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Ciudad P, Escandón JM, Manrique OJ, Escobar H, Pejerrey Mago B, Arredondo Malca A. Efficacy of Combined Spinal-Epidural Anesthesia for Lower Extremity Microvascular Reconstruction. J Surg Res 2023; 291:700-710. [PMID: 37562232 DOI: 10.1016/j.jss.2023.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 06/13/2023] [Accepted: 07/12/2023] [Indexed: 08/12/2023]
Abstract
INTRODUCTION Some surgeons have raised concerns regarding the sympathectomy-like effect of epidural anesthesia during lower limb microvascular reconstruction. The combined spinal-epidural (CSE) anesthetic technique incorporates several benefits of spinal and epidural techniques in a single approach. The aim of this study was to analyze the postoperative outcomes of patients undergoing soft-tissue reconstruction of the lower limb by implementing the CSE anesthesia approach. METHODS We reviewed medical records from patients who underwent lower limb reconstructive procedures under CSE anesthesia with free tissue transfer from January 2017 to December 2020. We evaluated the postoperative outcomes. RESULTS Thirty-eight patients underwent microvascular reconstructive procedures of the lower extremity over the study period. The average age and BMI were 38.4-year and 28 kg/m2. All patients only had one postoperative rescue dose with epidural anesthesia. The most common type of flap used was the anterolateral thigh flap (53%). The average splinting time and length of stay (LoS) were 8.4 days and 18.4 days, respectively. Donor-site complications included wound dehiscence (3%) and surgical site infection (3%). Recipient-site complications included partial flap loss (8%) and total flap loss (10%). No pro re nata morphine analgesia was used. Tramadol and/or ketoprofen were administered for postoperative analgesia. The average time to start physiotherapy and to resume daily activities were 10 days and 29 days, respectively. CONCLUSIONS The CSE anesthesia for microvascular reconstruction of the lower limb demonstrated a similar success rate compared to historical records. CSE provided adequate pain management and none of the patients required postoperative monitoring in the ICU.
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Affiliation(s)
- Pedro Ciudad
- Department of Plastic, Reconstructive and Burn Surgery, Arzobispo Loayza National Hospital, Lima, Peru.
| | - Joseph M Escandón
- Division of Plastic and Reconstructive Surgery, Strong Memorial Hospital, University of Rochester Medical Center, Rochester, New York
| | - Oscar J Manrique
- Division of Plastic and Reconstructive Surgery, Strong Memorial Hospital, University of Rochester Medical Center, Rochester, New York
| | - Hugo Escobar
- Department of Anesthesiology and Perioperative Medicine, Arzobispo Loayza National Hospital, Lima, Peru
| | - Bertha Pejerrey Mago
- Department of Anesthesiology and Perioperative Medicine, Arzobispo Loayza National Hospital, Lima, Peru
| | - Aida Arredondo Malca
- Department of Anesthesiology and Perioperative Medicine, Arzobispo Loayza National Hospital, Lima, Peru
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Ciudad P, Escandón JM, Manrique OJ, Llanca L, Reynaga C, Mayer HF. Cross-leg free flaps and cross-leg vascular cable bridge flaps for lower limb salvage: experience before and after COVID-19. EUROPEAN JOURNAL OF PLASTIC SURGERY 2023; 46:1-11. [PMID: 37363691 PMCID: PMC10020769 DOI: 10.1007/s00238-023-02052-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Accepted: 01/23/2023] [Indexed: 03/19/2023]
Abstract
Background Previous reports have evidenced the disruptive effect of the COVID-19 in microsurgical and reconstructive departments. We report our experience with cross-leg free flaps and (CLFF) and cross-leg vascular cable bridge flaps (CLVCBF) for lower limb salvage, technical consideration to decrease morbidity, and some structural modifications to our protocols for standard of care adapted to the COVID-19. Methods We retrospectively included consecutive patients undergoing reconstruction with CLFFs and CLVCBFs for lower limb salvage from January 2003 to May 2022. We extracted data on baseline demographic characteristics, mechanism of trauma, and surgical outcomes. Results Twenty-four patients were included, 11 (45.8%) underwent reconstruction with CLFF while 13 had CLVCBFs (54.2%). Fifteen patients (62.5%) underwent lower limb reconstruction under general anesthesia while 9 (37.5%) had combined spinal-epidural anesthesia. During COVID-19 pandemic, six CLFF cases were performed under S-E (25%). The average time for pedicle transection of muscle CLFFs and muscle CLVCBFs was comparable between groups (60 days versus 62 days, p = 0.864). A significantly shorter average time was evidenced for pedicle division of fasciocutaneous flaps in the CLFF group when compared to CLVCBFs (45 days versus 59 days, p = 0.002). Conclusions In selected patients, CLFFs and CLVCBFs offer an optimal alternative for lower limb salvage using recipient vessels out of the zone of injury from the contralateral limb. Modification in the surgical protocols can decrease improve resource allocation in the setting of severely ill patients during COVID-19.Level of evidence: Level III, Therapeutic.
