validity was applied to examine how effectively the Turkish version of the scale fulfilled its intended purpose. RESULTS The total Cronbach's alpha internal consistency coefficient of the scale was .949, and the explained variance was 74.385%. The Turkish version of the EMO-CHeQ demonstrated high construct validity, internal consistency, and explanatory efficacy. The scale revealed significant differences (p < .05) in emotional communication among the normal-hearing group, hearing aid users, and cochlear implant users. CONCLUSIONS The Turkish adaptation of the EMO-CHeQ is a credible and robust tool for evaluating how individuals perceive emotion in speech. Emotion perception was found to be suboptimal among hearing aid users compared to cochlear implant users, although it was most proficient in those with normal hearing. SUPPLEMENTAL MATERIAL https://doi.org/10.23641/asha.24520624.
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Affiliation(s)
- Özge Gedik Toker
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
| | - Hilal Hüsam
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
| | - Meliha Başöz Behmen
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
| | - Nilüfer Bal
- Department of Audiology, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
- Department of Audiology, Faculty of Medicine, Marmara University, Istanbul, Turkey
| | | | - Kerem Toker
- Department of Health Management, Faculty of Health Sciences, Bezmialem Vakıf University, Istanbul, Turkey
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Derin OB, Toker K, Gorener A. The relationship between knowledge sharing and innovative work behaviour: the mediating role of ethical climate. Knowledge Management Research & Practice 2022. [DOI: 10.1080/14778238.2020.1860666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Oyku Basak Derin
- Graduate School of Social Sciences, Istanbul Commerce University, Istanbul, Turkey
| | - Kerem Toker
- Department of Health Management, Faculty of Health Sciences, Bezmiâlem Vakif University, Istanbul, Turkey
| | - Ali Gorener
- Department of Management, Faculty of Business, Istanbul Commerce University, Istanbul, Turkey
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Kaymakcı R, Görener A, Toker K. The perceived overqualification's effect on innovative work behaviour: Do transformational leadership and turnover intention matter? Current Research in Behavioral Sciences 2022. [DOI: 10.1016/j.crbeha.2022.100068] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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Abstract
BACKGROUND Contributing to the innovative behavior of individuals in the health management process is a desirable condition for increased health institution performance. The relationship between the sense of loneliness and individual innovation behaviors has not been studied and relevant literature is extremely limited. The purpose of this research was to examine the effect of an individual's sense of loneliness on their innovative behavior. METHODS The research was performed between January and October 2018. The effects of loneliness feelings on the individual innovative behaviors of 451 health science faculty students were measured. The data were collected using the "Individual Information Form," the "individual innovation scale," and the "University of California Los Angeles loneliness scale." The reliability and validity of the scales were tested with Structural Equation Modeling. RESULTS It was found that the female participants showed exhibited more innovative behavior than the men. However, there was no significant difference in the loneliness status of participants by gender. A group of 23-year-old individuals showed a significant difference in the risk taking dimension compared to other age groups. First-grade students had more points in the experimental openness and opinion leadership sub-dimension than the other classes. It was observed that the behavior is molded as the education level increases. The regression models showed that loneliness has a negative effect of -0.254 on experiential openness and the leadership of ideas, and has a negative effect of -0.216 on risk taking. There was no effect of the sub-dimensions of loneliness on change resistance. Moreover, on the individualistic behavior of physical loneliness, a -0.267 negative effect was observed. Emotional loneliness has no effect on the sub-dimensions of individual innovation. Finally, the total sense of loneliness was found to have a negative effect on total individual innovation. CONCLUSIONS The study results clearly show that physical loneliness has a negative effect on individual innovation. It can be said that individuals living in social environments exhibit more innovative behaviors. However, emotional loneliness has no significant effect on innovative behavior. In this context, designing social spaces in health institutions will stimulate individuals' innovative behaviors.
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Affiliation(s)
- Fadime Çinar
- Health Management, Faculty of Health Sciences, Sabahattin Zaim University, Istanbul 34303, Turkey
| | - Kerem Toker
- Health Management, Faculty of Health Sciences, Bezmiâlem Vakif University, Istanbul 34050, Turkey
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Baykara Z, Özocak H, Kuş A, Arslan Z, Yüksel B, Aksu C, Ertagin M, Solak M, Toker K. Are APACHE II scores better predictors of mortality than routine laboratory values? Crit Care 2013. [PMCID: PMC3643144 DOI: 10.1186/cc12411] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Arslan ZI, Özdamar D, Yildiz TS, Solak ZM, Toker K. Tracheal intubation in morbidly obese patients: a comparison of the Intubating Laryngeal Mask Airway™ and Laryngeal Mask Airway CTrach™. Anaesthesia 2012; 67:261-5. [PMID: 22321082 DOI: 10.1111/j.1365-2044.2011.06991.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
The aim of this study was to evaluate the efficacy of the Intubating Laryngeal Mask Airway™ (ILMA) and Laryngeal Mask Airway CTrach™ (LMA CTrach) in facilitating tracheal intubation in morbidly obese patients. Eighty patients (body mass index >40 kg x m(-2)) were randomly allocated to the ILMA or the LMA CTrach. The median (IQR [range]) total time taken for tracheal intubation was shorter with the ILMA than with the LMA CTrach (78 (63-105 [40-265]) s vs 128 (98-221 [60-423]) s, respectively; p<0.001). Significantly more manoeuvres were applied for the satisfactory ventilation and viewing of the glottis with the LMA CTrach (25% vs 55% with the ILMA; p=0.006). During the postoperative period, there was more sore throat with the LMA CTrach (p<0.02). We conclude that the ILMA results in shorter intubation times with fewer manoeuvres and sore throat compared with the LMA CTrach in the morbidly obese.
