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Stephens IJB, Murphy B, Burns L, McCawley N, McNamara DA, Burke JP. Contemporary perioperative outcomes after total abdominal colectomy for ulcerative colitis in a tertiary referral centre. Eur J Gastroenterol Hepatol 2024; 36:578-583. [PMID: 38489595 DOI: 10.1097/meg.0000000000002755] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/17/2024]
Abstract
OBJECTIVE Colectomy for ulcerative colitis (UC) is common despite therapeutic advances. Post-operative morbidity and mortality demonstrate an association between hospital volumes and outcomes. This single-centre retrospective study examines outcomes after emergency colectomy for UC. METHODS Patient demographics, perioperative variables and outcomes were collected in Beaumont Hospital between 2010 and 2023. Univariant analysis was used to assess relationships between perioperative variables and morbidity and length of stay (LOS). RESULTS A total of 115 patients underwent total abdominal colectomy with end ileostomy for UC, 8.7 (±3.8) per annum. Indications were refractory acute severe colitis (88.7%), toxic megacolon (6.1%), perforation (4.3%), or obstruction (0.9%). Over 80% of cases were performed laparoscopically. Pre-operative steroid (93%) and biologic (77.4%) use was common. Median post-operative LOS was 8 days (interquartile range 6-12). There were no 30-day mortalities, and 30-day post-operative morbidity was 38.3%. There was no association between time to colectomy ( P = 0.85) or biologic use ( P = 0.24) and morbidity. Increasing age was associated with prolonged LOS ( P = 0.01). Laparoscopic approach (7 vs. 12 days P =0.01, 36.8% vs. 45% P = 0.66) was associated with reduced LOS and morbidity. CONCLUSION This study highlights contemporary outcomes after emergency colectomy for UC at a specialist high-volume, tertiary referral centre, and superior outcomes after laparoscopic surgery in the biologic era.
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Affiliation(s)
- Ian J B Stephens
- Department of Colorectal Surgery, Beaumont Hospital, Dublin, Ireland
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2
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Violante T, Murphy B, Ferrari D, Graham RP, Navin P, Merchea A, Larson DW, Dozois EJ, Halfdanarson TR, Perry WR. Presacral Neuroendocrine Neoplasms: A Multi-site Review of Surgical Outcomes. Ann Surg Oncol 2024:10.1245/s10434-024-15328-3. [PMID: 38679679 DOI: 10.1245/s10434-024-15328-3] [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: 03/01/2024] [Accepted: 04/01/2024] [Indexed: 05/01/2024]
Abstract
INTRODUCTION Presacral neuroendocrine neoplasms (PNENs) are rare tumors, with limited data on management and outcomes. METHODS A retrospective review of institutional medical records was conducted to identify all patients with PNENs between 2008 and 2022. Data collection included demographics, symptoms, imaging, surgical approaches, pathology, complications, and long-term outcomes. RESULTS Twelve patients were identified; two-thirds were female, averaging 44.8 years of age, and, for the most part, presenting with back pain, constipation, and abdominal discomfort. Preoperative imaging included computed tomography scans and magnetic resonance images, with somatostatin receptor imaging and biopsies being common. Half of the patients had metastatic disease on presentation. Surgical approach varied, with anterior, posterior, and combined techniques used, often involving muscle transection and coccygectomy. Short-term complications affected one-quarter of patients. Pathologically, PNENs were mainly well-differentiated grade 2 tumors with positive synaptophysin and chromogranin A. Associated anomalies were common, with tail-gut cysts prevalent. Mean tumor diameter was 6.3 cm. Four patients received long-term adjuvant therapy. Disease progression necessitated additional interventions, including surgery and various chemotherapy regimens. Skeletal, liver, thyroid, lung, and pancreatic metastases occurred during follow-up, with no mortality reported. Kaplan-Meier analysis showed a 5-year local recurrence rate of 23.8%, disease progression rate of 14.3%, and de novo metastases rate of 30%. CONCLUSION The study underscores the complex management of PNENs and emphasizes the need for multicenter research to better understand and manage these tumors. It provides valuable insights into surgical outcomes, recurrence rates, and overall survival, guiding future treatment strategies for PNEN patients.