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Affiliation(s)
- Pedro Ciudad
- Department of Plastic, Reconstructive and Burn Surgery, Arzobispo Loayza National Hospital, Lima, Peru
- Institute of Plastic, Reconstructive and Aesthetic Surgery, Ciruesthetic, Clinic, Lima, Peru
| | - Joseph M. Escandón
- Division of Plastic and Reconstructive Surgery, University of Rochester Medical Center, Rochester, NY USA
| | - Oscar J. Manrique
- Division of Plastic and Reconstructive Surgery, University of Rochester Medical Center, Rochester, NY USA
| | - Lilyan Llanca
- Department of Plastic, Reconstructive and Burn Surgery, Arzobispo Loayza National Hospital, Lima, Peru
| | - César Reynaga
- Department of Plastic, Reconstructive and Burn Surgery, Arzobispo Loayza National Hospital, Lima, Peru
| | - Horacio F. Mayer
- Department of Plastic Surgery, Hospital Italiano de Buenos Aires, University of Buenos Aires Medical School, Hospital Italiano de Buenos Aires University Institute (IUHIBA), Buenos Aires, Argentina
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Zhang Z, Credico P, Bristol S, Macadam S. Determinants of Success in Single- and Multi-Digit Replant. Plast Surg (Oakv) 2023; 31:53-60. [PMID: 36755824 PMCID: PMC9900039 DOI: 10.1177/22925503211024767] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/30/2021] [Indexed: 11/15/2022] Open
Abstract
Purpose: Understanding the variables that influence success in digital replant surgery is essential to guide clinical decision-making and to counsel patients. The purpose of this study was to determine the replant success rate and identify predictors of success at our tertiary care centre. Methods: This was a single centre, retrospective cohort study of consecutive patients who underwent digital replantation from January 2000 to September 2018. Adult patients with flexor zone I to III amputations were included. Patient demographics, comorbidities, injury pattern, operative data, and post-operative care were reviewed. The primary outcome was survival of the replanted digit at discharge. Results: A total of 146 patients met inclusion criteria. Of these, 100 had single-digit replants and 46 underwent multi-digit replants for a total of 220 digits. The success rate was 71%. Predictors of success included sharp mechanism of injury (P < .01), incomplete amputation (P < .01), amputation proximal to zone I flexor level (P = .02), post-operative acetylsalicylic acid use (P < .01), absence of leech use (P = .05), and absence of operative re-exploration (P < .01). Daytime replants had similar outcome compared to nighttime replants despite having increased ischemia time (7.9 ± 3.9 hours vs 6.8 ± 2.6 hours, P = .02). However, daytime operative time (7.8 ± 3.7 hours) was significantly shorter than nighttime replant time (9.6 ± 5.9 hours, P = .01). Conclusion: Sharp amputation, intact venous drainage, proximal amputation, and acetylsalicylic acid use were associated with replant survival and are factors to consider when managing patients for digital replantation. Leech therapy and operative re-exploration were associated with poor outcome. Nighttime replants required significantly longer operative time than daytime replants despite similar survival outcome.
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Affiliation(s)
- Zach Zhang
- Division of Plastic and Reconstructive Surgery, Department of
Surgery, University of British Columbia, Vancouver, British Columbia, Canada
| | - Peter Credico
- Faculty of Medicine, University of British Columbia, Vancouver,
British Columbia, Canada
| | - Sean Bristol
- Division of Plastic and Reconstructive Surgery, Department of
Surgery, University of British Columbia, Vancouver, British Columbia, Canada
| | - Sheina Macadam
- Division of Plastic and Reconstructive Surgery, Department of
Surgery, University of British Columbia, Vancouver, British Columbia, Canada
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Nagalla M, Seidensticker B, Suresh S, Evans MA. Serial Peripheral Nerve Blocks to Aid in Salvage of a Compromised Limb: A Case Report. A A Pract 2022; 16:e01635. [PMID: 36598823 DOI: 10.1213/xaa.0000000000001635] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The management of postsurgical thrombosis in a medically complicated patient is often not straightforward. We describe a case of a congenital heart disease patient with multiple risk factors for thrombosis with a compromised limb immediately after heart transplant who received serial daily peripheral nerve blocks (PNBs) resulting in limb salvage. The analgesic effects of the blocks allowed for clinical progression and participation in rehabilitation therapy, and the vasodilatory effects of the blocks helped prevent a below the knee amputation (BKA) in this devitalized and congested extremity.
