Kamil Pembeci

Istanbul University, İstanbul, Istanbul, Turkey

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Publications (45)83.36 Total impact

  • [Show abstract] [Hide abstract]
    ABSTRACT: Objective: Transporting critically ill patients is very often associated with problems and complications. Previous reports studied incidence of complications with associated factors for different patients groups. The aim of our study is to investigate complications during an in-hospital transport of highly special group as postoperative cardiac surgical patients. Material and Methods: All patients undergoing elective open heart surgery between January-September 2013 were included in the study. The commencement of the patient transport was determined as transfer of the patients from inbuilt to portable ventilator and ventilator. The transport was terminated wheren patients were again attached to ventilator and monitor of ICU. Hemodynamic parameters (blood pressures, heart rate, oxygen saturation) were all noted with arterial gas analysis on admission into ICU. All complications during transport were also recorded. Results: During the study period 240 subjects, including 108 adults and 132 children were enrolled in the study. Most frequent complication was respiratory alkalosis due to hyperventilation (13,75%). Other problems were hypotension (2,5%), arterial decannulation (2,5%), difficult ventilation (1,66%), respiratory acidosis (0,82%), inadvertent removal of central venous catheter (0,4%). One patient had cardiac arrest and was successfully resuscitated. Conclusion: Postoperative cardiac surgery patients could be transported with minor complications. We think that reduced incidence of adverse events was related to short transport time as well as to experienced transport team.
    11/2013; 19(3):127-131. DOI:10.5222/GKDAD.2013.127
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    ABSTRACT: Arthroscopic rotator cuff surgery can result in severe postoperative pain. We compared a continuous subacromial infusion to a continuous interscalene block with levobupivacaine for patients undergoing arthroscopic rotator cuff surgery. Sixty patients were randomized to two groups: 1) interscalene block with 0.5% levobupivacaine (30 mL) followed by a postoperative subacromial infusion: 0.125% levobupivacaine 5 mL/h basal infusion, 5 mL bolus dose and a 20 min lockout time or; 2) interscalene block with 0.5% levobupivacaine (30 mL) followed by a postoperative interscalene infusion: 0.125% levobupivacaine 5 mL/h basal infusion, 5 mL bolus dose and a 20 min lockout time. Infusions were maintained for 48 hours. The VAS scores in the postanesthesia care unit and at 4 h were not different. The VAS scores at 8, 12, 24, 36 and 48 h were lower than 4 in both groups; but they were significantly lower in the interscalene group. Additional analgesic requirements were lower in the interscalene group (16.6% vs 53.3%, p<0.05). Patients' satisfaction was higher in the interscalene group (9.4±0.8 vs 8±1.2, p<0.01). One patient had a toxicity related to interscalene block but; there was no complication related to subacromial catheters. This study demonstrates that subacromial infusions, although provided good postoperative analgesia, are not as effective as interscalene infusions and additional analgesics should be prescribed when subacromial infusions are started. Subacromial infusions could be considered as an alternative in case of any contraindication to interscalene block.
    Agri: Agri (Algoloji) Dernegi'nin Yayin organidir = The journal of the Turkish Society of Algology 01/2011; 23(1):7-12. DOI:10.5505/agri.2011.97269
  • K. Koltka · M. Senturk · A. Atalar · S. Kucukay · K. Pembeci ·

    Regional Anesthesia and Pain Medicine 09/2008; 33(5). DOI:10.1097/00115550-200809001-00154 · 3.09 Impact Factor
  • Özkan Seyhan T · Eker A · Yavru A · Bezen O · Güneyli C · Pembeci K · Tuğrul M ·
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    ABSTRACT: The Efficacy of Ephedrine on the Prophylaxis of Spinal-induced Hypotension in Pregnant Patients Aim: The aim of this placebo controlled, randomized, double blind study was to evaluate the efficacy of 15 or 30 mg ephedrine, administered in 1000 mL crystalloid solution, for prevention of hypotension due to spinal anaesthesia for caesarean section. Materials and Methods: 63 pregnant patients in 38-40. gestational weeks undergoing caesarean section under spinal anaesthesia were enrolled in three randomized groups to the study. 1000 mL RL was applied to venous canula of all patients. 6 mL of saline (group RL) or 15 (group RL15) or 30 mg (group RL30) ephedrine diluted in the same volume of saline were added in the iv solution. No prehydration was given. Spinal anesthesia was induced using 20 µg fentanyl and 7-9 mg hyperbaric bupivacaine. Just after intrathecal injection iv solutions were started to infuse rapidly. Hypotension was defined as a decrease of systolic blood pressure of more than 20% lower from the baseline measurement. In case of hypotension, the rate of infusion was increased and if it continued in the following measurement iv 5 mg ephedrine bolus was injected. Results: The incidence of hypotension was significantly lower in group RL30 than in group RL (85.7 %, 62 % and 47.6 % in groups RL, RL15 and RL30 respectively; p=0.032). Number of hypotensive episodes was statistically significant lower in group RL30 than the other two groups (3.5±2.3, 2.1±2.3, 0.6±0.7 in groups RL, RL15 and RL30 respectively; p<0.001). Nausea and vomiting was less in group RL30 compared to RL (p=0.04). Conclusion: We conclude that prophylactic 30 mg ephedrine in 1000 mL Ringer's lactate given just after spinal anaesthesia although can not eliminate hypotension during caesarean section, but it decrease the incidence of hypotension, number of hypotensive episodes, and nausea-vomiting incidence.