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Affiliation(s)
- Z I Arslan
- Department of Anaesthesiology, Medical Faculty, University of Kocaeli, Kocaeli, Turkey.
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Abstract
In this prospective, placebo-controlled study, we evaluated the effect of prophylactic ondansetron therapy on emergence agitation of children who underwent minor surgery below the umbilicus. Seventy children aged one to six years and American Society of Anesthesiologists physical status I were studied. Children were premedicated with midazolam rectally and were randomly assigned to receive either ondansetron (Group O) or placebo (Group P) in combination with caudal anaesthesia. Children in Group O received intravenous ondansetron (0.1 mg/kg for children weighing <40 kg, 4 mg for children weighing >40 kg) and Group P (n=35) received normal saline 2 ml following anaesthesia induction with sevoflurane. Airway management was provided with LMA-Proseal without muscle relaxation and anaesthesia maintenance was provided with a 60:40 N2O:O2 mixture and sevoflurane. Emergence agitation was evaluated with a ten point scale and pain level was assessed every 10 minutes for the first 30 minutes after admission to the recovery room. There were no significant differences between the placebo and ondansetron groups with respect to demographic, anaesthetic and surgical details. Incidences of emergence agitation in ondansetron and placebo groups were similar (32.4% and 30.3% at 10 minutes respectively). Mean modified Children's Hospital of Eastern Ontario pain scale scores and mean ten-point scale scores and emergence agitation incidences decreased similarly after 10 minutes in both groups. Ready time for discharge was similar between the groups. Agitated patients had significantly increased ready time for discharge compared to non-agitated patients (P=0.001). Prophylactic intravenous ondansetron administration does not reduce emergence agitation comparing to placebo after sevoflurane anaesthesia.
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Affiliation(s)
- T. Hoşten
- Department of Anesthesiology and Reanimation, Kocaeli University Medical School, Kocaeli, Turkey
| | - M. Solak
- Department of Anesthesiology and Reanimation, Kocaeli University Medical School, Kocaeli, Turkey
| | - L. Elemen
- Department of Anesthesiology and Reanimation, Kocaeli University Medical School, Kocaeli, Turkey
- Department of Pediatric Surgery, Kocaeli University Medical School
| | - M. Ozgun
- Department of Anesthesiology and Reanimation, Kocaeli University Medical School, Kocaeli, Turkey
| | - K. Toker
- Department of Anesthesiology and Reanimation, Kocaeli University Medical School, Kocaeli, Turkey
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Ozdamar D, Güvenç BH, Toker K, Solak M, Ekingen G. Comparison of the effect of LMA and ETT on ventilation and intragastric pressure in pediatric laparoscopic procedures. Minerva Anestesiol 2010; 76:592-599. [PMID: 20661199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
BACKGROUND The aim of our study was to compare classic laryngeal mask airway (LMA-C) with the endotracheal tube (ETT) in pediatric laparoscopic surgery to evaluate the intragastric pressures (IGP) using intragastric pressure monitoring. We also sought to investigate the related influence on respiratory parameters. METHODS The Ethics Committee of the Health Institution approved the study protocol. A total of 40 patients, ASA I-II, three and a half months to 12 years old were included in this randomized study. Two study groups were formed: the ETT group and the LMA-C group. A nasogastric tube was inserted following induction to evacuate any intragastric gas and fluid before application of either LMA-C or ETT. The change in IGP was measured with a transducer, which was attached to the nasogastric tube. IGP, peak airway pressures (PAP), SPO2 and ETCO2 were recorded. Repeated ANOVA measures were used to evaluate the change in IGP, PAP, SPO2 and ETCO2 times in both groups. RESULTS The change in IGP was not significant among the groups except at 15 and 30 minutes (P<0.05). The changes in PAP, SPO2, and ETCO2 levels were not significant. CONCLUSION The perioperative intragastric pressure evaluation failed to show any significant change in intragastric pressures and ventilation parameters due to the application of LMA-C in this study. We advocate LMA-C application as a feasible anesthetic device in pediatric laparoscopic surgery.
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Affiliation(s)
- D Ozdamar
- Department of Anesthesiology and Reanimation, Kocaeli University School of Medicine, Kocaeli, Turkey.
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Abstract
BACKGROUND The objective of the study was to evaluate the influence of ultrasound (US) guidance alone vs. neurostimulation (NS) and US (NSUS) guidance techniques on block performance time and block success rate for the lateral sagittal infraclavicular block (LSIB). METHODS In a randomized and prospective manner, 110 adult patients scheduled for distal upper limb surgery were allocated to the US or the NSUS groups. In the US group, a local anesthetic (LA) was administered only with US guidance to produce a 'U'-shaped distribution around the axillary artery. In the NSUS group, LA was administered under US guidance only after electrolocation of one of the median, ulnar or radial nerve-type responses. A total of 30 ml of LA (10 ml of levobupivacaine 5 mg/ml and 20 ml of lidocaine 20 mg/ml) was administered in both groups. Sensory block was tested at 10 min intervals for 30 min. Successful block was defined as analgesia or anesthesia of all five nerves distal to the elbow. RESULTS Block success rate was 94.5% in both groups. Block performance time was significantly shorter in the US than the NSUS group (157 +/- 50 vs. 230 +/- 104 s) (P=0.000). Block onset time was similar in both groups (12.5 +/- 4.8 in the US vs. 12.8 +/- 5.4 min in the NSUS groups). There were two arterial punctures in the NSUS group. CONCLUSIONS During LSIB performance US guidance alone produces block success rate identical to both US and NS guidance yet with a shorter block performance time.
