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Bui D, Hayward G, Chen TH, Apruzzese P, Asher S, Maslow M, Gorgone M, Hunter C, Flaherty D, Kendall M, Maslow A. Hemodynamic Monitoring In The Cardiac Surgical Patient: Comparison of Three Arterial Catheters. J Cardiothorac Vasc Anesth 2024; 38:1115-1126. [PMID: 38461034 DOI: 10.1053/j.jvca.2024.02.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Revised: 02/05/2024] [Accepted: 02/08/2024] [Indexed: 03/11/2024]
Abstract
OBJECTIVE Systemic systolic (SAP) and mean (MAP) arterial pressure monitoring is the cornerstone in hemodynamic management of the cardiac surgical patient, and the radial artery is the most common site of catheter placement. The present study compared 3 different arterial line procedures. It is hypothesized that a 20-G 12.7- cm catheter inserted into the radial artery will be equal to a 20-G 12.7- cm angiocath placed in the brachial artery, and superior to a 20-G 5.00 cm angiocath placed in the radial artery. DESIGN A prospective randomized control study was performed. SETTING Single academic university hospital. PARTICIPANTS Adult patients ≥18 years old undergoing nonemergent cardiac surgery using cardiopulmonary bypass (CPB). INTERVENTIONS After approval by the Rhode Island Hospital institutional review board, a randomized prospective control study to evaluate 3 different peripheral intraarterial catheter systems was performed: (1) Radial Short (RS): 20-G 5- cm catheter; (2) Radial Long (RL): 20-G 12- cm catheter; and (3) Brachial Long (BL): 20-G 12- cm catheter. MEASUREMENTS AND RESULTS Gradients between central aortic and peripheral catheters (CA-P) were compared and analyzed before CPB and 2 and 10 minutes after separation from CPB. The placement of femoral arterial lines and administration of vasoactive medications were recorded. After exclusions, 67 BL, 61 RL, and 66 RS patients were compared. Before CPB, CA-P SAP and MAP gradients were not significant among the 3 groups. Two minutes after CPB, the CA-P SAP gradient was significant for the RS group (p = 0.005) and insignificant for BL (p = 0.47) and RL (p = 0.39). Two-group analysis revealed that CA-P SAP gradients are similar between BL and RL (p = 0.84), both of which were superior to RS (p = 0.02 and p = 0.04, respectively). At 10 minutes after CPB, the CA-P SAP gradient for RS remained significant (p = 0.004) and similar to the gradient at 2 minutes. The CA-P SAP gradients increased from 2 to 10 minutes for BL (p = 0.13) and RL (p = 0.06). Two minutes after CPB, the CA-P MAP gradients were significant for the BL (p = 0.003), RL (p < 0.0001), and RS (p < 0.0001) groups. Two-group analysis revealed that the CA-P MAP gradients were lower for the BL group compared with the RL (p = 0.054) and RS (p< 0.05) groups. Ten minutes after CPB, the CA-P MAP gradients in the RL and RS groups remained significant (p < 0.0001) and both greater than the BL group (p = 0.002). A femoral arterial line was placed more frequently in the RS group (8/66 = 12.1%) than in the RL group (3/61 = 4.9%) and the BL group (2/67 = 3.0%). Vasopressin was administered significantly more frequently in the RS group. CONCLUSION Regarding CA-P SAP gradients, the RL group performed equally to the BL group, both being superior to RS. Regarding CA-P MAP gradients, BL was superior to RL and RS. Clinically, femoral line placement and vasopressin administration were fewer for the BL and RL groups when compared with the RS group. This study demonstrated the benefits of a long (12.7 cm) 20- G angiocath placed in the radial artery.
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Affiliation(s)
- Danny Bui
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Geoffrey Hayward
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Tzong Huei Chen
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | | | - Shyamal Asher
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | | | - Michelle Gorgone
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Caroline Hunter
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Devon Flaherty
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Mark Kendall
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI
| | - Andrew Maslow
- Departments of Anesthesiology, Rhode Island Hospital, Providence, RI.
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Rahman NA, Wang A, Chihade DB, Feghali A. Giant 20 × 35 cm brachial artery pseudoaneurysm after fistulogram treated with surgical resection of pseudoaneurysm and patch angioplasty of brachial artery. J Surg Case Rep 2024; 2024:rjae213. [PMID: 38572280 PMCID: PMC10989281 DOI: 10.1093/jscr/rjae213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2024] [Accepted: 03/16/2024] [Indexed: 04/05/2024] Open
Abstract
Brachial artery pseudoaneurysms are a rare entity, which can occur secondary to infectious, traumatic, or iatrogenic causes. We present a 78-year-old female with end-stage renal disease on hemodialysis via a right brachio-basilic arteriovenous fistula. She had previously undergone numerous fistulograms and endovascular interventions for right upper extremity swelling due to prolonged bleeding following dialysis. After a recent fistulogram she developed recurrent arm swelling. Duplex showed a large hematoma without any evidence of vascular flow. However, intraoperatively, she was noted to have a giant 20 × 35 cm pseudoaneurysm of the brachial artery. Therapeutic options include endovascular stenting, embolization, thrombin injection, ultrasound-guided compression, and surgery. We elected to perform resection of the large pseudoaneurysm and arteriovenous fistula ligation due to the large size. Given her end-stage renal disease status and lacking quality autogenous vein, we were able to perform a patch angioplasty repair of her brachial artery without requiring a bypass.