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    ABSTRACT: The success rate of cardiopulmonary resuscitation (CPR) may differ from institution to institution, even within different sites in the same institution. A variety of factors may influence the outcome. In this study, we assessed the adequacy of CPR attempts guided by the current standards and aimed to define the factors influencing the outcome following in-hospital cardiac arrest. One hundred and thirty-four patients who required CPR were studied prospectively. Different variables for the CPR performance were recorded using forms designed for this study in the light of the guidelines. In these CPR forms various data including the demographics, history, monitoring, number, composition and experience of the anaesthesiologists, the site of CPR, time of day, the delay before onset of CPR, tracheal intubation, duration of arrest, initial rhythm in ECG monitored patients, management of CPR, drug administration and reversible causes of cardiac arrest were recorded. Our rates of immediate survival, survival at 24 h and survival to discharge 49.3%, 28.5% and 13.4%, respectively. The extent of monitoring prior to arrest, the attendance of one or more experienced anesthesiologists in the CPR team, CPR during office hours, CPR in ICU or operating room, early initiation of CPR and tracheal intubation prior to arrest were found as the factors increasing discharge survival. We conclude that early initiation of CPR with an experienced team in a well-equipped hospital sites increases the discharge survival rate following cardiac arrest.
    Resuscitation 03/2006; 68(2):221-9. DOI:10.1016/j.resuscitation.2005.07.003 · 4.17 Impact Factor
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    T O Seyhan · M Tugrul · M O Sungur · S Kayacan · L Telci · K Pembeci · K Akpir ·
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    ABSTRACT: In this double-blind, randomized, placebo-controlled study we compared the effects of three different dose regimens of magnesium on intraoperative propofol and atracurium requirements, and postoperative morphine consumption in patients undergoing gynaecological surgery. Eighty women were allocated to four equal groups. The control group received normal saline; magnesium groups received 40 mg kg(-1) of magnesium before induction of anaesthesia, followed by i.v. infusion of normal saline, magnesium 10 mg kg(-1) h(-1) or magnesium 20 mg kg(-1) h(-1) for the next 4 h. Propofol infusion was targeted to keep bispectral index values between 45 and 55. Postoperative analgesia was achieved using PCA with morphine. Magnesium groups required significantly less propofol [mean (sd) 121.5 (13.3), 102.2 (8.0) and 101.3 (9.7) microg kg(-1) min(-1) respectively] than the control group (140.7 (16.5) microg kg(-1) min(-1)). Atracurium use was significantly higher in the control group than magnesium groups [0.4 (0.06) vs 0.34 (0.06), 0.35 (0.04), 0.34 (0.06) mg kg(-1) h(-1) respectively]. Morphine consumption was significantly higher in control group than magnesium groups on the first postoperative day [0.88 (0.14) vs 0.73 (0.17), 0.59 (0.23), 0.53 (0.21) mg kg(-1) respectively]. The heart rate was lower in magnesium groups and 20 mg kg(-1) h(-1) infusion group demonstrated the lowest values. Magnesium 40 mg kg(-1) bolus followed by 10 mg kg(-1) h(-1) infusion leads to significant reductions in intraoperative propofol, atracurium and postoperative morphine consumption. Increasing magnesium dosage did not offer any advantages, but induced haemodynamic consequences.