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Affiliation(s)
- Monica Nagalla
- From the Department of Anesthesiology, Northwestern Feinberg School of Medicine, Chicago, Illinois
| | - Brittany Seidensticker
- Department of Anesthesiology, University of Colorado School of Medicine, Aurora, Colorado
| | - Santhanam Suresh
- From the Department of Anesthesiology, Northwestern Feinberg School of Medicine, Chicago, Illinois.,Department of Pediatric Anesthesiology, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
| | - Michael A Evans
- From the Department of Anesthesiology, Northwestern Feinberg School of Medicine, Chicago, Illinois.,Department of Pediatric Anesthesiology, Division of Cardiac Anesthesia, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, Illinois
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"Systematic Review and Guidelines for Perioperative Management of Pediatric Patients Undergoing Major Plastic Surgery Procedures, With a Focus on Free Tissue Transfer.". Plast Reconstr Surg 2022; 150:406e-415e. [PMID: 35674517 DOI: 10.1097/prs.0000000000009325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
BACKGROUND Microsurgical free tissue transfer has been successfully implemented for various reconstructive applications in children. The goal of this study was to identify the best available evidence on perioperative management of pediatric patients undergoing free tissue transfer, and use it to develop evidence-based care guidelines. METHODS A systematic review was conducted in Pubmed, Embase, Scopus, and Cochrane Library databases. Since a preliminary search of the pediatric microsurgical literature yielded scant data with low level of evidence (LOE), pediatric anesthesia guidelines for healthy children undergoing major surgeries were also included. Exclusion criteria included: vague descriptions of perioperative care, case reports, and studies of syndromic or chronically ill children. RESULTS 204 articles were identified, and 53 met inclusion criteria. Management approaches specific to the pediatric population were used to formulate recommendations. High quality data was found for anesthesia, analgesia, fluid administration / blood transfusion, and anticoagulation (LOE 1). Lower quality evidence was identified for patient temperature (LOE 3) and vasodilator use (LOE 4). Key recommendations include: administering sevoflurane for general anesthesia, implementing a multimodal analgesia strategy, limiting preoperative fasting, restricting blood transfusions until hemoglobin < 7 g/dl unless patient is symptomatic, and reserving chemical venous thromboembolism prophylaxis for high risk patients. CONCLUSIONS Pediatric-specific guidelines are important as they acknowledge physiologic differences in children, which may be overlooked when extrapolating from adult studies. These evidence-based recommendations are a key first step toward standardization of perioperative care of pediatric patients undergoing plastic surgical procedures, including free tissue transfer, to improve outcomes and minimize complications.
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Martineau J, Guillier D, Maruccia M, Guiotto M, Borens O, Raffoul W, di Summa PG. Locoregional anesthesia for post-operative pain management in microsurgical reconstruction of the lower extremities: A retrospective study. J Plast Reconstr Aesthet Surg 2022; 75:3190-3196. [PMID: 35599221 DOI: 10.1016/j.bjps.2022.04.027] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 03/13/2022] [Accepted: 04/12/2022] [Indexed: 10/18/2022]
Abstract
OBJECTIVE Opioid-based analgesia is often used in the management of postoperative pain in arthroplasty cases. This article analyses the safety of single-shot peripheral nerve block (PNB) and potential analgesic benefits in patients undergoing lower limb free flap reconstruction. METHODS A retrospective review including all patients undergoing lower limb reconstruction with free flaps between October 2017 and April 2020 was performed. Patients were divided into two groups based on PNB utilization. The use of oral opioids, post-operative pain scores, flap-related outcomes, patient morbidity, and length of hospital stay (LOS) were compared between groups. RESULTS Thirty-one patients who underwent lower limb reconstruction with free flaps, were finally included in the study. Preoperative PNB was performed on 14 patients, while 17 patients received general anesthesia (GA) alone. Pain at rest, measured using the visual analog scale (VAS) score, was significantly lower (2.2 ± 1.7 vs. 4.9 ± 1.7) in the PNB group on postoperative day 1 (POD). The mean [median]±SD amounts of opioids consumed in morphine milligram equivalent (MME) were significantly lower in the PNB group on both POD1 (33.5 [22.5] ± 33.9 vs. 61.6 [48.0] ± 39.0), POD2 (29.0 [15.0] ± 29.2 vs. 58.0 [52.5] ± 37.0) and cumulatively over 7 days (164.0 [197.0] ± 132.8 vs. 315.4 [225] ± 203.2). Complication rates and LOS were not statistically different between groups, although trending toward lower take-back procedures and major complications in the PNB group. CONCLUSION Preoperative single-shot PNB significantly reduced postoperative opioid use and patient-reported pain severity and was not associated with an increase in complication rates.
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Affiliation(s)
- Jérôme Martineau
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - David Guillier
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland; Department of Plastic Reconstructive and Hand Surgery, Department of Oral and Maxillofacial Surgery - Dijon University Hospital, France
| | - Michele Maruccia
- Division of Plastic and Reconstructive Surgery, Department of Emergency and Organ Transplantation, University of Bari Aldo Moro, Bari, Italy
| | - Martino Guiotto
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Olivier Borens
- Department of Orthopedic Surgery and Traumatology, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Wassim Raffoul
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Pietro G di Summa
- Department of Plastic, Reconstructive, Aesthetic and Hand Surgery, University Hospital of Lausanne (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland.
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Postoperative Digit and Hand Replantation Protocols: A Review of the Literature. J Am Acad Orthop Surg 2021; 29:e732-e742. [PMID: 34185029 DOI: 10.5435/jaaos-d-20-01176] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Accepted: 06/03/2021] [Indexed: 02/01/2023] Open
Abstract
Successful replantation and revascularization of the hand and digit require a skilled team with urgent access to an operating room with microsurgical capabilities. Although careful indications and surgical techniques contribute to success, postoperative management also plays a vital role in the survival of a replanted digit. Previous research has assessed surgical efficiency and techniques to conduct these procedures, but few studies evaluate postoperative protocols to care for patients undergoing these procedures. Because of the lack of high-level evidence specific to replantation, many common postoperative practices related to monitoring, anticoagulation, and diet have been inferred from elective microsurgical procedures, despite notable differences in operating conditions. The highest level of evidence pertaining to digital replantation was found with the use of peripheral nerve blockade, leeching/bleeding, and nicotine use. This review provides an in-depth evaluation of the literature and insight into the rationale and level of evidence that support each postoperative intervention. It highlights institutional variability and a paucity of high-level evidence pertaining to this topic while identifying the areas of future research.