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Affiliation(s)
- Naveed A Rahman
- Department of Surgery, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, United States
| | - Alice Wang
- Department of Surgery, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, United States
| | - Deena B Chihade
- Department of Surgery, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, United States
| | - Anthony Feghali
- Department of Surgery, SUNY Upstate Medical University, 750 East Adams Street, Syracuse, NY 13210, United States
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Lee CYV, Natalwala I, Tahir N, Bains RD. A Rare Case of Brachial Artery Aneurysm in a 9-Month-Old Infant. Vasc Endovascular Surg 2024; 58:230-234. [PMID: 37646258 DOI: 10.1177/15385744231198944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/01/2023]
Abstract
An otherwise healthy 9-month-old infant was treated for a true aneurysm of the proximal brachial artery. The swelling was first noted at seven months of age. An ultrasound scan showed a 2 cm × 2 cm aneurysm of the left brachial artery at the level of the mid-upper arm. Whole-body magnetic resonance angiography (MRA) confirmed this was a true aneurysm of the brachial artery; there was good distal runoff and no other aneurysms elsewhere. Vasculitis screen was negative. Surgical excision of the aneurysm and reconstruction of the brachial artery was performed with a reversed cephalic vein graft. The patient made an uneventful recovery and was discharged home. We present an overview of the workup report and emphasise that a multi-disciplinary team approach is imperative for assessing and managing this rare condition.
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Affiliation(s)
- Chung Yan Vernon Lee
- Department of Plastic and Reconstructive Surgery, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Ibrahim Natalwala
- Department of Plastic and Reconstructive Surgery, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Nasim Tahir
- Department of Radiology, Leeds Teaching Hospitals NHS Trust, Leeds, UK
| | - Robert D Bains
- Department of Plastic and Reconstructive Surgery, Leeds Teaching Hospitals NHS Trust, Leeds, UK
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Waterford SD, Schwartz BG, Ferdinand FD, Kaczorowski DJ, Rizzoni WE. How to Do It: Trans brachial Impella Placement to Facilitate Percutaneous Coronary Intervention. Innovations (Phila) 2023; 18:372-375. [PMID: 37551678 DOI: 10.1177/15569845231190870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/09/2023]
Abstract
A 64-year-old man with diffusely diseased iliofemoral vessels and an ejection fraction of 20% to 25% presented with a non-ST elevation myocardial infarction and proximal left anterior descending (LAD) and left circumflex (LCx) coronary artery disease, with a chronically occluded right coronary artery. The iliofemoral system was not suitable for Impella placement, and bilateral axillary arteries were heavily calcified. The proximal left brachial artery was chosen for placement of both an Impella CP (Abiomed, Danvers, MA, USA) and percutaneous coronary intervention (PCI) sheath through a graft sewn to the brachial artery in this single-access technique. A 6 mm graft was sewn to the brachial artery, through which the Impella CP was placed. The Impella CP sheath was then used to introduce a 7F sheath for PCI. Successful PCI with drug-eluting stents was carried out to the LAD and LCx arteries, the Impella was weaned and removed, and the graft was stapled. The patient was discharged without any access or PCI complications. This report demonstrates the feasibility of the single-access Impella technique through a brachial artery cutdown approach.
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Affiliation(s)
- Stephen D Waterford
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center Hamot, Erie, PA, USA
| | - Bryan G Schwartz
- Department of Cardiology, University of Pittsburgh Medical Center Hamot, Erie, PA, USA
| | - Francis D Ferdinand
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center Hamot, Erie, PA, USA
| | - David J Kaczorowski
- Department of Cardiothoracic Surgery, University of Pittsburgh Medical Center, PA, USA
| | - Walter E Rizzoni
- Department of Surgery, University of Pittsburgh Medical Center Hamot, Erie, PA, USA
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Ko HJ, Liu CC, Hsu PJ, Hu KC, Hung CL, Yu LY, Huang YC, Shih SC. Risk assessment indicators and brachial-ankle pulse wave velocity to predict atherosclerotic cardiovascular disease. Medicine (Baltimore) 2022; 101:e29609. [PMID: 35960056 PMCID: PMC9371549 DOI: 10.1097/md.0000000000029609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
Brachial-ankle pulse wave velocity (baPWV) is used for predicting the severity of vascular damage and prognosis of atherosclerotic cardiovascular disease (ASCVD) in people with hypertension and diabetes mellitus. This correlation study aimed to compare the baPWV with other risk indicators for identification of subclinical vascular disease for primary prevention and to determine the clinical utility of baPWV-guided therapy in improving prognosis in high-risk subjects. We included 4881 subjects who underwent voluntary health examination at Mackay Memorial Hospital, Taiwan between 2014 and 2019. Participants were categorized into the low-risk (<5%), borderline-risk (5%-7.4%), intermediate-risk (7.5%-19.9%), and high-risk (≥20%) groups based on the 10-year risk for ASCVD. The predictive risk criteria, that is, the metabolic syndrome score, Framingham Risk Score, estimated glomerular filtration rate, and baPWV were compared among these groups. The chief cause of induced responses and the relationships between parameters were identified using principal component analysis. The participants' ages, body mass index, systolic, diastolic blood pressure, triglycerides, fasting glucose, hemoglobin A1c, creatinine, neutrophil-to-lymphocyte ratio, monocyte-to-lymphocyte ratio, metabolic syndrome, Framingham Risk Score, and age-related arterial stiffness (vascular age) increased significantly from the low-risk to high-risk groups (P < .001). The mean estimated glomerular filtration rate decreased significantly from the low- to high-risk groups (P < .001). The predicted vascular age and actual age differed significantly between the intermediate- and high-risk groups (P < .001). High-density lipoprotein levels plummeted significantly among the 4 groups (P < .001). The right and left baPWV and ankle brachial index differed significantly among the 4 groups (all P < .001) and increased from the low-risk to high-risk groups (P < .001). Carotid Doppler ultrasonography revealed a significant increase in plaque formation (23.5%, 35.4%, 46.3%, and 61.5% for the low-, borderline-, intermediate, and high-risk groups, respectively). The total explanatory variation was 61.9% for 2 principal variation factors (baPWV, 36.8% and creatinine, 25.1%). The vascular age predicted using baPWV greatly exceeded the chronological age. Plaque formation was significant even in the low-risk group, and its frequency increased with the predicted ASCVD risk. Risk indicators and baPWV are useful predictors of ASCVD, which in conjunction with conventional pharmacotherapy could be useful for primary prevention of plaque formation in subjects with cardiovascular comorbidities.