    BJA British Journal of Anaesthesia 03/2006; 96(2):247-52. DOI:10.1093/bja/aei291 · 4.85 Impact Factor
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    ABSTRACT: In this prospective, randomized study we compared the recovery profiles of bispectral index (BIS)-guided anesthesia regimens with desflurane or propofol in ambulatory arthroscopy. Fifty ASA I-II adult patients who underwent knee arthroscopy were randomized to receive desflurane (D) or propofol (P) infusion accompanied by remifentanil and nitrous oxide during maintenance, titrated to maintain a bispectral index value between 50 and 60. Initial awakening, fast-track eligibility, and home readiness as well as intraoperative hemodynamics, were compared. The groups did not differ with respect to demographics, duration of operation, or intraoperative vital signs. Although the times for initial awakening parameters were shorter in group D, the differences between the groups were not significant. The time needed for the White fast-track score to reach 12 was shorter in group P than group D (9 +/- 3.5 min vs 12.5 +/- 5.3 min). However, home readiness did not differ significantly between the groups. Desflurane is an alternative to propofol for BIS-guided ambulatory anesthesia. Using desflurane in combination with opioid analgesics blunted its rapid emergence characteristics, and the higher frequency of emetic symptoms with desflurane diminished the success of its fast-track eligibility.
    Journal of Anesthesia 02/2006; 20(2):149-52. DOI:10.1007/s00540-005-0376-3 · 1.18 Impact Factor
  • E. Camci · Z. Sungur · A. Suzer · M. Tugrul · K. Pembeci ·

    European Journal of Anaesthesiology 01/2006; 23. DOI:10.1097/00003643-200605001-00124 · 2.94 Impact Factor
  • M. Karadeniz · S. Kayacan · M. Senturk · T. Ozkan · K. Pembeci ·

    Regional Anesthesia and Pain Medicine 09/2005; 30(5):82-82. DOI:10.1016/j.rapm.2005.07.076 · 3.09 Impact Factor
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    ABSTRACT: The purpose of this study was to investigate the effects of PEEP on oxygenation and airway pressures during PCV-OLV. Randomized, crossover, clinical study. University hospital. Twenty-five patients undergoing thoracotomy. During the first 5 minutes of OLV, all patients were ventilated with VCV (PEEP: 0) (VCV-ZEEP). Afterward, ventilation was changed to PCV with PEEP: 0 (PCV-ZEEP) or PEEP: 4 cmH2O (PCV-PEEP) for 20 minutes. In the following 20 minutes, PCV-PEEP and PCV-ZEEP were applied in reverse sequence. At the end of VCV-ZEEP airway pressures (peak airway pressure, plateau airway pressure, mean airway pressure, and pause airway pressure) were recorded. At the end of PCV-PEEP and PCV-ZEEP airway pressures, PaO2 and Qs/Qt were recorded. Ppeak and Pplat were significantly lower with PCV-PEEP compared with VCV-ZEEP (eg, Ppeak: 33.4+/-4.2, 28.3+/-4.1, and 28.9+/-3.7 cmH2O in VCV-ZEEP, PCV-ZEEP, and PCV-PEEP, respectively; p<0.05 for PCV-ZEEP v VCV-ZEEP and PCV-PEEP v VCV-ZEEP). PCV-PEEP was associated with an increased PaO2 (230.3+/-69.8 v 189.0+/-54.8 mmHg, p<0.05) and decreased Qs/Qt (33.4%+/-7.3% v 38.4%+/-5.7%, p<0.05) compared with PCV-ZEEP (mean+/-SD). Eighty-eight percent of the patients have benefited from PEEP. During OLV, PCV with a low level of PEEP leads to improved oxygenation with lower airway pressures.