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Affiliation(s)
- Y Gürkan
- Department of Anesthesiology, Kocaeli University Hospital, Kocaeli, Turkey.
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Abstract
BACKGROUND The objective of this study was to evaluate the influence of single vs. dual control during an ultrasound-guided lateral sagittal infraclavicular block on the efficacy of sensory block and the time of block onset. METHODS In a prospective manner, 60 adult patients scheduled for distal upper limb surgery were randomly allocated to single (Group S) or double stimulation (Group D) groups. A local anesthetic (LA) mixture of 20 ml of levobupivacaine 5 mg/ml and 20 ml of lidocaine 20 mg/ml with 5 microg/ml epinephrine (total 40 ml) was administered in both groups. In the Group S following a median, an ulnar or a radial nerve response, the entire LA was administered at a single site. In Group D 10 ml of LA was administered following the electrolocation of the musculocutaneous nerve and 30 ml LA was injected following median, ulnar or radial nerves. A successful block was defined as analgesia or anesthesia of all five nerves distal to the elbow. Sensory and motor blocks were tested at 5-min intervals for 30 min. RESULTS The block was successful in 27 patients in Group S and 28 patients in Group D. The time from starting the block until satisfactory anesthesia was significantly shorter in Group D than in Group S (19.3 vs. 23.2 min) (P<0.05). Total sensory scores were significantly higher in the double stimulation group at 20 and 30 min after the block performance (P<0.05). CONCLUSIONS Although the block performance time was longer in the double stimulation group, block onset time and extent of anesthesia were more favorable in the double stimulation group.
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Affiliation(s)
- E Akyildiz
- School of Medicine, Kocaeli University, Kocaeli, Turkey
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Arslan ZI, Yildiz T, Baykara ZN, Solak M, Toker K. Tracheal intubation in patients with rigid collar immobilisation of the cervical spine: a comparison of Airtraq®and LMA CTrach™ devices*. Anaesthesia 2009; 64:1332-6. [DOI: 10.1111/j.1365-2044.2009.06053.x] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Abstract
BACKGROUND AND OBJECTIVE The LMA-Supreme() (S-LMA()) is a new supraglottic airway device that presents combined features of flexibility, curved structure and single use and a different cuff structure. The purpose of this study was to compare the oropharyngeal leak pressures (OLP) of LMA-Proseal() (P-LMA()) and S-LMA(). METHODS Sixty adult patients were prospectively and randomly allocated to undergo insertion of P-LMA() (n=30) or S-LMA() (n=30). The cuffs were inflated until the intracuff pressure (ICP) reached 60 cm H(2)O. Orogastric leak pressures, insertion times, first attempt success rates, fiberoptical assessment of position, cuff pressures, orogastric tube (OGT) placement and OGT insertion times were compared. Unblinded observers collected intraoperative data and blinded observers collected post-operative data. RESULTS The first insertion attempts and time taken to provide an effective airway were similar between the groups. Two patients (P-LMA(), n=1; S-LMA(), n=1) were intubated due to excessive oropharyngeal leak and in one patient (P-LMA(), n=1) due to failed OGT placement. OLPs were similar (P-LMA(); 26.9+/-6.6 S-LMA(); 26.1+/-5.2). ICP increased significantly in the P-LMA() at the 30 and 60 min during anesthesia (P-LMA(); 80.1+/-12.8, 92.9+/-14.4, S-LMA(); 68.3+/-10.9, 73.7+/-15.6). OGT placement was successful in all patients in the S-LMA(), but failed in five patients in the P-LMA() (P=0.02). Fiberoptically determined anatomic position was better with the P-LMA() (P=0.03). CONCLUSION Our findings suggest that S-LMA() had leak pressures similar to the P-LMA(), and this new airway device proved to be successful during both spontaneous and positive pressure ventilation.
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Affiliation(s)
- T Hosten
- Medical Faculty, Kocaeli University, Kocaeli, Turkey.