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Affiliation(s)
- Hung-Ju Ko
- Health Evaluation Center, Mackay Memorial Hospital, Taipei, Taiwan
| | - Chuan-Chuan Liu
- The Institute of Health Policy and Management, College of Public Health, National Taiwan University, Taipei, Taiwan
- Department of Physiology, Mackay Memorial Hospital, Taipei, Taiwan
- Mackay Junior College of Medicine, Nursing, and Management, Taipei City, Taiwan
- *Correspondence: Chuan-Chuan Liu, Department of Physiology, Mackay Memorial Hospital, 16F, No.92, Sec. 2, Chung-Shan North Road, Taipei 10449, Taiwan (e-mail: )
| | - Po-Jui Hsu
- Division of Laboratory Medicine, Mackay Memorial Hospital, Taipei, Taiwan
| | - Kuang-Chun Hu
- Health Evaluation Center, Mackay Memorial Hospital, Taipei, Taiwan
- Mackay Junior College of Medicine, Nursing, and Management, Taipei City, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
| | - Chung-Lieh Hung
- Mackay Medical College, Taipei, Taiwan
- Division of Cardiology, Department of Internal Medicine, MacKay Memorial Hospital, Taipei City, Taiwan
| | - Lo-Yip Yu
- Health Evaluation Center, Mackay Memorial Hospital, Taipei, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
| | - Yun-Chieh Huang
- Health Evaluation Center, Mackay Memorial Hospital, Taipei, Taiwan
| | - Shou-Chuan Shih
- Health Evaluation Center, Mackay Memorial Hospital, Taipei, Taiwan
- Department of Physiology, Mackay Memorial Hospital, Taipei, Taiwan
- Division of Gastroenterology, Department of Internal Medicine, Mackay Memorial Hospital, Taipei, Taiwan
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Yufa A, Mikael A, Gautier G, Yoo J, Vo TD, Tayyarah M, Behseresht D, Hsu J, Andacheh I. Percutaneous Axillary Artery Access for Peripheral and Complex Endovascular Interventions: Clinical Outcomes and Cost Benefits. Ann Vasc Surg 2021; 83:176-183. [PMID: 34954376 DOI: 10.1016/j.avsg.2021.11.027] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 11/13/2021] [Accepted: 11/22/2021] [Indexed: 12/20/2022]
Abstract
OBJECTIVES The aim of this study was to determine the safety, efficacy, and applicability of percutaneous axillary artery (pAxA) access in patients requiring upper extremity large sheath access during complex aortic, cardiac, and peripheral endovascular procedures. We also take this opportunity to address the potential cost-benefits offered by pAxA access compared to open upper extremity access. METHODS A total of 26 consecutive patients, between June 2018 and October 2020, underwent endovascular intervention, requiring upper extremity access (UEA). Ultrasound-guided, percutaneous access of the axillary artery was used in all 26 patients with off-label use of pre-close technique with Perclose ProGlide closure devices. Access sites accommodated sheath sizes that ranged from 6 to 14 French (F). End points were technical success and access site-related complications including isolated neuropathies, hematoma, distal embolization, access-site thrombosis, and post-operative bleeding requiring secondary interventions. Technical success was defined as successful arterial closure intraoperatively with no evidence of stenosis, occlusion, or persistent bleeding, requiring additional intervention. RESULTS Of the 26 patients requiring pAxA access, 15 underwent complex endovascular aortic aneurysm repairs (EVAR) with branched, fenestrated, snorkel, or parallel endografts, 6 underwent peripheral vascular interventions, and 5 underwent cardiac interventions. Fifty-three percent accommodated sheath sizes of 12F or higher. Technical success was achieved in 100% of cases with no major perioperative access complications requiring additional open or endovascular procedures. In our series, we had one post-operative mortality secondary to myocardial infarction in a patient with significant coronary artery disease. CONCLUSIONS Our data again demonstrated the proposed safety and efficacy attributable to pAxA access, while extending its application to wide spectrum of endovascular interventions which included peripheral or coronary vascular in addition to complex EVAR.
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Affiliation(s)
- Ann Yufa
- Albert Einstein Medical Center, 5501 Old York Road, Klein 510, PHILADELPHIA, PENNSYLVANIA 19141; University of California, Riverside School of Medicine, 900 University Ave., RIVERSIDE, CALIFORNIA 92521.