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8
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Xu Y, Cui D, Zhang J, Ding Q, Dong J, Wang Y. Blood flow changes in the forearm arteries after ultrasound-guided costoclavicular brachial plexus blocks: a prospective observational study. BMC Anesthesiol 2021; 21:164. [PMID: 34051737 PMCID: PMC8164273 DOI: 10.1186/s12871-021-01383-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2020] [Accepted: 05/17/2021] [Indexed: 11/25/2022] Open
Abstract
Background An increase in blood flow in the forearm arteries has been reported after brachial plexus block (BPB). However, few studies have quantitatively analysed the blood flow of the forearm arteries after BPB or have studied only partial haemodynamic parameters. The purpose of the present study was to comprehensively assess blood flow changes in the distal radial artery (RA) and ulnar artery (UA) after BPB performed via a new costoclavicular space (CCS) approach using colour Doppler ultrasound. Methods Thirty patients who underwent amputated finger replantation and received ultrasound-guided costoclavicular BPB were included in the study. The haemodynamic parameters of the RA and UA were recorded before the block and 10 min, 20 min, and 30 min after the block using colour Doppler ultrasound to determine the peak systolic velocity (PSV), end-diastolic velocity (EDV), mean velocity (Vmean), pulsatility index (PI), resistance index (RI) and area. The volumetric flow rate (VFR) was calculated using the formula Q = area×Vmean. The aforementioned parameters were compared not only before and after the BPB but also between the RA and UA. Results Compared with those of the respective baselines, there was a significant increase in the PSV, EDV, Vmean, area, and VFR and a significant decrease in the PI and RI of the RA and UA 10 min, 20 min, and 30 min post-block. The increase 30 min post-block in EDV (258.68 % in the RA, 279.63 % in the UA) was the most notable, followed by that in the Vmean (183.36 % in the RA, 235.24 % in the UA), and the PSV (139.11 % in the RA, 153.15 % in the UA) changed minimally. The Vmean and VFR of the RA were significantly greater than those of the UA before the BPB; however, there was no significant difference in the VFR between the RA and UA after the BPB. Conclusions A costoclavicular BPB can increase blood flow in the forearm arteries. The RA had a higher volumetric flow rate than the UA before the BPB; however, the potential blood supply capacity of the UA was similar to that of the RA after a BPB. Trial registration This study was registered at the Chinese Clinical Trial Registry (http://www.chictr.org.cn/searchproj.aspx, clinical trial number: ChiCTR 1900023796, date of registration: June 12, 2019)
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Affiliation(s)
- Yang Xu
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China
| | - Derong Cui
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China.
| | - Junfeng Zhang
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China
| | - Qian Ding
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China
| | - Jing Dong
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China
| | - Yan Wang
- Department of Anesthesiology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, 600 Yishan Road, Shanghai, China
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9
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Lin YS. Vasospasm induced by pain from gout attack in earlobe replantation. Microsurgery 2020; 41:196-197. [PMID: 33325569 DOI: 10.1002/micr.30695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 08/15/2020] [Accepted: 12/04/2020] [Indexed: 11/05/2022]
Affiliation(s)
- Ying-Sheng Lin
- Division of Plastic and Reconstructive Surgery, National Taiwan University Hospital Yunlin Branch, Douliou, Taiwan, Republic of China.,College of Medicine, National Taiwan University, Taipei, Taiwan, Republic of China
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10
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Closed Digital Artery Injury in Children: A Case Report and Review of the Literature. Pediatr Emerg Care 2020; 36:e233-e235. [PMID: 28953101 DOI: 10.1097/pec.0000000000001288] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Closed digital artery injury is a very rare phenomenon, even more so in children, with only 5 cases reported in the literature. We report a case of closed digital arterial interruption in a child after crush injury to the left hand. We further discuss possible etiologies and describe adequate management as found in the pertinent literature. Digital arterial injury should be suspected even in closed hand trauma because a delay in recognition may lead to devastating consequences.
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Digital replantation/revascularization: predictive factors to microsurgery success—a single-center study. Eur J Trauma Emerg Surg 2019; 47:225-232. [DOI: 10.1007/s00068-019-01226-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Accepted: 08/30/2019] [Indexed: 10/26/2022]
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Sahin MS, Cakmak G, Birtay T. Comparison of Single-Dose Infraclavicular Brachial Plexus Block and Continuous Infraclavicular Brachial Plexus Block Applications in the Treatment of Finger Amputations. J Hand Microsurg 2019; 11:134-139. [PMID: 31814664 DOI: 10.1055/s-0039-1681115] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 01/09/2019] [Indexed: 10/27/2022] Open
Abstract
Introduction The aim of this study is to evaluate the replantation success of single-dose infraclavicular brachial plexus block and continuous infraclavicular brachial plexus block (CIBPB) applied with bupivacaine and prilocaine in patients with finger amputation. Materials and Methods This prospective randomized nonblinded study was conducted between January 2012 and September 2017, and 47 patients, all male, were included. Patients were randomly separated into two groups as 23 patients CIBPB applied group (group A) and 24 patients single-dose infraclavicular block applied group (group B). In group B, after the effect of block is ceased, intravenous patient-controlled (PC) opioid analgesia and, where necessary, 1 mg/kg meperidine and 75 mg diclofenac sodium intramuscularly were alternately administered at 4 to 6 hours intervals. The average ages were 30.7 ± 10.06 and 29 ± 9.08, respectively. Replantations were applied as being two venous anastomoses to one artery, where possible. Hourly skin temperatures of fingers of the hands in which both surgeries applied and no surgery applied in both the groups were measured for 3 days with an infrared thermometer. Also, Numerical Rating Scale (NRS) evaluations in both the groups were performed in 3-hour intervals for 3 days. Results Replantations were successful in 22 patients in whom CIBPB was applied (95.6%) and in 19 patients in whom single block was applied (79.16%). Regarding the finger temperatures, no significant difference was detected between both the groups for 3 days following the operation. No significant difference was found between the length of hospital stays (4.73 ± 2.21-4.71 ± 1.53) and duration of operations (2.90 ± 0.73-2.83 ± 0.58). There was no significant difference between the temperature values of both the groups. NRS scores of group A were statistically significantly lower than those of group B. Conclusion In this prospective randomized study performed by using bupivacaine and prilocaine on 24 patients, the success rate of finger replantations with CIBPB was found to be higher. CIBPB is a very beneficial method that should be taken in consideration in hand injuries with anastomosis and high risk of vasospasm. Further studies with more number of cases would help reduce the question marks related with the success of this method.