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Yildiz ST, Ozdamar D, Bagus F, Solak M, Toker K. 612. Levobupivacaine-Tramadol Combination for Caudal Block in Children. Reg Anesth Pain Med 2008. [DOI: 10.1136/rapm-00115550-200809001-00437] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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Abstract
BACKGROUND A nerve stimulation-guided lateral sagittal infraclavicular block (LSIB) has been proven to be an effective block. The purpose of this study was to evaluate whether the use of ultrasound (US) guidance would further improve the block quality of LSIB. METHODS In a prospective manner, 80 adult patients scheduled for hand, wrist and forearm surgery were randomly allocated to US or nerve stimulation (NS) groups. A needle was inserted into a sagittal plane, 20 degrees dorsally, until muscle twitches were observed in synchrony with the stimulation. In the US group, the block was performed using the same puncture site but under ultrasonic guidance. The final position of the needle was verified with the use of a nerve stimulator. A local anesthetic mixture of 20 ml of levobupivacaine, 5 mg/ml and 20 ml of lidocaine and 20 mg/ml with 5 microg/ml epinephrine (total 40 ml) was administered in both groups. RESULTS The block was successful in 37 patients in the NS group and 38 patients in the US group. Block efficacy was better in the US group than the group NS in radial nerve distribution at 20 min (P<0.05). In the US group, there was a slight tendency toward better block density in other nerve areas also but these differences were not significant. Vascular puncture was noted in three patients in the NS group and none in the US group. CONCLUSIONS The block success rate was high and comparable in both groups. There was a trend toward improved block quality in the US group, although not significant.
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Affiliation(s)
- Y Gürkan
- Kocaeli University Hospital, Kocaeli, Turkey.
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Abstract
BACKGROUND The purpose of this study was to evaluate the clinical utility and block success rate of 'lateral sagittal infraclavicular block (LSIB)' in a large-scale clinical study. METHODS Adult patients scheduled for hand, wrist and forearm surgery between March 2005 and June 2007 were prospectively included into the study. Using a nerve stimulator LSIB was performed. In the LSIB technique the puncture site is immediately adjacent to the most medial point of the coracoid process and the anterior surface of the clavicula. The needle is inserted caudally in a sagittal plane, 20 degrees dorsally (downwards), until muscle twitches are observed in synchrony with the stimulation. A Local anesthetic mixture of either 20 ml bupivacaine 5 mg/ml or 20 ml of levobupivacaine 5 mg/ml and 20 ml of lidocaine 20 mg/ml with 5 microg/ml epinephrine (total volume 40 ml) was administered following electrolocation of the median, radial or ulnar nerve. RESULTS Three-hundred and eighty patients were included into the study. Block was successful in 341 (89.7%) patients without any need for local anesthetic supplementation. We had complete failure in 17 (4.5%) patients and these patients received general anesthesia. Twenty-two (5.8%) patients needed either infiltration of local anesthetic at the site of skin incision or supplementation of the block at the axilla. No other complications other than vascular punctures - 25 patients (6.6%) - were observed. CONCLUSIONS LSIB provided a clinically acceptable success rate and our results are in agreement with other studies assessing this approach.
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Affiliation(s)
- Y Gürkan
- Kocaeli University Hospital, Kocaeli, Turkey.
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Yildiz TS, Korkmaz F, Solak M, Toker K, Erciyes N, Bayrak F, Ganidagli S, Tekin M, Kizilkaya M, Karsli B, Turan A, Ozcan U. Prediction of difficult tracheal intubation in Turkish patients: a multi-center methodological study. Eur J Anaesthesiol 2007; 24:1034-40. [PMID: 17555609 DOI: 10.1017/s026502150700052x] [Citation(s) in RCA: 32] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
BACKGROUND AND OBJECTIVE Preoperative evaluation is important in the detection of patients at risk for difficult airway management. It is still unclear whether true prediction is possible and which variables should be chosen for evaluation. The aim of this prospective, multi-centre study was to investigate the incidence of difficult intubation, the sensitivity and positive predictive values of clinical screening tests and whether combining two or more of these tests will improve the prediction of difficult intubation in Turkish patients. METHODS Seven study sites from six regions in Turkey participated in this study. One thousand six hundred and seventy-four ASA physical status I-III patients, scheduled to undergo elective surgery under general anaesthesia, were included. RESULTS The incidence of difficult intubation was 4.8% and increased with age (P < 0.05). The incidence of difficult intubation was significantly higher in patients who had a Mallampati III or IV score, a decreased average thyromental and sternomental distance, decreased mouth opening, or decreased protrusion of the mandible (P < 0.05). Mouth opening and Mallampati III-IV were found to be the most sensitive criteria when used alone (43% and 35%, respectively). Combination of tests did not improve these results. CONCLUSIONS There is still no individual test or a combination of tests that predict difficult intubations accurately. Tests with higher specificity despite low positive predictive value are needed.
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Affiliation(s)
- T S Yildiz
- University of Kocaeli, School of Medicine, Department of Anaesthesiology, Kocaeli, Turkey.
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Abstract
BACKGROUND AND OBJECTIVE The laryngeal mask has become a widely accepted alternative to endotracheal intubation and mask ventilation. The laryngeal tube is a relatively new supraglottic airway device for airway management. We compared the new version of the laryngeal tube with the laryngeal mask. METHODS In a randomized design, either a laryngeal tube (n = 66) or a laryngeal mask (n = 66) were inserted. Ease of insertion, oxygenation and ventilation, spirometry data and postoperative airway morbidity were determined. RESULTS After successful insertion, it was possible to maintain oxygenation and ventilation in all the patients. Insertion success rates after the first, second and third attempts were 84.8% (n = 56), 12.1% (n = 8) and 3% (n = 2) for the laryngeal tube compared with 56.1% (n = 37), 25.8% (n = 17) and 18.2% (n = 12) for the laryngeal mask (P = 0.001). There was no significant difference in peak airway pressure, and dynamic compliance between the groups (P > 0.05). Blood on the cuff after removal of the device was noted in one patient with the laryngeal tube and in 10 patients with the laryngeal mask. Six patients in the laryngeal mask group complained of hoarseness (P = 0.012). CONCLUSION With respect to clinical function, the new version of the laryngeal tube and the laryngeal mask are similar and either device can be used to establish a safe and effective airway in paralysed patients.