    Journal of Cardiothoracic and Vascular Anesthesia 03/2005; 19(1):71-5. DOI:10.1053/j.jvca.2004.11.013 · 1.46 Impact Factor
  • M Tugrul · E Camci · Z Sungur · K Pembeci ·

    Journal of Cardiothoracic and Vascular Anesthesia 02/2005; 19(1):133-134. DOI:10.1053/j.jvca.2004.11.031 · 1.46 Impact Factor
  • Mehmet Tugrul · Emre Camci · Kamil Pembeci · Ayman Al-Darsani · Lütfi Telci ·
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    ABSTRACT: To investigate the relationship between peripheral and central venous pressures in different patient positions (supine, prone, lithotomy, Trendelenburg, and Fowler), different catheter diameters (18 G and 20 G), and catheterization sites (dorsal hand and forearm) during surgical procedures. Prospective clinical study. University hospital. Five hundred adult patients. Peripheral over-the-needle intravenous catheters were placed in the dorsal hand or forearm. Central venous catheters were inserted via the internal jugular or subclavian vein after induction of anesthesia. MEASUREMENTS and Simultaneous measurements of central and peripheral venous pressures were made during stable conditions at random time points in surgery; 1953 paired measurements were performed. Mean central venous pressure was 11 +/- 3.7 mmHg and peripheral venous pressure was 13 +/- 4 mmHg (p = 0.0001). The overall correlation between central venous and peripheral venous pressures was found to be statistically significant (r = 0.89, r(2) = 0.8, p = 0.0001). Mean difference between peripheral and central venous pressure was 2 +/- 1.8 mmHg. Ninety-five percent limits of agreement were 5.6 to -1.6 mmHg. It has been assumed that replacing central venous pressure by peripheral venous pressure would cause problems in clinical interpretation. If the validity of this data is confirmed by further studies, the authors suggest that central venous pressure could be estimated by using regression equations to compare the 2 methods.
    Journal of Cardiothoracic and Vascular Anesthesia 09/2004; 18(4):446-50. DOI:10.1053/j.jvca.2004.05.022 · 1.46 Impact Factor
  • M. Şentürk · M. Layer · K. Pembeci · A. Toker · K. Akpir · K. Wiedemann ·

    ains · Anästhesiologie · Intensivmedizin 06/2004; 39(6):360-364. DOI:10.1055/s-2004-814506 · 0.44 Impact Factor
  • M Sentürk · M Layer · K Pembeci · A Toker · K Akpir · K Wiedemann ·
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    ABSTRACT: In a prospective, randomised, double-blind study the effects of FiO (2) of 0,5 with CPAP and a FiO (2) of 1.0 without CPAP on oxygenation and pulmonary shunt during one-lung ventilation (OLV) were examined. In 20 patients undergoing thoracotomy (ASA II/III) two sequential ventilation methods were used during OLV: a) FiO (2) of 1.0 (OLV-100) and b) a FiO (2) of 0.5 in N (2)O combined with CPAP of 5 cm H (2)O to the non-ventilated lung (OLV-CPAP), whereby the sequence in 10 patients was OLV-CPAP followed by OLV-100; and the opposite in the remaining 10 patients. Operating conditions were graded by the surgeon. OLV-CPAP was associated with a better oxygenation and a lower shunt compared to OLV-100 (paO (2) : 198 +/- 40 mmHg vs 181 +/- 38 mmHg; p < 0.05 and Qs/Qt: 30 +/- 6 % vs. 34 +/- 8 %; p < 0.01, respectively). The different sequence of the ventilation methods did not cause significant differences in the results. The surgical conditions were not impaired by the CPAP of 5 cm H (2)O. The application of low FiO (2) with CPAP provided a better oxygenation and a lower pulmonary shunt during the OLV compared to high FiO (2) without CPAP.
    ains · Anästhesiologie · Intensivmedizin 06/2004; 39(6):360-4. · 0.44 Impact Factor
  • Mehmet Tugrul · Emre Camci · Zerrin Sungur · Kamil Pembeci ·
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    ABSTRACT: To investigate the relationship between end-tidal carbon dioxide levels and augmentation of pulmonary blood flow achieved by insertion of systemic-pulmonary shunts. Prospective clinical study. University hospital. Nineteen cyanotic children with tetralogy of Fallot. Modified Blalock-Taussig shunt operations were performed on the left side in 14 patients and on the right side in 5 patients. End-tidal carbon dioxide tension was recorded, and an arterial blood gas sample was obtained simultaneously after thoracotomy (T0) and after completion of systemic-pulmonary shunt (T1). End-tidal carbon dioxide tension was significantly higher ( p < 0.01), and arterial to end-tidal carbon dioxide tension difference was significantly lower (p < 0.01) at T1 when compared with T0. The increase in end-tidal carbon dioxide showed a statistically significant correlation with the response of arterial oxygen saturation (r = 0.61, p < 0.01). The fall in arterial to end-tidal carbon dioxide tension difference correlated inversely with the change of oxygen saturation (r = -0.81, p < 0.0001). It is concluded that end-tidal carbon dioxide tension alterations offer an alternative intraoperative tool to monitor pulmonary blood flow during modified Blalock-Taussig shunt procedures.