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Affiliation(s)
- Mehmet Sukru Sahin
- Department of Orthopaedics and Traumatology, Alanya Teaching and Medical Research Center, Baskent University, Alanya, Turkey
| | - Gokhan Cakmak
- Department of Orthopaedics and Traumatology, Alanya Teaching and Medical Research Center, Baskent University, Alanya, Turkey
| | - Tayfun Birtay
- Department of Anaesthesiology and Reanimation, Alanya Teaching and Medical Research Centre, Baskent University, Alanya, Turkey
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Clifford SP, Maggard BD, Hines KM. Prolonged continuous infraclavicular brachial plexus perineural infusion following replantation of a mid-humeral amputation. SAGE Open Med Case Rep 2019; 7:2050313X18823094. [PMID: 30675357 PMCID: PMC6330729 DOI: 10.1177/2050313x18823094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 12/12/2018] [Indexed: 11/22/2022] Open
Abstract
Replantation of a traumatic upper extremity amputation is a complex process accompanied by prolonged hospitalization, extended rehabilitation, and potential for graft failure secondary to poor perfusion to the distal extremity. The patient is faced with repeat visits to the operating room in addition to severe acute and chronic pain issues. We present the case of an 18-year-old male treated with prolonged continuous peripheral nerve blockade following traumatic left mid-humeral amputation and subsequent replantation. The patient maintained infraclavicular brachial plexus catheterization until hospital discharge, a course spanning 33 days and six follow-up surgical procedures. The patient was pain free and had been weaned off all opioids at a 4-week outpatient surgical debridement. Prolonged continuous infraclavicular brachial plexus blockade following replantation surgery has numerous potential benefits including augmentation of perfusion to the injured extremity, management of severe acute post-traumatic pain, and prevention of the chronic pain associated with transected nerves.
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Affiliation(s)
- Sean P Clifford
- Department of Anesthesiology and Perioperative Medicine, University of Louisville Hospital, Louisville, KY, USA
| | - Brittany D Maggard
- Department of Anesthesiology and Perioperative Medicine, University of Louisville Hospital, Louisville, KY, USA
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15
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Wenger A, Amr A, Schaller HE, Rothenberger J. Skin Perfusion Changes within 12 h after Axillary Plexus Block. Eur Surg Res 2017; 58:227-234. [DOI: 10.1159/000475813] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2016] [Accepted: 04/17/2017] [Indexed: 01/25/2023]
Abstract
Background/Purpose: An improvement of the blood flow would be beneficial in microvascular upper-extremity reconstruction and in digit replantation. In the present work, skin perfusion changes and their duration due to axillary plexus block were quantified. Methods: The peripheral blood flow of the upper extremities in 20 patients undergoing trapeziectomy under axillary plexus block was analyzed. Results: Laser Doppler spectrophotometry was used to measure perfusion factors over a 12-h period, with the contralateral hand acting as the control. Axillary plexus block produced a significant increase of peripheral oxygen saturation (117 ± 35% vs. control 93 ± 22%, p = 0.019), peripheral blood flow (220 ± 166% vs. 130 ± 77%, p = 0.037), and velocity (164 ± 58% vs. 117 ± 45%, p = 0.011). Conclusion: Axillary plexus block produces an improvement of peripheral tissue oxygen saturation of the upper extremities over the first 6 h after the inception of anesthesia. This suggests a potential benefit especially for critically perfused tissues.
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16
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Habib AMA, Zanaty OM, Anwer HF, Abo Alia D. The effect of paravertebral block on maxillofacial free flap survival. Int J Oral Maxillofac Surg 2017; 46:706-711. [PMID: 28292551 DOI: 10.1016/j.ijom.2017.01.022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2016] [Revised: 01/19/2017] [Accepted: 01/31/2017] [Indexed: 11/27/2022]
Abstract
The purpose of this study was to investigate whether continuous paravertebral block at levels T1 and T2 with bupivacaine infusion can improve the survival of free flaps in maxillofacial reconstruction. The study was designed as a randomized controlled trial and included 36 adult patients scheduled for maxillofacial free flap reconstruction under general anesthesia. Patients were randomly divided into two groups: patients in group A received continuous paravertebral block at levels T1 and T2, while patients in group B served as controls. Postoperatively, a skin thermometer was used to assess the skin temperature. Perfusion of the flaps was evaluated by analysis of skin color, turgor, and capillary refill. Survival of the free flap was recorded. The surface temperature of the reconstructive flap, skin color score, and capillary refill score were significantly higher in group A patients than in group B patients during follow-up. The total perfusion score was significantly higher in group A than in group B at 16h and 20h postoperative (P=0.041 and P=0.039, respectively). Re-operation was recorded in three cases in group B (16.7%) (P=0.031). Continuous paravertebral block at levels T1 and T2 can increase the skin temperature and improve skin color and capillary refilling, which are indices of adequate tissue perfusion and indicate maxillofacial free flap survival.