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Affiliation(s)
- T S Yildiz
- University of Kocaeli, School of Medicine, Department of Anaesthesiology, Kocaeli, Turkey.
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Abstract
BACKGROUND In this study, using a dose-ranging design, we examined the effects of clonidine with 0.125% bupivacaine on the duration of post-operative analgesia in caudal anaesthesia in children. METHODS We conducted a controlled, prospective study of clonidine in caudal anaesthesia in 60 children, aged 1-10 years, undergoing elective inguinal hernia repair. Induction and maintenance of anaesthesia were performed by inhalation of sevoflurane and nitrous oxide. The children were randomized in a double-blind fashion to four groups, and were given a caudal anaesthetic with either 0.125% plain isobaric bupivacaine (1 ml/kg) or bupivacaine plus 1, 1.5 or 2 microg/kg of clonidine. The blood pressure and heart rate were recorded peri-operatively. Analgesia was evaluated by the modified Children's Hospital of Eastern Ontario Pain Scale (mCHEOPS) or a visual analogue scale (VAS). Paracetamol was given when the mCHEOPS score was greater than five or when the VAS score was greater than 30 mm. The monitoring of scores for pain, haemodynamic changes and post-operative nausea and vomiting was performed by nurses blind to the study allocation. RESULTS The duration of analgesia was found to be significantly longer in the group given bupivacaine plus 2 microg/kg of clonidine (median, 650 min; range, 300-900 min). Peri-operative hypotension and bradycardia, post-operative respiratory depression and motor block were not recorded in any patient. CONCLUSIONS The addition of clonidine to 0.125% bupivacaine prolongs the duration of post-operative analgesia without any respiratory or haemodynamic side-effects.
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Affiliation(s)
- T S Yildiz
- Department of Anaesthesiology, School of Medicine, University of Kocaeli, Kocaeli, Turkey.
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Yildiz T, Gündeş S, Willke A, Solak M, Toker K. Spontaneous, nontraumatic gas gangrene due to Clostridium perfringens. Int J Infect Dis 2005; 10:83-5. [PMID: 16310394 DOI: 10.1016/j.ijid.2005.02.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2004] [Revised: 02/11/2005] [Accepted: 02/22/2005] [Indexed: 11/29/2022] Open
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Abstract
BACKGROUND AND OBJECTIVE The purpose of the study was to compare the effects of adding 50 microg of morphine, 25 microg of fentanyl or saline to 6 mg of hyperbaric bupivacaine on postoperative analgesia and time to urination in patients undergoing arthroscopic knee surgery under spinal anesthesia. METHODS The study was designed in a prospective, randomized, double-blinded and placebo-controlled manner. Sixty ASA I-II patients were randomized into the following three groups: Group BM: 6 mg of bupivacaine and 50 microg of morphine, Group BF: 6 mg of bupivacaine and 25 microg of fentanyl, and Group BS: 6 mg of bupivacaine and saline. Selective spinal anesthesia was performed in a lateral decubitus position, with the operative knee dependent for 10 min. RESULTS In all groups satisfactory anesthesia was provided during the operation. There was a statistically significant difference between all the groups in times to voiding [Group BM 422 +/- 161 min; Group BF 244 +/- 163 min; Group BS 183 +/- 54 min (mean +/- SD)]. The incidence of pruritus was significantly greater in Group BM (80%) and BF (65%) in comparison with Group BS (no pruritus) (P < 0.05). The incidence of nausea was significantly increased in Group BM (35%) in comparison with Group BF (10%) and Group BS (P < 0.05). Analgesic consumption was significantly greater in Group BS in comparison with Groups BM and BF (P < 0.01). CONCLUSIONS We conclude that during spinal anesthesia even mini-dose intrathecal morphine is not acceptable for outpatient surgery due to side-effects, especially severely prolonged time to urination.
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Affiliation(s)
- Y Gürkan
- Department of Anesthesiology and Reanimation, Kocaeli University School of Medicine, Kocaeli, Turkey.
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Abstract
BACKGROUND Carbon monoxide (CO) poisoning is associated with direct cardiovascular toxicity. QT dispersion (QTd) of the ECG is an indirect measure of heterogeneity of ventricular repolarization, which may contribute to ventricular arrhythmias. Our aim was to study QTd in patients with acute CO poisoning. METHODS CO intoxication was confirmed by arterial blood gas analysis. A control group consisted of age- and sex-matched individuals admitted to the hospital for unrelated clinical conditions. 12-lead ECG's were recorded on admission and repeated 1 week after discharge from the hospital. QT dispersion was defined as the difference between the greatest and the least QT intervals in any of the 12 leads. RESULTS Seventeen intoxicated patients, aged 5-46 years, had mean carboxyhemoglobin levels of 22.5 +/- 11.1%. On admission, corrected QT intervals of the intoxicated patients were significantly increased compared to the control group (431 +/- 18 ms vs. 404 +/- 28 ms, P = 0.008), but not the QT interval (358 +/- 25 ms vs. 345 +/- 20 ms, P = 0.17). Mean QTd and cQTd values (46 +/- 15 ms and 62 +/- 13 ms) of the intoxicated patients were significantly increased compared to the control group (17 +/- 4 ms and 33 +/- 15 ms, P < 0.0001 for both). Both QTd and cQTd decreased significantly after discharge from the hospital (P = 0.0001). CONCLUSION Although QT dispersion increased in patients with CO poisoning, none of ECG's showed ventricular arrhythmia. Increased QTd in the absence of QT interval prolongation may have a lowered arrhythmogenic potential of CO poisoning.