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Affiliation(s)
- Tommaso Violante
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA
- School of General Surgery, Alma Mater Studiorum University of Bologna, Bologna, Italy
| | - Brenda Murphy
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA
| | - Davide Ferrari
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA
- School of General Surgery, Alma Mater Studiorum University of Bologna, Bologna, Italy
- General Surgery Residency Program, University of Milan, Milan, Italy
| | - Rondell P Graham
- Department of Anatomic Pathology, Mayo Clinic, Rochester, MN, USA
| | - Patrick Navin
- Department of Radiology, Mayo Clinic, Rochester, MN, USA
| | - Amit Merchea
- Division of Colon and Rectal Surgery, Mayo Clinic, Jacksonville, FL, USA
| | - David W Larson
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA
| | - Eric J Dozois
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA
| | | | - William R Perry
- Division of Colon and Rectal Surgery, Mayo Clinic, Rochester, MN, USA.
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Darrow KR, McComas KN, Rajkumar AW, Dove A, Kluwe C, Murphy B, Gilbert J, Sinard R, Netterville J, Lockney NA, Cmelak AJ. Definitive Chemoradiation with Concurrent Carboplatin and Paclitaxel for HPV-Mediated Oropharyngeal Cancer (p16+ OPSCC): Survival and Local Control. Int J Radiat Oncol Biol Phys 2023; 117:e577. [PMID: 37785754 DOI: 10.1016/j.ijrobp.2023.06.1913] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) Standard therapy for locally advanced p16+ OPSCC with cisplatin and bilateral nodal RT results in substantial acute and late toxicities. De-intensification strategies are under active investigation, including the de-escalation of RT dose and field size and use of less toxic RT sensitizing agents. We present our single-institution experience with definitive chemoRT using weekly carboplatin and paclitaxel and modified RT. MATERIALS/METHODS A retrospective review of 139 consecutive patients with non-metastatic p16+ OPSCC treated with definitive chemoRT from 2013 to 2019 was performed. IMRT dose ranged from 60 to 70 Gy (median 69.96 Gy) to gross disease and 44 to 59.4 Gy (median 54.45 Gy) to elective nodal sites. Modified RT included dose reduction from 70 Gy EQD2 to 60-67.8 Gy EQD2 (2.0-2.2 Gy/fraction) and/or field modified contralateral neck. All patients received concurrent weekly paclitaxel (30 mg/m2) and carboplatin (AUC 1); 34 (24.5%) received induction chemotherapy. Patients were classified as low or intermediate risk based on HPV status, smoking history, and nodal staging per RTOG 0129 risk stratification. OS, local and regional RFS, and DSS were estimated using Kaplan-Meier method. RESULTS Median FU was 40.5 months. Of 139 pts, 96 were low and 43 were intermediate risk. Median age 61 yrs (range, 40-81 yrs). 125 pts were male and 14 were female. TNM staging: 29 pts (20.9%) were T1 (22 N1, 7 N2), 68 (48.9%) T2 (4 N0, 52 N1, 12 N2), 27 (19.4%) T3 (5 N0, 15 N1, 7 N2), and 15 (10.8%) T4 (2 N0, 2 N1, 10 N2, 1 N3). Median smoking history of 22.5 pack-yrs (range, 0.25-150 pack-yrs); 59 never smoked. LR recurrence was noted in 6/96 (6.3%) low risk and 7/43 (16.3%) intermediate risk pts. DM developed in 11/96 (11.5%) low risk and 8/43 (18.6%) intermediate risk pts. Synchronous LR recurrence and DM were noted in 1/96 (1%) low risk and 2/43 (4.7%) intermediate risk pts. The 3-year LRC was 93.6% (95% CI, 86.3-97.1) in the low-risk and 77.8% (95% CI, 61.4-87.8) in the intermediate-risk group. The 3-year OS was 95.4% (95% CI, 88.3-98.3) in the low-risk and 77.6% (95% CI, 61.3 to 87.7) in the intermediate-risk group. The 3-year DSS was 96.6% (95% CI, 89.7-98.9) in the low-risk and 86.8% (95% CI, 71.0-94.3) in the intermediate-risk group. CONCLUSION Definitive chemoRT for p16+ OPSCC with concurrent carboplatin and paclitaxel and a modified RT regimen designed to minimize acute and late effects of therapy demonstrated comparable outcomes to standard cisplatin-based chemoRT, such as report on RTOG 0129, with a high rate of LRC at 3 years. Our analysis suggests a role for a less intensive regimen using paclitaxel and carboplatin as a less toxic, effective alternative to cisplatin in the curative management of p16+ OPSCC, particularly in low-risk patients. Strategies for combating distant metastases are needed. Toxicity analysis planned to be presented separately.