    Journal of Cardiothoracic and Vascular Anesthesia 04/2004; 18(2):152-5. DOI:10.1053/j.jvca.2004.01.019 · 1.46 Impact Factor
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    ABSTRACT: To compare the effects of thiopental and propofol during defibrillation threshold testing (DFT) on hemodynamics and recovery profile in patients requiring automatic internal cardioverter-defibrilator placement. Prospective clinical investigation. University hospital. Thirty-four adult patients. After administration of midazolam, 0.025 mg/kg, and fentanyl, 0.5 to 1 mug/kg, surgery was performed under topical infiltration with 1% lidocaine. In group I (GI) (n = 17), patients received thiopental by slow injection and patients in group II (GII) (n = 17) received propofol before induction of ventricular fibrillation (VF). Patients received 4.1 +/- 1.4 mg of midazolam, 114 +/- 34 mug of fentanyl, and 280 +/- 78 mg of thiopental in GI; and 4.6 +/- 1.7 mg of midazolam, 119 +/- 62 mug of fentanyl, and 147 +/- 40 mg of propofol in GII (p > 0.05). Hemodynamics did not show significant differences between the groups at any recording time. Average time needed to regain the pretest sedation level was 16.4 +/- 8.8 minutes in GI and 10.9 +/- 5.5 minutes in GII (p = 0.03). Time required to achieve a score of 10 using a modified Aldrete score was 26.4 +/- 9.3 minutes in GI and 17.4 +/- 4.9 in GII (p = 0.001). Seven patients in GII (41%) and 1 patient in GI (6%) became hypotensive after DFT (p = 0.04). Deepening the sedation level by slow injection of thiopental or propofol before DFT provided satisfactory conditions during brief episodes of VF. Delay in recovery of arterial pressure after DFT with propofol and delay in arousal and discharge of patients with thiopental are major disadvantages of the regimens.
    Journal of Cardiothoracic and Vascular Anesthesia 10/2003; 17(5):613-6. DOI:10.1016/S1053-0770(03)00205-2 · 1.46 Impact Factor
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    M Senturk · K Pembeci · F Menda · T Ozkan · B Gucyetmez · M Tugrul · E Camci · K Akpir ·
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    ABSTRACT: Interest in combining local and general anaesthesia has lead to studies investigating possible interactions. In a prospective, randomized, double-blind study, we tested whether local anaesthetics administered i.m. potentiate the hypnotic effect of propofol. Sixty patients (three groups, n=20) undergoing lower abdominal surgery with total i.v. propofol anaesthesia were investigated. Patients in Group B received i.m. bupivacaine (5 mg ml(-1)) 1 mg kg(-1), patients in Group L received i.m. lidocaine (100 mg ml(-1)) 2 mg kg(-1) and patients in Group C received i.m. saline 5 ml before operation. Hypnosis was measured with bispectral index (BIS). The induction (BIS <45), and the maintenance doses of propofol (BIS between 40 and 50) were significantly less in Group B and Group L compared with the control group. Induction doses were 1.58 (SD 0.39), 1.56 (0.24) and 2.03 (0.33) mg kg(-1) respectively; P<0.0001. Maintenance doses were 6.33 (2.06), 7.08 (1.23) and 9.95 (2.02) mg kg(-1) respectively in the first hour; P<0.0001. Groups B and L were associated with an attenuated haemodynamic response to both induction and intubation. I.M. administered local anaesthetics are associated with a decrease in both the induction and maintenance doses of propofol during total i.v. anaesthesia and a reduction in haemodynamic responses.
