Ultrasound-Assisted Paravertebral Block v. Traditional Paravertebral Block For Pain Control
17 de agosto de 2018 atualizado por: Anna Uskova, University of Pittsburgh
Comparison Of Ultrasound-Assisted Paravertebral Block And Traditional Paravertebral Block For Pain Control After Thoracic Surgery, A Prospective Randomized Trial
The overall purpose of this research study is to compare the effectiveness of ultrasound assisted paravertebral block placement versus traditional "blind" technique for postoperative analgesia following thoracotomy or visually assisted thoracoscopic surgery.
Visão geral do estudo
Status
Concluído
Intervenção / Tratamento
Descrição detalhada
The purpose of this project is to determine if there is a difference between paravertebral block performed with ultrasound assistance and paravertebral block performed with traditional technique in terms of twenty - four hour hydromorphone (dilaudid) consumption and visual analogue pain scores at rest or with deep breathing at twenty - four hours.
This study will determine if ultrasound technique used for placement of paravertebral catheter facilitates safety of paravertebral catheterization and improves therapeutic effect of paravertebral blockade for pain control after thoracotomy.
The investigators will also examine if ultrasound assisted paravertebral blockade improves pulmonary status in post-thoracotomy patient.
Tipo de estudo
Intervencional
Inscrição (Real)
45
Estágio
- Não aplicável
Contactos e Locais
Esta seção fornece os detalhes de contato para aqueles que conduzem o estudo e informações sobre onde este estudo está sendo realizado.
Locais de estudo
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Pennsylvania
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Pittsburgh, Pennsylvania, Estados Unidos, 15237
- UPMC Passavant
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Pittsburgh, Pennsylvania, Estados Unidos, 15232
- UPMC Presbyterian Shadyside
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Critérios de participação
Os pesquisadores procuram pessoas que se encaixem em uma determinada descrição, chamada de critérios de elegibilidade. Alguns exemplos desses critérios são a condição geral de saúde de uma pessoa ou tratamentos anteriores.
Critérios de elegibilidade
Idades elegíveis para estudo
18 anos a 75 anos (Adulto, Adulto mais velho)
Aceita Voluntários Saudáveis
Não
Gêneros Elegíveis para o Estudo
Tudo
Descrição
Inclusion Criteria:
- 1. American Society of Anesthesiologists (ASA) I-III subjects
- 2. Ages 18-75 years
- 3. BMI < 40
- 4. Scheduled for elective thoracic surgery at University of Pittsburgh Medical Center (UPMC) Passavant and Shadyside Hospitals in Pittsburgh, Pennsylvania
- 5. Patients willing and able to provide informed consent
Exclusion Criteria:
- 1) Age younger than 18 years or older than 75 years
- (2) Any contraindication to the placement of unilateral thoracic paravertebral catheter, including local infection, hypocoagulable state.
- (3) American Society of Anesthesiologists physical status IV or greater
- (4) chronic painful conditions
- (5) preoperative opioid use
- (6) coagulation abnormalities or patients who are expected to be on therapeutic anticoagulants postoperatively
- (7) allergy to lidocaine, ropivacaine or bupivacaine
- (8) personal or family history of malignant hyperthermia
- (9) serum creatinine greater than 1.4 g/dl
- (10) pregnancy or lactating.The pregnancy status will be determined by history and prior pregnancy testing when appropriate
- (11) having an altered mental status (not oriented to place, person, or time) or emergency surgery
- (12) comorbid conditions such as sepsis, unstable angina, congestive heart failure, moderate to severe valvular heart disease, severe chronic obstructive pulmonary disease (COPD)
- (13) patient's inability to provide adequate informed consent
- (14) patient refusal to nerve blocks and/or participation in the study
- (15) respiratory support via ventilator post
- (16) non English speaking
- (17) allergy to contrast of iodine
- (18) emergency surgery or any other non-elective procedure
- (19) unstable vertebral and transverse process fractures
Plano de estudo
Esta seção fornece detalhes do plano de estudo, incluindo como o estudo é projetado e o que o estudo está medindo.