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Affiliation(s)
- K R Darrow
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | - K N McComas
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | - A W Rajkumar
- Mayo Clinic Department of Radiation Oncology, Rochester, MN
| | - A Dove
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | | | - B Murphy
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - J Gilbert
- Vanderbilt University Medical Center, Nashville, TN
| | - R Sinard
- Vanderbilt University Medical Center, Nashville, TN
| | | | - N A Lockney
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | - A J Cmelak
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
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McComas KN, Darrow KR, Rajkumar AW, Dove A, Kluwe C, Netterville J, Murphy B, Cmelak AJ. Tailoring Radiation to the Contralateral Neck for Midline HPV-Mediated Oropharyngeal Squamous Cell Carcinoma (p16+ OPSCC). Int J Radiat Oncol Biol Phys 2023; 117:e605-e606. [PMID: 37785825 DOI: 10.1016/j.ijrobp.2023.06.1974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/04/2023]
Abstract
PURPOSE/OBJECTIVE(S) De-intensification strategies for locally advanced p16+ OPSCC are under active investigation, including omission of contralateral neck radiation (RT) for well-lateralized T1-2N0-2a. This study evaluates the outcomes of omitting contralateral neck nodal levels for p16+ OPSCC that are not well-lateralized. MATERIALS/METHODS A retrospective review was done of 134 consecutive patients with non-metastatic p16+ OPSCC that were not well-lateralized (< 1 cm from midline or ≥ 1 cm extension to soft palate or base of tongue) who were treated with definitive chemoradiation from 2013 to 2019. IMRT to an EQD2 6364-6735 cGy (200-220 cGy per fraction) was used to treat the primary tumor and ipsilateral or bilateral neck, with tailored nodal level coverage and dose, and with concurrent paclitaxel and carboplatin. Contralateral neck RT was tailored in 121 patients: omitted in 11, limited to level II in 9, and limited to level II and III in 101 (contralateral lower neck omitted); the remaining 13 had bilateral level II-IV neck RT. Local and regional recurrences were evaluated. RESULTS Median follow up was 45.34 months. Local and/or regional recurrence was noted in 9/134 (6.7%). 3 (2%) recurred in the contralateral neck in unirradiated tissue (out-of-field). All three were salvaged. The remaining 6 recurrences (4%) were in-field; one was at the primary site and 5 were nodal (all ipsilateral). 4 of the 5 regional recurrences were in a location that was treated to EQD2 7000 cGy (all had PET avid nodal disease upfront that was included in the high dose level); the other region of recurrence was treated to an EQD2 6353 cGy (the only recurrence in a never smoker). 4 of the 5 neck recurrences underwent neck dissection; one further underwent adjuvant RT to 5940 cGy in 33 fractions and remains disease-free. 2 of those who underwent salvage neck dissection alone subsequently developed distant metastases. The majority of first recurrences were distant, 19.4% (26/134). 3-year progression free survival (PFS) was 74.41% (95% CI, 65.63-81.26). Taken together, regional recurrence rate in the contralateral, unirradiated neck was 2.5% (3/121) and ultimate locoregional control was 99% (132/134). CONCLUSION Our tailored approach demonstrates a contralateral neck local control of 97.5% (118/121) regardless of tumor lateralization; those who recurred in unirradiated cervical lymph nodes were successfully salvaged. Limiting this analysis is moderate sample size and retrospective nature, but it raises important alternative de-escalation strategies (RT volume reduction) for p16+ OPSCC aside from dose reduction, which is under active investigation in phase II/III trials. Improved systemic therapies are needed to combat distant metastases. Prospective randomized clinical trials are needed for further evaluation of nodal omission for definitive chemoradiation of non-well-lateralized p16+ OPSCC.