| | - Amarseen Mikael
- University of California, Riverside School of Medicine, 900 University Ave., RIVERSIDE, CALIFORNIA 92521; Riverside Community Hospital, 4445 Magnolia Ave., RIVERSIDE, CALIFORNIA 92501
| | - Gloryanne Gautier
- Albert Einstein Medical Center, 5501 Old York Road, Klein 510, PHILADELPHIA, PENNSYLVANIA 19141
| | - Joseph Yoo
- Albert Einstein Medical Center, 5501 Old York Road, Klein 510, PHILADELPHIA, PENNSYLVANIA 19141
| | - Trung Duong Vo
- Kaiser Permanente, Southern California Medical Group, 9961 Sierra Ave., Department of Surgery, FONTANA, CALIFORNIA 92335
| | - Majid Tayyarah
- Kaiser Permanente, Southern California Medical Group, 9961 Sierra Ave., Department of Surgery, FONTANA, CALIFORNIA 92335
| | - Darian Behseresht
- Kaiser Permanente, Southern California Medical Group, 9961 Sierra Ave., Department of Surgery, FONTANA, CALIFORNIA 92335
| | - Jeffrey Hsu
- Kaiser Permanente, Southern California Medical Group, 9961 Sierra Ave., Department of Surgery, FONTANA, CALIFORNIA 92335
| | - Iden Andacheh
- University of California, Riverside School of Medicine, 900 University Ave., RIVERSIDE, CALIFORNIA 92521; Kaiser Permanente, Southern California Medical Group, 9961 Sierra Ave., Department of Surgery, FONTANA, CALIFORNIA 92335
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Zócalo Y, Bia D. Sex- and Age-Related Physiological Profiles for Brachial, Vertebral, Carotid, and Femoral Arteries Blood Flow Velocity Parameters During Growth and Aging (4-76 Years): Comparison With Clinical Cut-Off Levels. Front Physiol 2021; 12:729309. [PMID: 34512398 PMCID: PMC8427671 DOI: 10.3389/fphys.2021.729309] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 07/26/2021] [Indexed: 02/04/2023] Open
Abstract
Ultrasound-derived blood flow velocity (BFV) levels [e.g., peak systolic velocity (PSV)], intrabeat indexes (e.g., resistive), and intersegment ratios [e.g., internal/common carotid artery (ICA/CCA) PSV ratio] are assessed to describe cardiovascular physiology and health status (e.g., disease severity evaluation and/or risk stratification). In this respect, fixed cut-off values (disregard of age or sex) have been proposed to define “significant” vascular disease from BFV-derived data (parameters). However, the use of single fixed cut-off values has limitations. Accurate use of BFV-derived parameters requires knowing their physiological age-related profiles and the expected values for a specific subject. To our knowledge, there are no studies that have characterized BFV profiles in large populations taking into account: (i) data from different age-stages (as a continuous) and transitions (childhood–adolescence–adulthood), (ii) complementary parameters, (iii) data from different arteries, and (iv) potential sex- and hemibody-related differences. Furthermore, (v) there is little information regarding normative data [reference intervals (RIs)] for BFV indexes. Aims: The aims of this study are the following: (a) to determine the need for age-, body side-, and sex-specific profiles for BFV levels and derived parameters (intrabeat indexes and intersegment ratios), and (b) to define RIs for BFV levels and parameters, obtained from CCA, ICA, external carotid, vertebral, femoral, and brachial arteries records. Methods: A total of 3,619 subjects (3–90 years) were included; 1,152 were healthy (without cardiovascular disease and atheroma plaques) and non-exposed to cardiovascular risk factors. BFV data were acquired. The agreement between left and right data was analyzed (Concordance correlation, Bland–Altman). Mean and SD equations and age-related profiles were obtained for BFV levels and parameters (regression methods; fractional polynomials). Results: Left and right body-side derived data were not always equivalent. The need for sex-specific RIs was dependent on the parameter and/or age considered. RIs were defined for each studied artery and parameter. Percentile curves were compared with recommended fixed cut-off points. The equations for sex, body-side, and age-specific BFV physiological profiles obtained in the large population (of children, adolescents, and adults) studied were included (spreadsheet formats), enabling to determine for a particular subject, the expected values and potential data deviations.
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Affiliation(s)
- Yanina Zócalo
- Physiology Department, School of Medicine, CUiiDARTE, Republic University, Montevideo, Uruguay
| | - Daniel Bia
- Physiology Department, School of Medicine, CUiiDARTE, Republic University, Montevideo, Uruguay
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Ferris S, Withers A, Shukla L. Defining the Reliability of Deltoid Reanimation by Nerve Transfer When Using Abnormal but Variably Recovered Triceps Donor Nerves. Front Surg 2021; 8:691545. [PMID: 34262934 PMCID: PMC8273274 DOI: 10.3389/fsurg.2021.691545] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Accepted: 05/26/2021] [Indexed: 11/26/2022] Open
Abstract
Upper brachial plexus injuries to the C5/6 roots or axillary nerve can result in severe deficits in upper limb function. Current techniques to reinnervate the deltoid muscle utilise the well-described transfer of radial nerve branches to triceps to the axillary nerve. However, in around 25% of patients, there is a failure of sufficient deltoid reinnervation. It is unclear in the literature if deltoid reanimation should be attempted with a nerve transfer from a weak but functioning triceps nerve. The authors present the largest series of triceps to axillary nerve transfers for deltoid reanimation in order to answer this clinical question. Seventy-seven consecutive patients of a single surgeon were stratified and analysed in four groups: (1) normal triceps at presentation, (2) abnormal triceps at presentation recovering to clinically normal function preoperatively, (3) abnormal triceps at presentation remaining abnormal preoperatively, and lastly (4) where pre-operative triceps function was deemed insufficient for use, requiring alternative reconstruction for deltoid reanimation. The authors considered deltoid re-animation of ≥ M4 as successful for the purpose of this study. Median Medical Research Council (MRC) values demonstrate group 1 achieves this successfully (M5), while median values for groups 2–4 result in M4 power (albeit with decreasing interquartile ranges). Median post-operative shoulder abduction active range of motion (AROM) values were represented by 170° (85–180) in group 1, 117.5° (97.5–140) in group 2, 90° (35–150) in group 3, and 60° (40–155) in group 4. For both post-operative assessments, subgroup analyses demonstrated statistically significant differences when comparing group 1 with groups 3 and 4 (p < 0.05), while all the other group to group pairwise comparisons did not reach significance. The authors postulated that triceps deficiency can act as a surrogate marker of a more extensive plexus injury and may predict poorer outcomes if the weakness persists representing the trending differences between groups 2 and 3. However, given no statistical differences were demonstrated between groups 3 and 4, the authors conclude that utilising an abnormal triceps nerve that demonstrates sufficient strength and redundancy intraoperatively is preferable to alternative transfers for deltoid reanimation. Lastly, in group 4 patients where triceps nerves are damaged and unusable for nerve transfer, alternative operations can also achieve sufficient outcomes and should be considered for restoration of shoulder abduction.