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Affiliation(s)
- A M A Habib
- Assistant professor of Maxillofacial and Plastic Surgery, Faculty of Dentistry, Alexandria University, Alexandria, Egypt.
| | - O M Zanaty
- Anaesthesia and Surgical Intensive Care, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - H F Anwer
- Anaesthesia and Surgical Intensive Care, Faculty of Medicine, Alexandria University, Alexandria, Egypt
| | - D Abo Alia
- Anaesthesia and Surgical Intensive Care, Faculty of Medicine, Alexandria University, Alexandria, Egypt
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Wenger A, Rothenberger J, Hakim-Meibodi LE, Notheisen T, Schaller HE. Quantification of the vasodilatory effect of axillary plexus block. A prospective controlled study. J Surg Res 2017; 212:153-158. [PMID: 28550902 DOI: 10.1016/j.jss.2017.01.009] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Revised: 12/04/2016] [Accepted: 01/18/2017] [Indexed: 11/26/2022]
Abstract
BACKGROUND Axillary plexus block is a common method for regional anesthesia, especially in hand and wrist surgery. Local anesthetics (e.g., mepivacaine) are injected around the peripheral nerves in the axilla. A vasodilatory effect due to sympathicolysis has been described, but not quantified. MATERIALS AND METHODS In a prospective controlled study between October 2012 and July 2013, we analyzed 20 patients with saddle joint arthritis undergoing trapeziectomy under axillary plexus block. Patients received a mixture of mepivacaine 1% and ropivacaine 0.75% in a 3:1 ratio. The measurements were carried out on the plexus side and the contralateral hand, which acted as the control. Laser-Doppler spectrophotometry (oxygen to see [O2C] device) was used to measure various perfusion factors before and after the plexus block, after surgery and in 2-h intervals until 6 h postoperatively. RESULTS Compared with the contralateral side, the plexus block produced an enhancement of tissue oxygen saturation of 117.35 ± 34.99% (cf. control SO2: 92.92 ± 22.30%, P < 0.010) of the baseline value. Furthermore, blood filling of microvessels (rHb: 131.36 ± 48.64% versus 109.12 ± 33.25%, P < 0.0062), peripheral blood flow (219.85 ± 165.59% versus 129.55 ± 77.12%, P < 0.018), and velocity (163.86 ± 58.18% versus 117.16 ± 45.05%, P < 0.006) showed an increase of values. CONCLUSIONS Axillary plexus block produces an improvement of peripheral tissue oxygen saturation of the upper extremity over the first 4 h after the inception of anesthesia.
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Affiliation(s)
- Andrea Wenger
- Clinic for Hand, Plastic, Reconstructive and Burn Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Tuebingen, Baden-Wurttemberg, Germany.
| | - Jens Rothenberger
- Clinic for Hand, Plastic, Reconstructive and Burn Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Tuebingen, Baden-Wurttemberg, Germany
| | | | - Thomas Notheisen
- Clinic for Anaesthesia, Intensive Care and Pain Therapy, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Tuebingen, Baden-Wurttemberg, Germany
| | - Hans-Eberhard Schaller
- Clinic for Hand, Plastic, Reconstructive and Burn Surgery, BG Unfallklinik Tuebingen, Eberhard Karls University Tuebingen, Tuebingen, Baden-Wurttemberg, Germany
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Gadsden J, Warlick A. Regional anesthesia for the trauma patient: improving patient outcomes. Local Reg Anesth 2015; 8:45-55. [PMID: 26316813 PMCID: PMC4540140 DOI: 10.2147/lra.s55322] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
Trauma is a significant health problem and a leading cause of death in all age groups. Pain related to trauma is frequently severe, but is often undertreated in the trauma population. Opioids are widely used to treat pain in injured patients but have a broad range of undesirable effects in a multitrauma patient such as neurologic and respiratory impairment and delirium. In contrast, regional analgesia confers excellent site-specific pain relief that is free from major side effects, reduces opioid requirement in trauma patients, and is safe and easy to perform. Specific populations that have shown benefits (including morbidity and mortality advantages) with regional analgesic techniques include those with fractured ribs, femur and hip fractures, and patients undergoing digital replantation. Acute compartment syndrome is a potentially devastating sequela of soft-tissue injury that complicates high-energy injuries such as proximal tibia fractures. The use of regional anesthesia in patients at risk for compartment syndrome is controversial; although the data is sparse, there is no evidence that peripheral nerve blocks delay the diagnosis, and these techniques may in fact facilitate the recognition of pathologic breakthrough pain. The benefits of regional analgesia are likely most influential when it is initiated as early as possible, and the performance of nerve blocks both in the emergency room and in the field has been shown to provide quality pain relief with an excellent safety profile.