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Affiliation(s)
- K N McComas
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | - K R Darrow
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | - A W Rajkumar
- Mayo Clinic Department of Radiation Oncology, Rochester, MN
| | - A Dove
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
| | | | | | - B Murphy
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN
| | - A J Cmelak
- Department of Radiation Oncology, Vanderbilt University Medical Center, Nashville, TN
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Murphy B, Ismaeil M, Winter DC. Thinking outside the pelvis: benign peritoneal multicystic mesothelioma of the ascending colon. J Surg Case Rep 2023; 2023:rjz328. [PMID: 37711845 PMCID: PMC10497441 DOI: 10.1093/jscr/rjz328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Accepted: 11/07/2019] [Indexed: 09/16/2023] Open
Abstract
Benign peritoneal multicystic mesothelioma is a rare tumor of the visceral peritoneum. The authors present an atypical case of a 74-year-old man who presented with a multicystic mesothelioma of the ascending colon.
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Affiliation(s)
- Brenda Murphy
- Centre for Colorectal Disease, St. Vincent’s University Hospital, Dublin 4, Ireland
| | - Mohamed Ismaeil
- Centre for Colorectal Disease, St. Vincent’s University Hospital, Dublin 4, Ireland
| | - Des C Winter
- Centre for Colorectal Disease, St. Vincent’s University Hospital, Dublin 4, Ireland
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Furman BL, Baran E, Brahmbhatt S, Chan B, Nip KM, Kense A, Murphy B, Funari V, Huntsman DG, Miller R, McConechy MK. Abstract 5590: Liquid biopsy testing in metastatic or advanced breast cancer patients during the COVID-19 pandemic. Cancer Res 2023. [DOI: 10.1158/1538-7445.am2023-5590] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
Abstract
Abstract
Objective: During the COVID-19 pandemic, cancer patients had restricted access to standard of care tissue biopsy. Liquid biopsy assays using next generation sequencing technology provides a less invasive method for determining circulating tumour mutations (ctDNA) associated with targeted treatments or prognosis. As part of deploying technology to help cancer patients obtain molecular testing, a clinical program was initiated to offer liquid biopsy testing for Canadian patients with advanced or metastatic breast cancer.
Methods: Blood was drawn in two 10 mL StreckTM DNA BCTs and sent to the CAP/CLIA/DAP accredited Imagia Canexia Health laboratory for testing using the clinically validated Follow ItTM liquid biopsy assay. Plasma was isolated using a double spin protocol and plasma cell-free DNA (cfDNA) extracted using an optimized Promega Maxwell RSC method. Extracted cfDNA was amplified using the multiplex amplicon-based hotspot 30 or 38 gene panel and sequenced. An in-house developed bioinformatics pipeline and reporting platform were used to identify pathogenic single nucleotide variants (SNVs), indels (insertions and deletions), and gene amplification. Included in the panel are genes associated with metastatic breast cancer: AKT1, BRAF, ERBB2, ESR1, KRAS, PIK3CA, TP53.
Results: To identify biomarkers, 1214 metastatic or advanced breast cancer patient cfDNA samples were tested. There were 15 cases sent for repeat testing. We reported 48% of samples harboring pathogenic ctDNA mutations in TP53 (22%), PIK3CA (19%), ESR1 (18%), AKT1 (2%), ERBB2 (1.5%). Co-occurring variants were identified in samples with ESR1/PIK3CA as well as TP53/PIK3CA (both p-values <0.001). Interestingly, 29% of samples with mutated ESR1 harbored ≥ 2 ESR1 ctDNA mutations. In 56% of cases, previous molecular testing indicated the cancer subtype as hormone receptor (ER, PR) positive with/without HER2 negative status. In this specific subgroup, 49% harbored ctDNA mutations with 63% of those being PIK3CA and/or ESR1 mutations.
Conclusions: A population of Canadian women with metastatic breast cancer were tested using a liquid biopsy gene panel during the COVID-19 pandemic for identification of biomarkers for targeted therapeutic options. Over 50% of the samples were identified as hormone positive, with greater than 60% harboring PIK3CA and ESR1 ctDNA mutations. Studies have shown that metastatic PIK3CA mutated ER-positive/HER2-negative tumors are predictive to respond to alpelisib therapy and have FDA and Health Canada approval. Additionally, ESR1 mutations are associated with acquired resistance to antiestrogen therapies, and interestingly we identified 29% of ESR1 mutated samples with multiple mutations possibly indicating resistance subclones. In future studies, longitudinal monitoring for presence of multiple targetable and resistance mutations could be utilized to predict or improve clinical management.