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Affiliation(s)
- Y Gürkan
- Kocaeli University School of Medicine, Department of Anesthesiology and Reanimation, Kocaeli, Turkey.
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24
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Kiliçkan L, Toker K. The effect of preemptive intravenous morphine on postoperative analgesia and surgical stress response. Panminerva Med 2001; 43:171-5. [PMID: 11579330] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/21/2023]
Abstract
BACKGROUND Although initial studies of preemptive analgesia showed that preoperative blockade with local anaesthetics or preoperative administration of systemic opioids was more effective in reducing postoperative pain than control conditions involving no treatment, the result of subsequent investigations comparing the effects of preoperative treatment with the same treatment initiated after surgery have produced inconsistent RESULTS. The reasons for the lack of consistency are not clear. Studies about the relationship of preemptive analgesia and both analgesic consumption and surgical stress response are limited. The purpose of this study was to evaluate the effect of preemptive intravenous morphine on both postoperative analgesic consumption and surgical stress response. METHODS Sixty patients, ASA I or II, aged 20-60, undergoing total abdominal hysterectomy plus bilateral salpingo-oopherectomy and double-blinded were randomly assigned to three groups of 20 patients. Group I (n=20) received 0.15 mg/kg of morphine following induction and placebo saline during peritoneal closure. Group II (n=20) received placebo saline following induction and 0.15 mg/kg of morphine during peritoneal closure. Group III (n=20) received placebo saline both during induction and peritoneal closure. Blood cortisol, glucose levels and leukocyte count were measured in the pre and postoperative period. RESULTS Postoperative total morphine consumption was significantly lower in group I compared with group III (p<0.001). In all groups, plasma cortisol levels increased significantly within 4 hours of surgery as compared to pre-op values (p<0.001). Plasma glucose also increased to a significantly higher level in all groups in the postoperative 30 min and 8 hours than in the pre-op values (p<0.001). Postoperative leukocytosis was observed in all groups and the leukocyte count was significantly greater during postoperative 24 h than pre-op values (p<0.001). CONCLUSIONS Preemptive morphine 0.15 mg/kg intravenous has decreased total morphine consumption but has failed to suppress the surgical stress response.
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Affiliation(s)
- L Kiliçkan
- Department of Anaesthesiology and Resuscitation, Kocaeli University, Kocaeli, Turkey
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Abstract
PURPOSE The effects of midazolam-thiopental coinduction on recovery were investigated and compared with thiopental induction. METHODS Fifty patients, ASA 1 or 2, undergoing minor orthopedic surgery, were randomly divided into coinduction and thiopental groups. During preoxygenation, the patients received midazolam 0.1 mg.kg(-1) (coinduction group) or saline (thiopental group) 1 min before induction of anesthesia with thiopental. Isoflurane and nitrous oxide were used to maintain anesthesia. Isoflurane concentration was adjusted to keep blood pressure within +/-20% of the preoperative value. The time to awaken (open eyes, give name and birth-date) and the time to discharge readiness were recorded. Psychomotor tests, including simple light reaction time (SLRT), sedation analogue scale (SAS), and digit span test, were performed pre- and postoperatively. RESULTS The induction dose of thiopental was significantly lower in the coinduction group. End-tidal isoflurane concentration during surgery was also lower in the coinduction group. There were no significant differences in awakening times and discharge readiness between the two groups. Although SAS values were lower in the coinduction group than in the thiopental group 8 and 24 h after anesthesia, other test results were similar in both groups. The frequency of nausea and vomiting in the recovery period was lower in the coinduction group. CONCLUSION We conclude that midazolam-thiopental coinduction is a suitable technique when used in conjunction with isoflurane in day-case surgery.
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Affiliation(s)
- N Baykara
- Department of Anaesthesiology, University of Kocaeli, Tubitak loj. 4A, Gebze/Kocaeli, Turkey
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Gündeş H, Kiliçkan L, Gürkan Y, Sarlak A, Toker K. Short- and long-term effects of regional application of morphine and bupivacaine on the iliac crest donor site. Acta Orthop Belg 2000; 66:341-4. [PMID: 11103484] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
We investigated the analgesic effect of regional application of bupivacaine and a morphine-bupivacaine combination on iliac crest donor-site pain in a randomized, double-blind controlled study of 45 patients. Patients were divided into three groups: group I (control group), group II (bupivacaine) and group III (morphine-bupivacaine combination). Pain in the acute stage was evaluated by visual analogue scale scoring and analgesic consumption. Chronic pain and dysesthesia were evaluated at 12 weeks after operation at a follow-up visit. It was found that local bupivacaine administration with or without morphine provided satisfactory analgesia in the acute stage following iliac crest bone harvesting. The amount of analgesic consumption was found to be significantly less with the addition of morphine to bupivacaine, when compared to bupivacaine alone. Effective pain control in the acute stage had a favorable effect on long-term pain and dysesthesia, which are the main complaints after iliac crest bone harvesting. This effect was augmented significantly by addition of morphine to the local anesthetic solution.
