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Bilateral Ultrasound Guided Pectoralis Nerve Block Induces Hemodynamic Stability With Reducing Systemic Stress Response for Off-pump Coronary Artery Bypass Graft
Bilateral Ultrasound Guided Pectoralis Nerve Block Induces Hemodynamic Stability With Reducing Systemic Stress Response for Adult Patients Undergoing Off-pump Coronary Artery Bypass Graft
Visão geral do estudo
Status
Intervenção / Tratamento
Descrição detalhada
Aims: Ultrasound Guided Bilateral Pecs block would provide attenuation of the neuroendocrine stress response with hemodynamic profile stability, decreased analgesic consumption and improves patient postoperative outcomes after(OPCAB).
Materials and Methods: A prospective, single-blind, controlled study enrolled forty patients between the age groups of 25 and 65 years undergoing (OPCAB) through midline sternotomy under general anesthesia and randomly allocated into two groups with 20 in each group. Group 1 patients did not receive Pecs block (control group), patients were anesthetized to keep the heart rate and blood pressure within 25% of the baseline values. Whereas Group 2 patients received bilateral Pecs block preoperatively. Patients were extubated once they fulfilled extubation criteria. Heart rate, mean arterial blood pressure, Plasma levels of adrenocorticotropic hormone(ACTH) and cortisol, sufentanil consumption were determined at the following points: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4), at the end of surgery. Ventilator duration, duration of ICU stay hospital stay were recorded postoperatively.
Tipo de estudo
Inscrição (Real)
Estágio
- Fase inicial 1
Contactos e Locais
Locais de estudo
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Tanta, Egito
- Ahmed Said Elgebaly
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Critérios de participação
Critérios de elegibilidade
Idades elegíveis para estudo
Aceita Voluntários Saudáveis
Gêneros Elegíveis para o Estudo
Descrição
Inclusion Criteria:
- patients undergoing first-time OPCAB surgery.
- patients with good or only slightly reduced left ventricular function (ejection fraction _40%, left ventricular end-diastolic pressure _15 mmHg)
- patients below 75years of age
Exclusion Criteria:
- patients requiring CPB either electively or during the course of surgery
- patients with renal insufficiency (creatinine _1.5 mg/dL) or hepatic impairment (alanine aminotransferase or aspartate aminotransferase _40 U/mL)
- patients who misused alcohol or drugs
- patients with hemodynamic instability
- symptoms of congestive cardiac failure
- preexisting infection at the block site
- allergy to local anesthetics
- psychiatric illness
- patients with prolonged postoperative ventilator course
Plano de estudo
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Cuidados de suporte
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Dobro
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
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Sem intervenção: Group 1
patients did not receive Bilateral Ultrasound Guided Pectoralis Nerve Block (control group).
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Comparador Ativo: Group 2
patients receive Bilateral Ultrasound Guided Pectoralis Nerve Block (control group).
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Using a 20-gauge 5 cm needle.
Injection bupivacaine 0.25% used as a local anesthetic.
The block was performed in a supine position with the arm slightly abducted.
The ultrasound probe was placed at the midclavicular level infero-laterally to locate the axillary artery and vein and then moved laterally toward the axilla until pectoralis major, pectoralis minor, and serratus anterior muscles were identified at the level of the fourth rib.
The needle was inserted in-plane with respect to the ultrasound probe.
A volume of 20 ml of local anesthetic solution was deposited in the fascial plane between pectoralis minor and serratus anterior muscle, followed by withdrawal of the needle to the fascial plane between the pectoralis major and pectoralis minor muscle, where a volume of 10 ml was deposited.
The block was performed similarly on the opposite side.
Care was taken not to cross the toxic dose of bupivacaine (3 mg/kg).
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
---|---|---|
Changes in Heart rate.
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4), immediately at the end of surgery
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Ranges of heart rate will be estimated in beat per minutes.
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4), immediately at the end of surgery
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changes in mean arterial blood pressure and cardiac indices.
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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Ranges of mean arterial blood pressure estimated in mmHg.
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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changes in cardiac indices.
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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Ranges of Cardiac indices will be estimated as follow :CO in (L/min),Cl in (L/min/m2),SVR in (dyn•s/cm5) and PVR in (dyn•s/cm5).
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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changes in Plasma levels of adrenocorticotropic hormone(ACTH) .
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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Ranges in Plasma levels of adrenocorticotropic hormone(ACTH) in (pg/mL) and cortiso in l(ng/mL)
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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changes in Plasma levels of cortisol hormone
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4), immediately at the end of surgery
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Ranges in Plasma levels of cortisol in (ng/mL)
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4), immediately at the end of surgery
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
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changes in sufentanil consumption
Prazo: Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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Measured by (µg/kg)
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Basically (T0),immediately before the induction of anesthesia; (T1), immediately after tracheal intubation; (T2),immediately after sternotomy;( T3), 30 minutes after the start of surgery; and (T4),immediately at the end of surgery
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Colaboradores e Investigadores
Patrocinador
Publicações e links úteis
Publicações Gerais
- Blanco R, Fajardo M, Parras Maldonado T. Ultrasound description of Pecs II (modified Pecs I): a novel approach to breast surgery. Rev Esp Anestesiol Reanim. 2012 Nov;59(9):470-5. doi: 10.1016/j.redar.2012.07.003. Epub 2012 Aug 29.
- Kumar KN, Kalyane RN, Singh NG, Nagaraja PS, Krishna M, Babu B, Varadaraju R, Sathish N, Manjunatha N. Efficacy of bilateral pectoralis nerve block for ultrafast tracking and postoperative pain management in cardiac surgery. Ann Card Anaesth. 2018 Jul-Sep;21(3):333-338. doi: 10.4103/aca.ACA_15_18.
- Froyshteter AB, Bhalla T, Tobias JD, Cambier GS, Mckee CT. Pectoralis blocks for insertion of an implantable cardioverter defibrillator in two patients with Duchenne muscular dystrophy. Saudi J Anaesth. 2018 Apr-Jun;12(2):324-327. doi: 10.4103/sja.SJA_624_17.
- Kulhari S, Bharti N, Bala I, Arora S, Singh G. Efficacy of pectoral nerve block versus thoracic paravertebral block for postoperative analgesia after radical mastectomy: a randomized controlled trial. Br J Anaesth. 2016 Sep;117(3):382-6. doi: 10.1093/bja/aew223.
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