Como o estudo é projetado?
Detalhes do projeto
- Finalidade Principal: Tratamento
- Alocação: Randomizado
- Modelo Intervencional: Atribuição Paralela
- Mascaramento: Triplo
Armas e Intervenções
Grupo de Participantes / Braço |
Intervenção / Tratamento |
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Comparador Ativo: Traditional approach paravertebral nerve block
After final needle placement, a hanging drop technique will be used to rule out intrapleural placement while the patient inhales and exhales deeply.
After correct needle placement, 10 mL of 0.5% Ropivacaine will be injected incrementally through each needle after negative aspiration, followed by insertion of the nerve block catheter to a depth 5 cm beyond the tip of the needle.
An additional 10 mL of 0.5% Ropivacaine will then be injected in 5 mL increments with negative aspiration in between, through the catheter yielding a total activation dose of 20 ml of 0.5% Ropivacaine.
The catheter will be secured with Steri-strips and a transparent occlusive dressing.
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Experimental: Ultrasound assisted paravertebral nerve block
The 22 gauge catheter will be threaded through the needle and placed at previously found distance to paravertebral space on obtained ultrasound image.
An additional 10 ml of 0.5% Ropivacaine will be administered through the catheter yielding a total activation dose of 20 ml of 0.5% Ropivacaine.
The catheter will be secured with Steri-strips and a transparent occlusive dressing.
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O que o estudo está medindo?
Medidas de resultados primários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Opioid Consumption at 24 Hours Postoperatively
Prazo: 24 hours after patient-controlled analgesia (PCA) was initiated
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Hydromorphone (Dilaudid) consumption or opiate equivalent at 24-hour interval post PCA initiation at the post-anesthesia care unit (PACU).
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24 hours after patient-controlled analgesia (PCA) was initiated
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Medidas de resultados secundários
Medida de resultado |
Descrição da medida |
Prazo |
|---|---|---|
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Sensory Level
Prazo: 6 assessments starting 5 minutes after nerve block and ending 30 minutes after nerve block.
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Sensory level as assessed by temperature and pin prick test assessed every 5 min for 30 min after nerve block as defined as the patient returning to their bed.
Data below are in number of patients who didn't have any change during the ice and pin prik test.
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6 assessments starting 5 minutes after nerve block and ending 30 minutes after nerve block.
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Pain 11-point Numerical Rating Scale (NRS)at Rest and With Deep Breathing
Prazo: 24 hours post PCA initiation
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The pain level assessed using an 11-point numerical rating scale (NRS) with 0 indicating no pain and 10 indicating the worst pain possible with deep breathing and rest at 24 hours post PCA initiation.
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24 hours post PCA initiation
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Number of Local Anesthetic Boluses Requested by PCA
Prazo: 24 hours postoperatively
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The number of local anesthetic boluses over 24- hour period post PCA initiation will also be recorded.
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24 hours postoperatively
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Total Local Anesthetic Infusions Over 24- Hour Period
Prazo: 24 hours postoperatively
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The total local anesthetic infusions over 24- hour period.
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24 hours postoperatively
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Inspired Oxygen Concentration and Blood Oxygen Saturation (SpO2)
Prazo: Pre-operatively and at 24 hour post-operative
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Inspired oxygen concentration and SpO2 preoperatively and at 24 - hour interval.
Value reported is an average of the preoperative and the 24-hour postoperative SpO2 measurements.
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Pre-operatively and at 24 hour post-operative
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Incentive Spirometry
Prazo: Preoperatively and Postoperatively
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Inspiratory Volume as measured by incentive spirometer preoperatively and at 24 hours post PCA initiation.
The data is reported as a percentage in change from per-surgery measurements (post-surgery/pre-surgery).
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Preoperatively and Postoperatively
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Respiratory Rate
Prazo: 24 hours postoperatively
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Respiratory rate (RR) per minute after surgery.