Citation Format: Benjamin L. Furman, Ebru Baran, Sonal Brahmbhatt, Betty Chan, Ka Mun Nip, Adrian Kense, Brenda Murphy, Vincent Funari, David G. Huntsman, Ruth Miller, Melissa K. McConechy. Liquid biopsy testing in metastatic or advanced breast cancer patients during the COVID-19 pandemic. [abstract]. In: Proceedings of the American Association for Cancer Research Annual Meeting 2023; Part 1 (Regular and Invited Abstracts); 2023 Apr 14-19; Orlando, FL. Philadelphia (PA): AACR; Cancer Res 2023;83(7_Suppl):Abstract nr 5590.
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Affiliation(s)
| | - Ebru Baran
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | | | - Betty Chan
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | - Ka Mun Nip
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | - Adrian Kense
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | - Brenda Murphy
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | - Vincent Funari
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
| | | | - Ruth Miller
- 1Imagia Canexia Health, Vancouver, British Columbia, Canada
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Duggan WP, Sugrue DD, Shannon N, Murphy B, Burke JP. A prospective evaluation of the effect of transanal minimally invasive surgery (TAMIS) on low anterior resection syndrome. Surg Endosc 2023:10.1007/s00464-023-10004-1. [PMID: 36964292 DOI: 10.1007/s00464-023-10004-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [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: 01/06/2023] [Accepted: 03/03/2023] [Indexed: 03/26/2023]
Abstract
PURPOSE Transanal minimally invasive surgery (TAMIS) is a surgical alternative to transanal endoscopic microsurgery (TEM), transanal excision and proctectomy in the management of benign rectal polyps and early rectal cancers. Low anterior resection syndrome (LARS) describes the constellation of symptoms which result from and are common after distal colorectal resection. Symptoms include incontinence, frequency, urgency and evacuatory dysfunction. The aim of the current study was to prospectively evaluate pre- and post-operative LARS in patients who undergo TAMIS. METHODS We conducted a prospective analysis of a consecutive series of patients who underwent TAMIS at our institution between January 2021 and February 2022. A LARS questionnaire was undertaken preoperatively, at 1 month and at 6 months post-operatively. RESULTS Twenty patients were recruited to this pilot study. The mean age was 63 ± 12 years, 11 of the patients were male, mean pre-operative BMI was 29 ± 6 kg/m2, and 30% (n = 6) of patients underwent TAMIS for an invasive rectal cancer, with all patients receiving an R0 resection. Mean distance from the anal verge was 5.7 ± 3.2 cm, and mean lesion diameter was 46 ± 20.5 mm. A statistically significant interval reduction was observed between preoperative (20.3 ± 12.9) and 6-month post-operative (12.6 ± 9.7) LARS scores (p = 0.02) and also between 1-month (18.2 ± 10.6) and 6-month post-operative scores (p = 0.01). CONCLUSIONS We noted a high prevalence of LARS across our cohort preoperatively, and this had improved significantly at 6-month review post-TAMIS. This study reaffirms the safety and efficacy of TAMIS for the treatment of early rectal neoplasia.
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Affiliation(s)
- William P Duggan
- Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
- Department of Physiology and Medical Physics, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Diarmuid D Sugrue
- Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Naomi Shannon
- Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - Brenda Murphy
- Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland
| | - John P Burke
- Department of Colorectal Surgery, Beaumont Hospital, Dublin 9, Ireland.