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Affiliation(s)
- Scott Ferris
- Plastic, Hand and Faciomaxillary Surgery, The Alfred Hospital, Prahan, VIC, Australia.,Department of Plastic and Reconstructive Surgery, St. Vincent's Private Hospital, East Melbourne, VIC, Australia
| | - Aaron Withers
- Department of Plastic and Reconstructive Surgery, St. Vincent's Private Hospital, East Melbourne, VIC, Australia
| | - Lipi Shukla
- Plastic, Hand and Faciomaxillary Surgery, The Alfred Hospital, Prahan, VIC, Australia.,Department of Plastic and Reconstructive Surgery, St. Vincent's Private Hospital, East Melbourne, VIC, Australia
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Ferris S, Alexander W. Ulnar and Median Fascicular Transfers for Elbow Flexion-Predicting Outcomes in a Heterogeneous Patient Group and Implications for Surgical Planning. Front Surg 2020; 7:567602. [PMID: 33344497 PMCID: PMC7746647 DOI: 10.3389/fsurg.2020.567602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2020] [Accepted: 11/09/2020] [Indexed: 11/13/2022] Open
Abstract
Purpose: To measure the outcomes in patients undergoing nerve transfers for elbow flexion restoration, and compare patient outcomes based on the pre-operative fascicular transfer plan. Methods: Single surgeon series of 48 consecutive patients who underwent median and/or ulnar fascicular nerve transfers for elbow flexion restoration to treat palsies of the brachial plexus or musculocutaneous nerve. Outcomes measured were Medical Research Council (MRC) power grade, strength in kilograms, and time taken to recover function. Results: Overall, 96% of patients achieved MRC M4 or greater power. The subgroup who were planned for, and particularly those who then underwent, double as opposed to single fascicular transfer, had significantly better results. Conclusions: Overall results were excellent. Double fascicular transfers were superior, with no failures in this group. If pre-operatively a single fascicle transfer alone is planned due to a paucity of expendable donors, the predicted outcomes are worse and other treatment options should be considered.
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Affiliation(s)
- Scott Ferris
- Department of Plastic, Hand and Faciomaxillary Surgery, Alfred Health, Melbourne, VIC, Australia.,Victorian Plastic Surgery Unit, St. Vincent's Private Hospital, East Melbourne, VIC, Australia
| | - William Alexander
- Department of Plastic and Maxillofacial Surgery Unit, Royal Children's Hospital Melbourne, Parkville, VIC, Australia.,Victorian Hand Surgery Associates, Fitzroy, VIC, Australia
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Salemis NS, Nakos G, Stavrinou N, Spiliopoulos K. Metastatic brachial plexopathy as the initial manifestation of breast cancer. Breast J 2020; 26:2409-2411. [PMID: 33089592 DOI: 10.1111/tbj.14096] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 10/02/2020] [Accepted: 10/02/2020] [Indexed: 11/30/2022]
Affiliation(s)
- Nikolaos S Salemis
- Breast Cancer Surgery Unit, Army General Hospital, Athens, Greece.,IASO Women's Hospital, Athens, Greece.,IASO Thessalias Hospital, Larissa, Greece
| | - Georgios Nakos
- Department of Pathology, Army General Hospital, Athens, Greece
| | | | - Kyriakos Spiliopoulos
- Department of Thoracic and Cardiovascular Surgery, Larissa University Hospital, Larissa, Greece
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Wilkerson J, Napierala M, Shalhub S, Warme WJ. Axillary artery intimal dissection with thrombosis and brachial plexus injury after reverse total shoulder arthroplasty. J Shoulder Elbow Surg 2019; 28:e393-7. [PMID: 31636009 DOI: 10.1016/j.jse.2019.07.044] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2019] [Accepted: 07/02/2019] [Indexed: 02/01/2023]
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Lind L. A detailed lipoprotein profile in relation to intima-media thickness and echogenicity of three major arteries. Clin Physiol Funct Imaging 2019; 39:415-421. [PMID: 31529768 DOI: 10.1111/cpf.12594] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Accepted: 09/09/2019] [Indexed: 12/01/2022]
Abstract
OBJECTIVE To investigate differences in risk-factor profile, with special emphasis on detailed characterization of the lipoprotein profile, for intima-media thickness (IMT) and echogenicity of the intima-media complex (IM-GSM) in three major arteries: the carotid, femoral and brachial arteries. METHODS IMT and IM-GSM were measured by ultrasound in the carotid, femoral and brachial arteries in 778 subjects, all aged 75 years (50% women), in the Prospective Investigation of the Vasculature in Uppsala Seniors (PIVUS) study, in which a detailed lipoprotein profile was also determined by nuclear magnetic resonance spectroscopy. RESULTS First, IMT was considerably lower, and IM-GSM higher, in the brachial artery compared to the other two arteries. Second, IMT and IM-GSM in the arteries were related to each other. Third, significant different traditional risk-factor profiles were seen for both IMT and IM-GSM, with generally weaker relationships for IMT in the femoral and brachial arteries compared with the carotid artery. Fourth, the strength of associations between an atherogenic lipoprotein profile and IMT in the carotid artery was attenuated in the femoral artery and virtually absent in the brachial artery. Fifth, slightly different lipoprotein profiles were seen for IM-GSM in the three arteries. CONCLUSION Differences between the carotid, femoral and brachial artery IMT and IM-GSM were seen regarding the traditional risk factors, as well as the lipoprotein profile.