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Affiliation(s)
- H Gündeş
- Department of Orthopedic Surgery and Trauma, Kocaeli University, School of Medicine, Turkey
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27
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Kiliçkan L, Toker K. The effects of preemptive intravenous versus preemptive epidural morphine on postoperative analgesia and surgical stress response after orthopaedic procedures. Minerva Anestesiol 2000; 66:649-55. [PMID: 11070965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
BACKGROUND The purpose of this study was to evaluate the effect of pre-emptive intravenous versus pre-emptive epidural morphine on both postoperative analgesic consumption and surgical stress response. METHODS Sixty patients, ASA I or II, aged 18-85, undergoing total hip or knee replacement were randomly assigned to three groups of 20 patients. In group pre-emptive epidural, patients were administered an epidural injection of 75 micrograms.kg-1 morphine about 45 minute before dermal incision. In group pre-emptive intravenous, patients were administered 0.15 mg.kg-1 of intravenous morphine following induction before dermal incision. In group control, patients were administered intravenous saline following induction before dermal incision. RESULTS The pre-i.v. group used significantly less morphine than the pre-epi group (p < 0.0003). In all groups, plasma cortisol levels increased as compared to pre-op values, but plasma cortisol increased more significantly in the pre-i.v. and control groups within 4 hrs of surgery and was still significantly elevated at 7 am of the first postoperative morning compared to the pre-epi group (p < 0.001) and the increase persisted to the next morning in patients pre-i.v. and control groups. CONCLUSIONS Although pre-emptive epidural morphine has failed to decrease postoperative analgesic consumption, it has been able to suppress the surgical stress more significantly than intravenous morphine and a saline control.
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MESH Headings
- Adolescent
- Adult
- Aged
- Analgesia, Epidural
- Analgesics, Opioid/administration & dosage
- Analgesics, Opioid/adverse effects
- Analgesics, Opioid/therapeutic use
- Arthroplasty, Replacement, Hip
- Arthroplasty, Replacement, Knee
- Female
- Humans
- Injections, Intravenous
- Male
- Middle Aged
- Morphine/administration & dosage
- Morphine/adverse effects
- Morphine/therapeutic use
- Orthopedic Procedures/adverse effects
- Pain, Postoperative/prevention & control
- Postoperative Nausea and Vomiting/epidemiology
- Stress, Physiological/etiology
- Stress, Physiological/physiopathology
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Affiliation(s)
- L Kiliçkan
- Department of Anaestesiology and Reanimation, Kocaeli University, Türkiye
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28
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Kiliçkan L, Baykara N, Toker K, Tekinalp H, Akbasş H, Alp M. Anesthetic management of heterotopic heart transplantation on beating heart. J Anesth 2000; 14:109-12. [PMID: 14564601 DOI: 10.1007/s005400050077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Affiliation(s)
- L Kiliçkan
- Department of Anesthesiology and Reanimation, Kocaeli University, Sopali Ciftliği, 41900, Kocaeli, Turkey
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Abstract
Vomiting is a common problem following strabismus surgery. We compared the effects of propofol-N2O and sevoflurane-N2O on the incidence of oculocardiac reflex and postoperative nausea and vomiting. Forty unpremedicated children, aged 3-15 years were randomly assigned to two groups of 20 patients. In group 1, anaesthesia was induced and maintained with propofol infusion (173 +/- 41 micrograms.kg-1.min-1). In group 2, anaesthesia was induced with N2O (66%) in O2 and incremental sevoflurane via face mask and maintained with sevoflurane. Both groups received 66% N2O in O2 throughout surgery. The overall incidence of vomiting and antiemetic requirement in the first 24 h was significantly higher in sevoflurane-N2O group than propofol-N2O group (P < 0.05). The propofol-N2O group had significantly more episodes of oculocardiac reflex than sevoflurane-N2O group (P < 0.05). Propofol-N2O anaesthesia results in a significantly lower incidence of postoperative vomiting, yet a significantly higher incidence of oculocardiac reflex.
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Affiliation(s)
- Y Gürkan
- Department of Anaesthesiology and Reanimation, Kocaeli University Hospital, Turkey
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30
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Gürkan Y, Kiliçkan L, Buluc L, Müezzinoglu S, Toker K. Effects of diclofenac and intra-articular morphine/bupivacaine on postarthroscopic pain control. Minerva Anestesiol 1999; 65:741-5. [PMID: 10598433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/14/2023]
Abstract
BACKGROUND This study was undertaken to compare analgesic effects and requirements for supplemental analgesic therapy after knee arthroscopy in patients given intraarticular morphine/bupivacaine, diclofenac i.m., or both compared with placebo. METHOD In a randomised, double-blind controlled trial 40 patients were divided into four groups. Patients received 25 ml of 0.25% bupivacaine and 2 mg of morphine intraarticularly in group I, 75 mg of diclofenac i.m. in group III, the combination of 75 mg of diclofenac i.m. and 25 ml of 0.25% bupivacaine and 2 mg of morphine intraarticularly in group II, and placebo in group IV. Postoperative analgesia was provided with fentanyl in the recovery room and acetaminophen was given for subsequent pain relief. RESULTS In the postoperative period, VAS scores for pain were highest in the placebo group, whereas they were lowest in the combination group. VAS scores were significantly lower in group I and II than group IV at the postoperative 2nd hour (p < 0.05). VAS score was significantly lower in group II than groups III and IV at the postoperative 3rd hour (p < 0.01). VAS scores were significantly lower in group I, II and III than group IV at the postoperative 6th hour (p < 0.05). Fentanyl consumption was significantly lower in group II than group IV (p < 0.05). Acetaminophen consumption in groups II and III were significantly lower than group IV (p < 0.05). CONCLUSION The combination of diclofenac i.m. and intraarticular morphine/bupivacaine appears to be the most beneficial analgesic combination due to its lower VAS scores and supplemental analgesic requirements in the postoperative period.