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Gutkin P, Skinner L, Jiang A, Donaldson S, Loo B, Oh J, Von Eyben R, Bredfeldt J, Breneman J, Constine L, Faught A, Haas-Kogan D, Holmes J, Krasin M, Larkin C, Marcus K, Maxim P, Murphy B, Palmer J, Perkins S, Terezakis S, Bush K, Hiniker S. A 10-Center Prospective Clinical Trial of the Audio-Visual Assisted Therapeutic Ambience in Radiotherapy (AVATAR) System for Anesthesia Avoidance in Pediatric Patients. Int J Radiat Oncol Biol Phys 2022. [DOI: 10.1016/j.ijrobp.2022.07.463] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022]
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9
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Murphy B, Meagher MK, Noone I, Cassidy T. 128 TO BLEED OR NOT TO BLEED: THE INTRACEREBRAL HAEMORRHAGE MANAGEMENT QUESTION. Age Ageing 2022. [DOI: 10.1093/ageing/afac218.107] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
Intracerebral Haemorhage (ICH) accounts for 9-27 per cent of all strokes. There are high rates of early case fatality and poor functional outcome. Clear guidelines and pathways exist around the management of ischaemic stroke. Pathways for the haemorrhagic stroke patient are lacking. Good evidence exists for early Blood Pressure (BP) management, reversal of Oral Anti-Coagulation (OAC) and admission to a Hyper-Acute Stroke Unit (HASU) in terms of improving outcomes.
Methods
A retrospective cohort analysis was performed, looking at all the presentations with ICH over one calendar year. The factors measured included time to CT Brain, BP at presentation, documented target systolic BP of under 140mmHg, time to treatment of hypertension, number on OAC, OAC reversal, time to OAC reversal, admission to HASU. The findings were compared to standards outlined in the European Stroke Organisation and American Heart Association’s ICH management guidance.
Results
76 patients were include (40 female). Mean age was 73, age range 34-93. median age 77. 44 were hypertensive on admission (20 info unavailable [u/a]). Of the 44, 34 had a documented target BP under 140mmHg (12 = n/a, 20 u/a). Time to treatment of hypertension was within 60 minutes for 3 patients. Of those that were hypertensive, 57 per cent were 75 or younger. 16 were on an OAC, of which 11 were appropriately reversed (3 u/a). Of the 11, 2 were reversed within 90 mins (7 u/a). Of those on an OAC, 75 per cent were over 75. 32 were admitted to HASU within 72h (all of these made it within 24h), (10 did not reach HASU, 3 reached HASU bed after 72h, 31 u/a).
Conclusion
Management of ICH is variable and suboptimal. Our goal is to produce a written pathway which will be incorporated into our hyperacute stroke document, with a plan to re-audit.
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Affiliation(s)
- B Murphy
- St. Vincent's University Hospital , Dublin, Ireland
| | - MK Meagher
- St. Vincent's University Hospital , Dublin, Ireland
| | - I Noone
- St. Vincent's University Hospital , Dublin, Ireland
| | - T Cassidy
- St. Vincent's University Hospital , Dublin, Ireland
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Freeman M, Bond M, Murphy B, Isaacsohn J. Results from a phase 1 multiple ascending dose study demonstrating safety and selectivity of aldosterone synthase inhibitor CIN-107. Eur Heart J 2022. [DOI: 10.1093/eurheartj/ehac544.2200] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Abstract
Background
CIN-107 is a highly potent, selective, and competitive small molecule inhibitor of aldosterone synthase that is a potential treatment for disorders associated with elevated aldosterone levels, including hypertension and primary aldosteronism. This randomized, double-blind, placebo-controlled phase 1 study evaluated the safety, pharmacokinetics, and pharmacodynamics of multiple ascending doses of CIN-107 in healthy volunteers.
Methods
Subjects were randomized into 5 cohorts to receive CIN-107 or placebo once daily for 10 days. Cohorts 1 and 2 were placed on a low salt diet to stimulate aldosterone production and were administered 2.5 or 5.0 mg oral CIN-107, respectively. Cohorts 1 and 2 also underwent an adrenocorticotropic hormone (ACTH) challenge to increase aldosterone and cortisol levels to evaluate the specificity of CIN-107 for targeting aldosterone synthase. Cohorts 3, 4, and 5 were placed on a normal salt diet and were administered 1.5, 2.5, or 0.5 mg oral CIN-107, respectively. Blood samples were collected prior to and after dosing on days 1 and 10 for measurement of plasma CIN-107 concentrations to characterize single-dose and steady-state pharmacokinetics. Pharmacodynamic measurements included plasma aldosterone, cortisol, and electrolytes. Safety assessments included physical examination, electrocardiograms, orthostatic vital signs, and clinical laboratory evaluations.