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Affiliation(s)
- Lars Lind
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
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13
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Shah AS, Kalish LA, Bae DS, Peljovich AE, Cornwall R, Bauer AS, Waters PM. Early Predictors of Microsurgical Reconstruction in Brachial Plexus Birth Palsy. Iowa Orthop J 2019; 39:37-43. [PMID: 31413672 PMCID: PMC6604547] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
BACKGROUND Microsurgical reconstruction is indicated for infants with brachial plexus birth palsy (BPBP) that demonstrate limited spontaneous neurological recovery. This investigation defines the demographic, perinatal, and physical examination characteristics leading to microsurgical reconstruction. METHODS Infants enrolled in a prospective multicenter investigation of BPBP were evaluated. Microsurgery was performed at the discretion of the treating provider/center. Inclusion required enrollment prior to six months of age and follow-up evaluation beyond twelve months of age. Demographic, perinatal, and examination characteristics were investigated as possible predictors of microsurgical reconstruction. Toronto Test scores and Hospital for Sick Children Active Movement Scale (AMS) scores were used if obtained prior to three months of age. Univariate and multivariate logistic regression analyses were performed. RESULTS 365 patients from six regional medical centers met the inclusion criteria. 127 of 365 (35%) underwent microsurgery at a median age of 5.4 months, with microsurgery rates and timing varying significantly by site. Univariate analysis demonstrated that several factors were associated with microsurgery including race, gestational diabetes, neonatal asphyxia, neonatal intensive care unit admission, Horner's syndrome, Toronto Test score, and AMS scores for finger/thumb/wrist flexion, finger/thumb extension, wrist extension, elbow flexion, and elbow extension. In multivariate analysis, four factors independently predicted microsurgical intervention including Horner's syndrome, mean AMS score for finger/thumb/ wrist flexion <4.5, AMS score for wrist extension <4.5, and AMS score for elbow flexion <4.5. In this cohort, microsurgical rates increased as the number of these four factors present increased from zero to four: 0/4 factors = 0%, 1/4 factors = 22%, 2/4 factors = 43%, 3/4 factors = 76%, and 4/4 factors = 93%. CONCLUSIONS In patients with BPBP, early physical examination findings independently predict microsurgical intervention. These factors can be used to provide counseling in early infancy for families regarding injury severity and plan for potential microsurgical intervention.Level of Evidence: Prognostic Level I.
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Affiliation(s)
- Apurva S. Shah
- The Children’s Hospital of Philadelphia, Division of Orthopaedics, Philadelphia, PA
| | - Leslie A. Kalish
- Boston Children’s Hospital, Department of Orthopaedic Surgery, Boston, MA
| | - Donald S. Bae
- Boston Children’s Hospital, Department of Orthopaedic Surgery, Boston, MA
| | | | - Roger Cornwall
- Cincinnati Children’s Hospital, Division of Orthopaedics, Cincinnati, OH
| | - Andrea S. Bauer
- Boston Children’s Hospital, Department of Orthopaedic Surgery, Boston, MA
| | - Peter M. Waters
- Boston Children’s Hospital, Department of Orthopaedic Surgery, Boston, MA
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Alfonso Alvarez-Rodríguez J, García-Suárez M, Fernández-García D, Méndez-Martínez C, Gómez-Salgado J. Analysis of peripheral central venous access ports at the forearm: An observational study. Eur J Cancer Care (Engl) 2018; 27:e12929. [PMID: 30298954 DOI: 10.1111/ecc.12929] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Revised: 01/16/2018] [Accepted: 08/22/2018] [Indexed: 01/27/2023]
Abstract
The aim of this study was to analyse the characteristics of central venous catheters with brachial-implanted reservoirs and the complications associated with their use over a 4-years period. This observational study was carried out in an onco-haematological day hospital in Spain. Information was collected about 125 catheters inserted in patients requiring intravenous chemotherapy. There were more catheters implanted in women than men and the mean age was 58.6 years. Seventy of the implanted catheters were made of polyurethane and 55 of silicone. Left laterality prevailed with a mean catheter dwell-time of 347.1 days. A total of 164 complications were registered, 124 of them came from blood draws, where the most frequent complication was "inability to withdraw, ability to infuse". Forty complications were associated with the administration of treatments. Furthermore, there were 21 catheter removals, caused by several other complications different from those mentioned before. Statistically significant differences were found when associating types of catheters, laterality, blood draws and administration of treatments. Results showed how silicone ports would be more appropriate for patients who carry these types or ports than polyurethane because they reduce the number of complications causes by thrombosis.
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Affiliation(s)
| | | | | | | | - Juan Gómez-Salgado
- Department of Nursing, Faculty of Nursing, Universidad de Huelva, Huelva, Spain.,Espíritu Santo University, Guayaquil,Ecuador
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15
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Villa G, Chelazzi C, Giua R, Lavacchini L, Tofani L, Zagli G, Barbani F, De Gaudio AR, Romagnoli S, Pinelli F. The Valsalva manoeuvre versus tourniquet for venipuncture. J Vasc Access 2018; 19:436-440. [PMID: 29562836 DOI: 10.1177/1129729818757977] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND During ultrasound-guided cannulation, venous filling is required for venipuncture. Tourniquet with an elastic tube at the axilla is the most common method to induce venous stasis for cannulation of the deep veins of the arm. Although effective, this method might be associated with short- and long-term complications. Valsalva manoeuvre has been used to produce venous filling in other extrathoracic veins. The aim of this observational study is to demonstrate the effect of Valsalva manoeuvre in respect of the elastic tourniquet on venous distention during echography-guided cannulation of the deep veins of the arm. METHOD Sixty-nine patients scheduled for cannulation of basilic or brachial vein were prospectively observed. Vein diameters were recorded at rest and after 10 s of Valsalva or tourniquet placement. RESULTS The mean difference between basilic vein diameters during tourniquet and Valsalva manoeuvre was 0.006 mm (95% confidence interval = -inf, 0.09) with a standard deviation of 0.5 mm (95% confidence interval = 0.5, 0.7; p > 0.01). The mean difference between brachial vein diameters during tourniquet and Valsalva manoeuvre was 0.04 mm (95% confidence interval = -0.23, 0.15) with a standard deviation of 0.8 mm (95% confidence interval = 0.7, 0.9; p > 0.01). DISCUSSION This increase in cross-sectional basilic and brachial vein diameters was not different to that obtained with the elastic tube tourniquet.