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Affiliation(s)
- Jeff Gadsden
- Department of Anesthesiology, Duke University, Durham, NC, USA
| | - Alicia Warlick
- Department of Anesthesiology, Duke University, Durham, NC, USA
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Guerrero-Domínguez R, López-Herrera-Rodríguez D, Fernández-Castelllano G, Federero F, Jiménez I. Importance of sympathectomy induced by continuous brachial plexus block for digital replantation in a patient with liver cirrhosis: Case report. COLOMBIAN JOURNAL OF ANESTHESIOLOGY 2015. [DOI: 10.1016/j.rcae.2015.03.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022] Open
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20
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Guerrero-Domínguez R, López-Herrera-Rodríguez D, Fernández-Castellano G, Federero F, Jiménez I. Importancia de la simpatectomía inducida por el bloqueo continuo del plexo braquial para la cirugía de reimplante digital en un paciente con cirrosis hepática: reporte de caso. COLOMBIAN JOURNAL OF ANESTHESIOLOGY 2015. [DOI: 10.1016/j.rca.2015.03.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022] Open
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21
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Emerging paradigms in perioperative management for microsurgical free tissue transfer: review of the literature and evidence-based guidelines. Plast Reconstr Surg 2015; 135:290-299. [PMID: 25539313 DOI: 10.1097/prs.0000000000000839] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
BACKGROUND Microsurgical free tissue transfer has become an increasingly valuable technique in reconstructive surgery. However, there is a paucity of evidence-based guidelines to direct management. A systematic review was performed to define strategies to optimize perioperative management. METHODS A systematic review of the literature was performed using key search terms. Strategies to guide patient management were identified, classified according to level of evidence, and used to devise recommendations in seven categories: patient temperature, anesthesia, fluid administration/blood transfusion, vasodilators, vasopressors, and anticoagulation. RESULTS A total of 106 articles were selected and reviewed. High-level evidence was identified to guide practices in several key areas, including patient temperature, fluid management, vasopressor use, anticoagulation, and analgesic use. CONCLUSIONS Current practices remain exceedingly diverse. Key strategies to improve patient outcomes can be defined from the available literature. Key evidence-based guidelines included that normothermia should be maintained perioperatively to improve outcomes (level of evidence 2b), and volume replacement should be maintained between 3.5 and 6.0 ml/kg per hour (level of evidence 2b). Vasopressors do not harm outcomes and may improve flap flow (level of evidence 1b), with most evidence supporting the use of norepinephrine over other vasopressors (level of evidence 1b). Dextran should be avoided (level of evidence 1b), and pump systems for local anesthetic infusion are beneficial following free flap breast reconstruction (level of evidence 1b). Further prospective studies will improve the quality of available evidence.
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Bjorklund KA, Venkatramani H, Venkateshwaran G, Boopathi V, Raja Sabapathy S. Regional anesthesia alone for pediatric free flaps. J Plast Reconstr Aesthet Surg 2015; 68:705-8. [PMID: 25858275 DOI: 10.1016/j.bjps.2015.02.019] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2014] [Revised: 01/21/2015] [Accepted: 02/02/2015] [Indexed: 10/24/2022]
Abstract
Microvascular surgery plays an important reconstructive role in the pediatric population. Successful outcomes rely on surgical technique as well as anesthesia. Regional anesthesia contributes to successful free tissue transfer through sympathetic blockade, postoperative pain control, and elimination of risks and costs associated with general anesthesia. While regional anesthesia in microsurgery is discussed in the literature for adult and elderly patients, no studies focus on the pediatric population. Accordingly, this paper reviews 20 pediatric patients undergoing microvascular surgery (anterolateral thigh, n = 9; gracilis, n = 3; toe transfer, n = 6; and fibula, n = 2) with regional anesthesia and sedation. All patients underwent spinal epidural anesthesia, and seven also received brachial plexus blocks. The average duration of anesthesia was 3-4 h (anterolateral thigh (ALT) and gracilis) and 6-8 h (toe transfer and fibula). No anesthesia-related complications or flap failures occurred. We conclude that regional anesthesia has important benefits in pediatric microsurgery and it is a safe and cost-effective alternative to general anesthesia.
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Affiliation(s)
- Kim A Bjorklund
- Department of Plastic Surgery, Hand and Microsurgery, Ganga Hospital, Coimbatore, India
| | - Hari Venkatramani
- Department of Plastic Surgery, Hand and Microsurgery, Ganga Hospital, Coimbatore, India
| | | | | | - S Raja Sabapathy
- Department of Plastic Surgery, Hand and Microsurgery, Ganga Hospital, Coimbatore, India.