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24 hours postoperatively
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Forced Vital Capacity (FVC)
Prazo: Preoperatively and postoperatively
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Forced vital capacity (FVC) measured preoperatively and at 24 - hour interval.
Then values were analyzed as percentage in change from per-surgery measurement (post-surgery/pre-surgery).
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Preoperatively and postoperatively
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Forced Expiratory Volume in 1 Sec (FEV1)
Prazo: Preoperatively and postoperatively
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Forced expiratory volume in 1 sec (FEV1) preoperatively and at 24 - hour interval.
Then the values were analyzed as percentage in change from per-surgery measurement (post-surgery/pre-surgery).
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Preoperatively and postoperatively
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Peak Expiratory Flow Rate(PEF)
Prazo: Preoperatively and postoperatively
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Peak expiratory flow rate preoperatively (PEF) and at 24 - hour interval.
Then values were analyzed as percentage in change from per-surgery measurement (post-surgery/pre-surgery).
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Preoperatively and postoperatively
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Total Number of Local Anesthetic Boluses in 24 Hours
Prazo: postoperatively, up to 24 hours
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Total Number of Local Anesthetic bolus doses given within the 24-hours post-operatively.
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postoperatively, up to 24 hours
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Colaboradores e Investigadores
É aqui que você encontrará pessoas e organizações envolvidas com este estudo.
Patrocinador
Publicações e links úteis
A pessoa responsável por inserir informações sobre o estudo fornece voluntariamente essas publicações. Estes podem ser sobre qualquer coisa relacionada ao estudo.
Publicações Gerais
- Pusch F, Freitag H, Weinstabl C, Obwegeser R, Huber E, Wildling E. Single-injection paravertebral block compared to general anaesthesia in breast surgery. Acta Anaesthesiol Scand. 1999 Aug;43(7):770-4. doi: 10.1034/j.1399-6576.1999.430714.x.
- Terheggen MA, Wille F, Borel Rinkes IH, Ionescu TI, Knape JT. Paravertebral blockade for minor breast surgery. Anesth Analg. 2002 Feb;94(2):355-9, table of contents. doi: 10.1097/00000539-200202000-00023.
- Lonnqvist PA, MacKenzie J, Soni AK, Conacher ID. Paravertebral blockade. Failure rate and complications. Anaesthesia. 1995 Sep;50(9):813-5. doi: 10.1111/j.1365-2044.1995.tb06148.x.
- Klein SM, Bergh A, Steele SM, Georgiade GS, Greengrass RA. Thoracic paravertebral block for breast surgery. Anesth Analg. 2000 Jun;90(6):1402-5. doi: 10.1097/00000539-200006000-00026.
- Richardson J, Vowden P, Sabanathan S. Bilateral paravertebral analgesia for major abdominal vascular surgery: a preliminary report. Anaesthesia. 1995 Nov;50(11):995-8. doi: 10.1111/j.1365-2044.1995.tb05939.x.
- Richardson J, Sabanathan S, Jones J, Shah RD, Cheema S, Mearns AJ. A prospective, randomized comparison of preoperative and continuous balanced epidural or paravertebral bupivacaine on post-thoracotomy pain, pulmonary function and stress responses. Br J Anaesth. 1999 Sep;83(3):387-92. doi: 10.1093/bja/83.3.387.
- Luyet C, Eichenberger U, Greif R, Vogt A, Szucs Farkas Z, Moriggl B. Ultrasound-guided paravertebral puncture and placement of catheters in human cadavers: an imaging study. Br J Anaesth. 2009 Apr;102(4):534-9. doi: 10.1093/bja/aep015. Epub 2009 Feb 24.
- Perttunen K, Nilsson E, Heinonen J, Hirvisalo EL, Salo JA, Kalso E. Extradural, paravertebral and intercostal nerve blocks for post-thoracotomy pain. Br J Anaesth. 1995 Nov;75(5):541-7. doi: 10.1093/bja/75.5.541.