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Affiliation(s)
- Gianluca Villa
- 1 Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Florence, Italy.,2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Cosimo Chelazzi
- 2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Rosa Giua
- 1 Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Florence, Italy
| | - Laura Lavacchini
- 1 Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Florence, Italy
| | - Lorenzo Tofani
- 3 Department of Neurosciences, Psychology, Drug Research and Child Health, University of Florence, Florence, Italy
| | - Giovanni Zagli
- 2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Francesco Barbani
- 2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - A Raffaele De Gaudio
- 1 Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Florence, Italy.,2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Stefano Romagnoli
- 1 Department of Health Science, Section of Anaesthesia and Intensive Care, University of Florence, Florence, Italy.,2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
| | - Fulvio Pinelli
- 2 Department of Anesthesia and Intensive Care, Azienda Ospedaliero-Universitaria Careggi, Florence, Italy
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Abstract
Objective: To share our experience regarding the management of arterial injuries in children with pulseless hand secondary to supracondylar fracture of the humerus (SFH). Patients and Methods: All consecutive children with pulseless hands after SFH who were being treated in the vascular surgery units of the Combined Military Hospital, Lahore and Peshawar between September 2011 and September 2016 were included. The type of fracture, mode and pattern of injury, time from injury to definitive treatment, operative treatment, and complications were recorded. Results: There were 55 [82% (n=45) male and 18% (n=10) female] patients with pulseless hand and SFH [Gartland type III: 18% (n=10) and IV: 82% (n=45)]. The hand was cold in 38.1% (n=21) patients and warm in 61.8% (n=34). The most common mode of injury was accidental fall [45% (n=25)], and the mean time from injury to presentation was 4±2.5 hours (mean±standard deviation). Overall, 71% (n=39) patients underwent vascular reconstruction: autologous interposition venous grafting was performed in 49% (n=19) and segmental resection and primary anastomosis in 25% (n=10) of the cases. There were no cases with amputation, fasciotomy, re-exploration, or long-term ischemic sequel. Conclusion: Immediate vascular exploration is the treatment of choice for cold, pulseless hand. A similar approach should be adopted for warm, pulseless hand if there is no immediate return of pulse.
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Affiliation(s)
- Rashid Usman
- Department of Vascular Surgery, Combined Military Hospital, Lahore Cantt, Pakistan
| | - Muhammad Jamil
- Department of Vascular Surgery, Combined Military Hospital, Peshawar Cantt, Pakistan
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17
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Abstract
Elbow dislocation, though a common orthopaedic emergency is rare with brachial artery injury and is even more uncommon in the paediatric age group. We present the case of a child who sustained trauma resulting in closed elbow dislocation with brachial artery injury. Elbow dislocation with brachial artery injury can present with palpable distal pulses and good capillary refill because of rich collaterals at the elbow. But this patient presented with signs of frank ischemia distally, and was managed with ipsilateral reverse cephalic vein graft. He had good volume pulses at one year follow-up. Patients with such presentation should have careful clinical and radiological assessment to exclude complicated elbow dislocation.
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Affiliation(s)
- K Vickash
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - A Amer
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - A Naeem
- Department of Orthopaedic and Spine Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
| | - S Falak
- Department Of Plastic and Hand Surgery, Ghurki Trust Teaching Hospital Lahore, Pakistan
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18
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Abstract
Any kind of anatomical variation whether encountered during cadaveric dissections or routine clinical or surgical procedures needs to be reported and taken into account. This can be quite helpful in planning surgeries accordingly and avoid disastrous complications. During routine cadaveric dissection, authors found a superficial course of arteries of the arm as well as the forearm, unilaterally in one cadaver. In this case, there were two brachial arteries – superficial and deep. Superficial brachial artery terminated into superficial radial and superficial ulnar artery. Deep brachial artery was trifurcated into common interosseous, medial and lateral artery branches. Authors have also discussed the developmental anomaly, which could have led to the observed morphological variation. Superficial vessels can provide large size pedicles for raising flaps for local reconstructive surgeries in the region of axilla, elbow, wrist or hand, or other regions.
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Affiliation(s)
- Richa Gupta
- Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Anjali Aggarwal
- Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Tulika Gupta
- Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Harjeet Kaur
- Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Sunil Gaba
- Department of Plastic and Reconstructive Surgery, Postgraduate Institute of Medical Education and Research, Chandigarh, India
| | - Daisy Sahni
- Department of Anatomy, Postgraduate Institute of Medical Education and Research, Chandigarh, India
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Abstract
Acute onset of digital ischemia and infarction is an unusual complication in patients undergoing hemodialysis. This is a report of a patient on regular hemodialysis who presented with acute distal extremity ischemia, progressing to digital infarction and on evaluation was found to have thrombosis of brachial arteriovenous fistula with embolization to the distal arteries causing digital artery occlusion.
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Affiliation(s)
- Anupama Yj
- Department of Nephrology, Nanjappa Hospital, Shimoga, Karnataka, India
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20
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Kusztal M, Letachowicz K, Gołębiowski T, Wątorek E, Szyber P, Garcarek J, Weyde W, Klinger M. Iatrogenic or congenital arteriovenous fistula of left upper arm used for hemodialysis after venous superficialization. Hemodial Int 2014; 19:140-3. [PMID: 24991695 DOI: 10.1111/hdi.12191] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The authors report a case of iatrogenic brachial arteriovenous fistula (AVF) on the left arm in a 20-year-old man with a history of autosomal dominant polycystic kidney and failing kidney transplant. An attempt to create vascular access for hemodialysis by utilization of an existing iatrogenic brachial AVF was undertaken. The patient underwent surgical superficialization of a concomitant enlarged and deeply located vein. Four weeks after the procedure, the AVF was successfully cannulated for hemodialysis. In this case, iatrogenic/congenital AVF was successfully converted to vascular access for hemodialysis.