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Affiliation(s)
- Y Gürkan
- Department of Anaesthesiology and Reanimation, Kocaeli University Hospital, Turkey
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Kiliçkan L, Baykara N, Gürkan Y, Toker K. The effect on intraocular pressure of endotracheal intubation or laryngeal mask use during TIVA without the use of muscle relaxants. Acta Anaesthesiol Scand 1999; 43:343-6. [PMID: 10081543 DOI: 10.1034/j.1399-6576.1999.430317.x] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
BACKGROUND Depolarizing and non-depolarizing muscle relaxants possess many untoward side effects. In most patients endotracheal intubation may be performed with a propofol and alfentanil combination. The purpose of this study was to compare the effect on intraocular pressure (IOP) and haemodynamics of endotracheal (ET) intubation or laryngeal mask (LMA) insertion during total intravenous anaesthesia (TIVA) without the use of muscle relaxants. METHODS In a randomised study, 20 patients scheduled for elective orthopaedic surgery were assigned to two groups of 10 patients. Anaesthesia was induced with i.v. alfentanil 40 micrograms/kg and propofol 2.5 mg/kg. LMA insertion or ET intubation was achieved by the same anaesthesiologist. Airway score, insertion score, patient response and haemodynamics were recorded. IOP measurements were recorded before and after induction, 1 and 2 min after ET intubation or LMA insertion, and 1 and 2 min after extubation. RESULTS Mean arterial pressure and heart rate after insertion of the airway management devices was significantly higher than induction values in the ET group (P < 0.05), while during 2-3 min no significant changes were observed in LMA group. In all patients following propofol and alfentanil induction, IOP was significantly lower than preinduction values (P < 0.001). IOP following extubation was significantly higher than preinduction values in the ET group, but not in the LMA group (P < 0.001). CONCLUSION During TIVA without the use of muscle relaxants neither LMA insertion nor ET intubation increased the IOP, but ET extubation did.
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Affiliation(s)
- L Kiliçkan
- Department of Anaesthesiology and Reanimation, Kocaeli University, Turkey
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Esemenli BT, Toker K, Lawrence R. Hypotension associated with methylmethacrylate in partial hip arthroplasties. The role of femoral canal size. Orthop Rev 1991; 20:619-23. [PMID: 1945508] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The relationship between a decrease in systolic blood pressure following methylmethacrylate cement insertion in femoral head replacement and femoral canal diameter was investigated in 33 patients. A positive, significant correlation was demonstrated in all patients, especially among the female subgroup. Femoral canal diameters of 21 mm or more were associated with a significantly greater risk of intraoperative hypotension than were diameters of 20 mm or less. This relationship between femoral canal diameter and hypotension appears to be primary and unrelated to the patient's sex or age. In clinical terms, the femoral canal diameter may be easily measured prior to arthroplasty, and a diameter of 21 mm or more indicates an increased risk of hypotension following insertion of cement into the femoral canal.
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Affiliation(s)
- B T Esemenli
- Department of Orthopaedics, Marmara University School of Medicine, Istanbul
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Gogus FY, Toker K, Baykan N. Hepatitis following use of two different fluorinated anesthetic agents. Isr J Med Sci 1991; 27:156-9. [PMID: 2016157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- F Y Gogus
- Department of Anesthesiology and Reanimation, Faculty of Medicine, Marmara University, Uskadar, Instanbul, Turkey
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Toker K, Ozer NK, Yalçin AS, Tüzüner S, Göğüs FY, Emerk K. Effect of chronic halothane exposure on lipid peroxidation, osmotic fragility and morphology of rat erythrocytes. J Appl Toxicol 1990; 10:407-9. [PMID: 2084179 DOI: 10.1002/jat.2550100605] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Effect of chronic halothane exposure on hepatic and erythrocyte lipid peroxidation and erythrocyte osmotic fragility and morphology were determined in rats exposed to 0.4% halothane, 8 h per day for 40 days. Hepatic lipid peroxidation was increased in the halothane-treated group compared to controls. Lipid peroxidation was not increased by halothane exposure in erythrocytes without hydrogen peroxide, but after peroxide supplementation lipid peroxidation increased more in the erythrocytes of halothane-exposed rats than in control rats. We have observed significant morphological changes in erythrocytes from halothane-treated rats. In addition, erythrocytes of halothane-treated rats were more fragile in saline solutions compared to those of controls. Our results suggest that chronic halothane exposure is not only hepatotoxic but also affects erythrocyte membrane structure and stability.
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Affiliation(s)
- K Toker
- Department of Anesthesiology and Reanimation, Faculty of Medicine, Marmara University, Istanbul, Turkey
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