- Evans PJ, Lloyd JW, Wood GJ. Accidental intrathecal injection of bupivacaine and dextran. Anaesthesia. 1981 Jul;36(7):685-7. doi: 10.1111/j.1365-2044.1981.tb08781.x.
- Chan VWS, Perlas A, Rawson R, Odukoya O. Ultrasound-guided supraclavicular brachial plexus block. Anesth Analg. 2003 Nov;97(5):1514-1517. doi: 10.1213/01.ANE.0000062519.61520.14.
- Marhofer P, Sitzwohl C, Greher M, Kapral S. Ultrasound guidance for infraclavicular brachial plexus anaesthesia in children. Anaesthesia. 2004 Jul;59(7):642-6. doi: 10.1111/j.1365-2044.2004.03669.x.
- Weltz CR, Greengrass RA, Lyerly HK. Ambulatory surgical management of breast carcinoma using paravertebral block. Ann Surg. 1995 Jul;222(1):19-26. doi: 10.1097/00000658-199507000-00004.
- Vogt A, Stieger DS, Theurillat C, Curatolo M. Single-injection thoracic paravertebral block for postoperative pain treatment after thoracoscopic surgery. Br J Anaesth. 2005 Dec;95(6):816-21. doi: 10.1093/bja/aei250. Epub 2005 Sep 30.
- Matthews PJ, Govenden V. Comparison of continuous paravertebral and extradural infusions of bupivacaine for pain relief after thoracotomy. Br J Anaesth. 1989 Feb;62(2):204-5. doi: 10.1093/bja/62.2.204.
- Ganapathy S, Murkin JM, Boyd DW, Dobkowski W, Morgan J. Continuous percutaneous paravertebral block for minimally invasive cardiac surgery. J Cardiothorac Vasc Anesth. 1999 Oct;13(5):594-6. doi: 10.1016/s1053-0770(99)90015-0. No abstract available.
- Kirvela O, Antila H. Thoracic paravertebral block in chronic postoperative pain. Reg Anesth. 1992 Nov-Dec;17(6):348-50.
- Karmakar MK, Chui PT, Joynt GM, Ho AM. Thoracic paravertebral block for management of pain associated with multiple fractured ribs in patients with concomitant lumbar spinal trauma. Reg Anesth Pain Med. 2001 Mar-Apr;26(2):169-73. doi: 10.1053/rapm.2001.21086.
- Chelly JE. Peripheral Nerve Blocks: A Color Atlas. 2009. Third Edition. Lippincott Williams and Wilkins.
Datas de registro do estudo
Essas datas acompanham o progresso do registro do estudo e os envios de resumo dos resultados para ClinicalTrials.gov. Os registros do estudo e os resultados relatados são revisados pela National Library of Medicine (NLM) para garantir que atendam aos padrões específicos de controle de qualidade antes de serem publicados no site público.
Datas Principais do Estudo
Início do estudo (Real)
1 de julho de 2013
Conclusão Primária (Real)
5 de junho de 2014
Conclusão do estudo (Real)
5 de junho de 2014
Datas de inscrição no estudo
Enviado pela primeira vez
19 de setembro de 2013
Enviado pela primeira vez que atendeu aos critérios de CQ
23 de setembro de 2013
Primeira postagem (Estimativa)
24 de setembro de 2013
Atualizações de registro de estudo
Última Atualização Postada (Real)
22 de janeiro de 2019
Última atualização enviada que atendeu aos critérios de controle de qualidade
17 de agosto de 2018
Última verificação
1 de agosto de 2018
Mais Informações
Termos relacionados a este estudo
Palavras-chave
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Outros números de identificação do estudo
- PRO09090367
Essas informações foram obtidas diretamente do site clinicaltrials.gov sem nenhuma alteração. Se você tiver alguma solicitação para alterar, remover ou atualizar os detalhes do seu estudo, entre em contato com register@clinicaltrials.gov. Assim que uma alteração for implementada em clinicaltrials.gov, ela também será atualizada automaticamente em nosso site .