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Affiliation(s)
- Mariusz Kusztal
- Nephrology and Transplantation Medicine, Wroclaw Medical University, Wroclaw, Poland
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21
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Nalini A, Gourie-Devi M, Thennarasu K, Ramalingaiah AH. Monomelic amyotrophy: clinical profile and natural history of 279 cases seen over 35 years (1976-2010). Amyotroph Lateral Scler Frontotemporal Degener 2014; 15:457-65. [PMID: 24853410 DOI: 10.3109/21678421.2014.903976] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Our objective was to study the clinical characteristics and natural history of monomelic amyotrophy (MMA). We used a retrospective study of 279 patients diagnosed to have either upper (Hirayama disease) or lower limb MMA. Results showed that brachial MMA (BMMA) occurred in 224 patients (male:female, 9:1). Mean age of onset was 19.5 ± 4.18 years. Progression occurred over less than five years in the majority (95.9%) of patients. Duration at the last follow-up was: up to five years in 61.4%, 5-10 in 21.3%, 10-15 in 7.2%, > 15 years in 10.1%. MRI showed asymmetrical lower cervical cord atrophy in 44.6% of patients. Crural MMA (CMMA) occurred in 55 patients (male:female, 13:1). Mean age of onset was 21.38 ± 5.3 years. Similar to BMMA, most cases (65.5%) had onset between 15 and 25 years of age. Total duration of illness at the last follow-up was up to five years in 52.7%, 10 and beyond in 47.3%. In conclusion, a large cohort of patients with monomelic amyotrophy seen over 35 years (1976-2010) is described. Study data support the clinical findings and its natural history with long term follow-up, and the findings emphasize that monomelic amyotrophy is a 'benign' condition with a self-limiting course.
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Affiliation(s)
- Atchayaram Nalini
- Department of Neurology, National Institute of Mental Health and Neurosciences , Bangalore , India
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22
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Pawley MDM, Martinsen P, Mitchell SJ, Cheeseman JF, Merry AF, Willcox T, Grieve R, Nand P, Davies E, Warman GR. Brachial arterial temperature as an indicator of core temperature: proof of concept and potential applications. J Extra Corpor Technol 2013; 45:86-93. [PMID: 23930377 PMCID: PMC4557585] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 12/03/2012] [Accepted: 03/28/2013] [Indexed: 06/02/2023]
Abstract
There is potential for heat loss and hypothermia during anesthesia and also for hyperthermia if heat conservation and active warming measures are not accurately titrated. Accurate temperature monitoring is particularly important in procedures in which the patient is actively cooled and then rewarmed such as during cardiopulmonary bypass surgery (CPB). We simultaneously measured core, nasopharyngeal, and brachial artery temperatures to investigate the last named as a potential peripheral temperature monitoring site. Ten patients undergoing hypothermic CPB were instrumented for simultaneous monitoring of temperatures in the pulmonary artery (PA), aortic arterial inflow (AI), nasopharynx (NP), and brachial artery (BA). Core temperature was defined as PA temperature before and after CPB and the AI temperature during CPB. Mean deviations of BA and NP temperatures from core temperature were calculated for three steady-state periods (before, during, and after CPB). Mean deviation of BA and NP temperatures from AI temperature was also calculated during active rewarming. A total of 1862 measurements were obtained and logged from eight patients. Mean BA and NP deviations from core temperature across the steady-state periods (before, during, and after CBP) were, respectively: .23 +/- .25, -.26 +/- .3, and -.09 +/- .05 degrees C (BA), and .11 +/- .19, -.1 +/- .47, and -.04 +/- .3 degrees C (NP). During steady-state periods, there was no evidence of a difference between the mean BA and NP deviation. During active rewarming, the mean difference between the BA and AI temperatures was .14 +/- .36 degrees C. During this period, NP temperature lagged behind AI and BA temperatures by up to 41 minutes and was up to 5.3 degres C lower than BA (mean difference between BA and NP temperatures was 1.22 +/- .58 degrees C). The BA temperature is an adequate surrogate for core temperature. It also accurately tracks the changing AI temperature during rewarming and is therefore potentially useful in detecting a hyperthermic perfusate, which might cause cerebral hyperthermia.
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Affiliation(s)
- Matthew D M Pawley
- Department of Anaesthesiology, Faculty of Medical and Health Sciences, University of Auckland, Auckland, New Zealand.
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Abstract
To most doctors, brachial and lumbosacral plexopathies are known as difficult disorders, because of their complicated anatomy and relatively rare occurrence. Both the brachial, lumbar, and sacral plexuses are extensive PNS structures stretching from the neck to axillary region and running in the paraspinal lumbar and pelvic region, containing 100000-200000 axons with 12-15 major terminal branches supplying almost 50 muscles in each limb. The most difficult part in diagnosing a plexopathy is probably that it requires an adequate amount of clinical suspicion combined with a thorough anatomical knowledge of the PNS and a meticulous clinical examination. Once a set of symptoms is recognized as a plexopathy the patients' history and course of the disorder will often greatly limit the differential diagnosis. The most common cause of brachial plexopathy is probably neuralgic amyotrophy and the most common cause of lumbosacral plexopathy is diabetic amyotrophy. Traumatic and malignant lesions are fortunately rarer but just as devastating. This chapter provides an overview of both common and rarer brachial and lumbosacral plexus disorders, focusing on clinical examination, the use of additional investigative techniques, prognosis, and treatment.
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Affiliation(s)
- Nens van Alfen
- Department of Neurology and Clinical Neurophysiology, Radboud University Nijmegen Medical Centre, The Netherlands.
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Abstract
Peripheral vascular disease affects some 12%-14% of the general population, and the majority of people with the disease are asymptomatic. The ankle brachial pressure index (ABPI) test is widely used by a diverse range of practitioners (in the community and hospital setting) in order to screen asymptomatic patients, diagnose patients with clinical symptoms, and to monitor patients who have had radiological or surgical intervention. This paper explains the theoretical basis of the ABPI test, as well as the relevance of the common modifications of the test. It explores the background to the quoted normal ranges for the ABPI test. It reviews the large body of literature that has developed on the association between ABPI and cardiovascular risk, as well as ABPI as a predictor for cardiovascular morbidity and mortality, highlighting the evidence that can inform practice. The review looks critically at the limitations of the ABPI test, providing practitioners with an evidence-based update on the importance and challenges of standardizing ABPI methodology. This paper highlights the influence of the key technical aspects of the ABPI test that all practitioners need to consider in order to be able to make more reliable and informed management decisions based on ABPI findings.
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Affiliation(s)
- Mo Al-Qaisi
- Imperial College, Suite 280, 28 Old Brompton Road, London SW7 3SS, UK.
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