    BJA British Journal of Anaesthesia 01/2003; 89(6):849-52. DOI:10.1093/bja/aef287 · 4.85 Impact Factor
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    ABSTRACT: Arthroscopic knee surgery is one of the most common surgeries done in outpatient settings; however, postoperative pain is believed to be the major barrier for discharge and early rehabilitation. In this study we evaluated and compared the efficacy of intraarticular application of long-lasting non-steroidal analgesic drug tenoxicam, a long-lasting local anaesthetic bupivacaine and combination of the two on postoperative pain after arthroscopic knee surgery. With the approval of the local ethics committee and signed informed consent of the patients, 75 American Society of Anesthesiologists I-II patients aged between 18 and 65 years going under elective arthroscopic meniscectomy were included in this randomized, blind, prospective study. The patients were divided into three groups: group-T (GT) patients ( n=25) had intraarticular 20 mg of tenoxicam in 20 ml normal saline; group-B (GB) patients ( n=25) had 50 mg bupivacaine in 20 ml normal saline (0.25%); group-BT (GBT) patients ( n=25) had intraarticular 20 mg of tenoxicam and 50 mg bupivacaine (0.25%) in 20 ml normal saline after completion of the surgery and before deflation of the tourniquet. Postoperative analgesia was maintained by intravenous tramadol hydrochloride 50 mg/s at the first 4 h and paracetamol 500 mg and codeine 7.5 mg preparation (Pacofen) as needed (maximum six per day) during the study period. The numeric rating scale (NRS) values were at rest and at active-passive motion at 4, 12, 24 and 48 h, total analgesic consumption, at 4 h for tramadol and at the end of 48 h for oral medication; and patient satisfaction at the end of 48 h was evaluated and recorded. The demographic features of the patients, and tourniquet times, were found to be similar between the groups. Group BT had significantly lower NRS values than GB at 12 h at rest. Group BT was found to have significantly lower NRS values at 4 h compared with GT, and significantly lower NRS values at 12 h compared with GB. Group BT was found to have significantly lower NRS values at 48 h compared with GB. Group T had significantly higher NRS values at 4 h compared with GB. Group B had significantly higher values at 12 h compared with GT and GBT. Group B used significantly more analgesics than GBT and GT throughout the study period. Group BT patients had significantly more satisfaction at the end of the study period when compared with GT and GB. Application of intraarticular tenoxicam-bupivacaine solution is a simple, safe and effective method of analgesia after arthroscopic meniscectomy with high patient satisfaction.
    Knee Surgery Sports Traumatology Arthroscopy 12/2002; 10(6):355-60. DOI:10.1007/s00167-002-0306-y · 3.05 Impact Factor
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    ABSTRACT: In this clinical, randomized, prospective study, we compared the effects of three different analgesia techniques (thoracic epidural analgesia [TEA] with and without preoperative initiation and IV patient-controlled analgesia [IV-PCA]) on postthoracotomy pain in 69 patients. In two groups, a thoracic epidural catheter was inserted preoperatively. Group Pre-TEA had bupivacaine and morphine solution preoperatively and intraoperatively. Postoperative analgesia was maintained with epidural PCA with a similar solution. Group Post-TEA, with no intraoperative medication, had the same postoperative analgesia as Group Pre-TEA plus the bolus dose. Group IV-PCA received only IV-PCA with morphine for postoperative analgesia. Pain was evaluated every 4 h during the first 48 h at rest, cough, and movement. Pre-TEA was associated with decreased pain compared with the other groups. Six months later, the patients were asked about their pain. The incidence and the intensity of pain were most frequent in Group IV-PCA (78%) and were the least in Group Pre-TEA (45%) (Group Pre-TEA versus Group IV-PCA, P = 0.0233; Group Pre-TEA versus Group IV-PCA, P = 0.014). Patients having pain on the second postoperative day had 83% chronic pain. TEA with preoperative initiation is a preferable method in preventing acute and long-term thoracotomy pain. IMPLICATIONS: Preoperatively initiated thoracic epidural analgesia has the most satisfying results in controlling postthoracotomy pain in the acute and long-term period, and it is associated with a decreased incidence (and intensity) of chronic pain compared with postoperative (epidural or IV) analgesia. Chronic pain has an incidence of 62%.
    Anesthesia & Analgesia 02/2002; 94(1):11-5, table of contents. DOI:10.1097/00000539-200201000-00003 · 3.47 Impact Factor