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Importance of sympathectomy induced by continuous brachial plexus block for digital replantation in a patient with liver cirrhosis: Case report☆. COLOMBIAN JOURNAL OF ANESTHESIOLOGY 2015. [DOI: 10.1097/01819236-201543030-00014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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24
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Niazi AU, El-Beheiry H, Ramlogan R, Graham B, von Schroeder HP, Tumber PS. Continuous infraclavicular brachial plexus blockade: effect on survival of replanted digits. ACTA ACUST UNITED AC 2014; 18:325-30. [PMID: 24156573 DOI: 10.1142/s0218810413500342] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
In replantation surgery, the use of continuous brachial plexus blockade (CBPB) is popular as it improves postoperative analgesia and vascular flow. The aim of our study was to determine whether CBPB may affect the odds of survivability of replanted digit(s). A four-year retrospective chart review was performed and various parameters affecting replant survival were examined. Outcome was recorded as successful if the transplanted digit(s) survived six months after discharge. All the independent variables were forced into a regression model without using a specific variable selection algorithm. The data for 146 patients was obtained from our chart review. The success rate of replanted digits in the patients reviewed was 65.8%. The logistic regression model showed a relation between the number of digits injured and replanted digit(s) survival. Our study showed that CBPB has no effect on the survivability of the replanted digit(s) till six months after hospital discharge.
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Affiliation(s)
- Ahtsham U Niazi
- Department of Anesthesia, Toronto Western Hospital, University Health Network, Toronto, Canada
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25
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Perioperative management of a patient scheduled for bilateral hand transplant. J Clin Anesth 2013; 25:224-7. [PMID: 23688960 DOI: 10.1016/j.jclinane.2012.11.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2012] [Revised: 11/01/2012] [Accepted: 11/04/2012] [Indexed: 11/23/2022]
Abstract
The perioperative management of a patient receiving a bilateral hand transplant is presented. The anesthetic management required careful fluid administration, homeothermic temperature maintenance, and postoperative analgesia. The role of different anesthesia subspecialties is highlighted.
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Osada R, Zukawa M, Seki E, Kimura T. CONTINUOUS PERIPHERAL NERVE BLOCK IN FOREARM FOR SEVERE HAND TRAUMA. ACTA ACUST UNITED AC 2011; 16:239-44. [DOI: 10.1142/s0218810411005485] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2011] [Revised: 05/18/2011] [Accepted: 05/18/2011] [Indexed: 11/18/2022]
Abstract
We studied the use of a continuous peripheral nerve block (CPNB) in the distal forearm and wrist immediately after emergent surgery for severe hand trauma in 22 hands. After emergent surgery, a 2–3 cm longitudinal incision was made at the distal forearm and an 18-gauge catheter was inserted along the peripheral nerves. All patients received postoperative analgesia by continuous infusion of 0.2% ropivacaine at 2 ml/h for seven to 21 days. Pain score remained low during postoperative period and only a small number of analgesic rescues were needed. There were no major complications related to the CPNB and one patient showed mild superficial infection at the insertion site that immediately recovered after catheter removal. This method provides good postoperative analgesia without loss of motor function in extrinsic hand muscles and should be considered as a postoperative pain management for severe hand trauma.
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Affiliation(s)
- Ryusuke Osada
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Mineyuki Zukawa
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Eiko Seki
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan
| | - Tomoatsu Kimura
- Department of Orthopaedic Surgery, Faculty of Medicine, University of Toyama, Toyama 930-0194, Japan
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Lumenta DB, Haslik W, Beck H, Pollreisz A, Andel H, Frey M. Influence of Brachial Plexus Blockade on Oxygen Balance During Surgery. Anesth Analg 2011; 113:199-201. [DOI: 10.1213/ane.0b013e31821893f4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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Stojadinovic A, Shockey SM, Croll SM, Buckenmaier CC. Quality of reporting of regional anesthesia outcomes in the literature. PAIN MEDICINE 2009; 10:1123-31. [PMID: 19671083 DOI: 10.1111/j.1526-4637.2009.00683.x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
OBJECTIVE Consistent and reliable standards for reporting of regional anesthetic adverse events are lacking. The quality of reporting of regional anesthetic morbidity has not been assessed critically. AIM To evaluate quality of regional anesthesia outcomes reporting. Methods. Published retrospective or prospective observational cohort or randomized controlled trials in peer-reviewed journals were reviewed, and judged according to seven criteria related to quality of reporting of regional anesthesia complications: method of accrual, duration of data collection, definition of complication, morbidity and mortality rates, grade of complication severity, exclusion criteria, and study follow up. Differences in reporting outcomes according to study design, sample size and time period were compared. RESULTS Ninety-one articles published from 1996-2006 involving 8,833 patients were analyzed. The majority of studies (75%) met < or =4 reporting criteria. Recently published, prospective studies with >200 patients were associated with significantly higher-quality reporting (P < 0.05). Fewer than 50% of studies reported at least one recognized, accepted complication with defined criteria or indicated duration of follow up. Reporting compliance was worse (29%) for reporting of actual morbidity rates, and complications leading to death. Complication severity grading related to regional anesthesia was reported in 2% of studies. CONCLUSION Consistent and comparative regional anesthesia outcome data are lacking in peer-reviewed journals. A graded regional anesthetic morbidity and mortality system according to the intensity of therapy required for the treatment of the defined complication is proposed, along with a structured format for the reporting of regional anesthesia complications according to defined reporting standards.
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Affiliation(s)
- Alexander Stojadinovic
- Army Regional Anesthesia & Pain Management Initiative, Anesthesia & Operative Service, Walter Reed Army Medical Center, Washington, DC 20307-5001, USA
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Zarucco L, Driessen B, Scandella M, Seco O, Cozzi F, Orsini JA. Continuous Perineural Block of the Palmar Nerves: A New Technique for Pain Relief in the Distal Equine Forelimb. ACTA ACUST UNITED AC 2007. [DOI: 10.1053/j.ctep.2007.05.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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