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Saldanha U, Aldwinkle R, Chen A, Raut S, Penta D, Valazquez YA, Sen S. Fascia iliaca catheters for donor site pain after split-thickness skin grafting for acute burn injury: a retrospective review. J Burn Care Res 2024:irae052. [PMID: 38512052 DOI: 10.1093/jbcr/irae052] [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] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Indexed: 03/22/2024]
Abstract
The management of acute burn pain poses significant challenges. Regional techniques have become increasingly popular in perioperative burn pain management. Continuous nerve block catheters are particularly useful for split thickness skin grafts where donor site pain can exceed that of the burn-injured site. Donor skin is frequently harvested from the anterolateral thigh. The fascia iliaca (FI) compartment block provides blockade of both the lateral femoral cutaneous nerve and the femoral nerve and thus, it is a useful modality for burn donor pain. Our institution initiated a protocol in which continuous fascia iliaca catheters were placed in patients undergoing split-thickness skin grafting of the anterolateral thigh. This retrospective review seeks to assess the impact of this modality on post-operative pain scores and opioid requirements. Oral morphine equivalent administration was significantly lower in the FI group than the control group starting with POD 0, which is the day of the FI catheter insertion (188 vs 327mg, p<0.001). Over the next 4 postoperative days, OME administration remained lower in the FI group compared to control patients, although not statistically significant on POD 3-4. There was a significant difference in OME administered between the FI group and the control group on POD 5 (159.5 vs 209.2mg, p<0.05). Our retrospective study evaluating the role of fascia iliaca catheters in burn patients undergoing split thickness skin grafting surgery showed significantly lower opioid consumption on postoperative days 1-5 compared to patients without a fascia iliaca catheter.
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Affiliation(s)
- Usha Saldanha
- Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, 4150 V Street Suite 1200 PSSB, Sacramento, CA 95817, United States of America
| | - Robin Aldwinkle
- Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, 4150 V Street Suite 1200 PSSB, Sacramento, CA 95817, United States of America
| | - Amy Chen
- Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, 4150 V Street Suite 1200 PSSB, Sacramento, CA 95817, United States of America
| | - Snehal Raut
- Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, 4150 V Street Suite 1200 PSSB, Sacramento, CA 95817, United States of America
| | - Deepthi Penta
- Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, 4150 V Street Suite 1200 PSSB, Sacramento, CA 95817, United States of America
| | - Yakelin Arroyo Valazquez
- University of California, Davis School of Medicine, 4610 X Street Sacramento , CA 95817, United States of America
| | - Soman Sen
- Department of Surgery, University of California Medical Center, 2315 Stockton Blvd. Sacramento, CA 95817, United States of America
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Penta DL, Saldanha U, Liu H. Paravertebral block for analgesia following excision of osteochondroma of the scapula: A case report. J Biomed Res 2023; 37:401-404. [PMID: 37705088 PMCID: PMC10541773 DOI: 10.7555/jbr.37.20230048] [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] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 05/23/2023] [Accepted: 05/25/2023] [Indexed: 09/15/2023] Open
Abstract
Scapular surgery has mainly been studied in the setting of fractures; regional anesthesia can be utilized as part of a multimodal analgesia regimen for postoperative pain relief. Previous studies are limited to scapular fracture pain. The available literature supports the use of various types of nerve blocks and even combinations of different blocks, of which the paravertebral nerve block is one such block that has been effective. We present a case of a patient undergoing excision of a scapular osteochondroma who received a single-shot paravertebral nerve block after surgery with an effective analgesia.
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Affiliation(s)
- Deepthi L. Penta
- Department of Anesthesiology and Pain Medicine, University of California, Davis Health, Sacramento, CA 95817, USA
| | - Usha Saldanha
- Department of Anesthesiology and Pain Medicine, University of California, Davis Health, Sacramento, CA 95817, USA
| | - Hong Liu
- Department of Anesthesiology and Pain Medicine, University of California, Davis Health, Sacramento, CA 95817, USA
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Calixto NE, Saldanha U. Perineural Adductor Canal Catheter Placement for Prevention of Complex Regional Pain Syndrome-I Exacerbation After Knee Arthroscopy: A Case Report. A A Pract 2022; 16:e01579. [PMID: 35404910 DOI: 10.1213/xaa.0000000000001579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Arthroscopic knee surgery is a common trigger for lower extremity complex regional pain syndrome (CRPS). Few studies assess nerve block catheters for CRPS treatment; they do not appear to be studies of regional anesthesia to treat CRPS that occurs after knee surgery. We present a case of CRPS-I triggered by knee surgery on multiple prior occasions but finally prevented by perineural adductor canal catheter placement. The literature presents only moderate evidence supporting interventions such as intravenous regional anesthesia and sympathetic blockade; continuous nerve blockade may be an effective treatment of CRPS-I and in particular postoperative CRPS-I.
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Affiliation(s)
- Nathaniel E Calixto
- From the Department of Anesthesiology and Pain Medicine, University of California, Davis Medical Center, Sacramento, California
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Li Y, Lal B, Kwon S, Fan X, Saldanha U, Reznik TE, Kuchner EB, Eberhart C, Laterra J, Abounader R. The scatter factor/hepatocyte growth factor: c-met pathway in human embryonal central nervous system tumor malignancy. Cancer Res 2005; 65:9355-62. [PMID: 16230398 DOI: 10.1158/0008-5472.can-05-1946] [Citation(s) in RCA: 87] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Embryonal central nervous system (CNS) tumors, which comprise medulloblastoma, are the most common malignant brain tumors in children. The role of the growth factor scatter factor/hepatocyte growth factor (SF/HGF) and its tyrosine kinase receptor c-Met in these tumors has been until now completely unknown. In the present study, we show that human embryonal CNS tumor cell lines and surgical tumor specimens express SF/HGF and c-Met. Furthermore, c-Met mRNA expression levels statistically significantly correlate with poor clinical outcome. Treatment of medulloblastoma cells with SF/HGF activates c-Met and downstream signal transduction as evidenced by c-Met, mitogen-activated protein kinase, and Akt phosphorylation. SF/HGF induces tumor cell proliferation, anchorage-independent growth, and cell cycle progression beyond the G1-S checkpoint. Using dominant-negative Cdk2 and a degradation stable p27 mutant, we show that cell cycle progression induced by SF/HGF requires Cdk2 function and p27 inhibition. SF/HGF also protects medulloblastoma cells against apoptosis induced by chemotherapy. This cytoprotective effect is associated with reduction of proapoptotic cleaved poly(ADP-ribose) polymerase and cleaved caspase-3 proteins and requires phosphoinositide 3-kinase activity. SF/HGF gene transfer to medulloblastoma cells strongly enhances the in vivo growth of s.c. and intracranial tumor xenografts. SF/HGF-overexpressing medulloblastoma xenografts exhibit increased invasion and morphologic changes that resemble human large cell anaplastic medulloblastoma. This first characterization establishes SF/HGF:c-Met as a new pathway of malignancy with multifunctional effects in human embryonal CNS tumors.
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Affiliation(s)
- Yunqing Li
- Department of Neurology, Johns Hopkins University School of Medicine, MD 21205, USA
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