Results
54 subjects completed the study. There were no deaths, serious adverse events, or discontinuations due to treatment-emergent adverse events (TEAEs). All TEAEs in subjects receiving CIN-107 were mild in severity (Table 1). Plasma concentrations of CIN-107 increased proportionally with ascending doses. CIN-107 was rapidly absorbed, with peak concentrations observed within 4 hours after dosing. The concentration of plasma CIN-107 declined in an apparent biphasic manner with a half-life of 26 to 31 hours. A dose-dependent reduction of plasma aldosterone was observed with CIN-107 doses ≥1.5 mg, regardless of normal or low salt diet. Decreases in plasma aldosterone were observed starting on Day 1 and were sustained, with levels reduced by approximately 51–73% on Day 10 (Figure 1). The inhibition of aldosterone synthase by CIN-107 had no impact on plasma cortisol. CIN-107 resulted in mild dose-dependent decreases in plasma sodium levels and increases in potassium levels, as would be expected from the observed reduction in aldosterone.
Conclusions
Oral administration of CIN-107 was safe and well tolerated in all subjects and resulted in dose-dependent increases in plasma CIN-107 with a half-life that supports once-daily dosing. The dose-dependent decrease in plasma aldosterone and lack of effect on cortisol demonstrate the selective blockade of aldosterone synthase and support continued study in ongoing phase 2 clinical trials evaluating the efficacy and safety of CIN-107 for treatment-resistant or uncontrolled hypertension and primary aldosteronism.
Funding Acknowledgement
Type of funding sources: Private company. Main funding source(s): CinCor Pharma Inc
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Affiliation(s)
- M Freeman
- CinCor Pharma , Boston , United States of America
| | - M Bond
- CinRx Pharma , Cincinnati , United States of America
| | - B Murphy
- CinRx Pharma , Cincinnati , United States of America
| | - J Isaacsohn
- CinRx Pharma , Cincinnati , United States of America
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Murphy B, McLoughlin M. 994 The Evolving Role of Interventional Radiology in the Management of Diverticular Abscesses: A Review of Practice at University Hospital Waterford Over 10 Years. Br J Surg 2022. [DOI: 10.1093/bjs/znac269.183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Abstract
Background
Historically, intra-abdominal sepsis was managed conservatively, or with operative intervention, which is associated with significant morbidity and mortality. Image-guided drainage of abscesses or collections provides a useful alternative and has become more common with the increasing prominence of Interventional Radiology, offering faster recovery, reduced length of hospital stay and cost of treatment. Modern procedural tools, techniques and expertise allow high levels of percutaneous drainage success. The scope of practice has widened to include targets which previously wouldn't have been amenable to drainage.
Aim
To quantify the use and benefit of IR drainage for complicated diverticulitis at University Hospital Waterford over the past ten years. The size and location of collections drained throughout the ten years was observed. Length of hospital stay for each mode of management (conservative, percutaneous drainage and surgical) was used as an endpoint to assess morbidity.
Method
Using NIMIS, all CT abdomen/pelvis reports containing the words “abscess” or “collection”, and “diverticul” over the past 10 years was compiled. These patients were categorised by their management, into groups of conservatives, percutaneous drainage, surgical intervention, or a combination of these. NIMIS was used to determine who underwent IR drainage. T-pro, theatre logbooks and patient notes were used to determine who had surgical management, and iPMS was used to assess length of hospital stay.
Results
IR drainage has become more common year-on-year in UHW and was shown to be more effective for all abscess sizes as compared with conservative management, as outlined in the table shown
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Affiliation(s)
- B Murphy
- University Hospital Waterford , Waterford , Ireland
| | - M McLoughlin
- University Hospital Waterford , Waterford , Ireland
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12
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Medlar C, Downey C, O'Kelly P, Murphy B, Quinlan JF. The Effect of COVID-19 on 30-Day Mortality Rates Amongst Fragility Hip Fracture Patients. Ir Med J 2022; 115:634. [PMID: 36300755] [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: 06/16/2023]
Abstract
Aim Fragility hip fracture patients have always been vulnerable to high rates of short term mortality, an issue that may have been exacerbated by the ongoing COVID-19 pandemic. To date, published data regarding Irish hip fracture patients in the era of COVID-19 is limited. This study aims to assess the effect of COVID-19 on 30-day mortality rates amongst a group of Irish hip fracture patients. Additionally, patient demographics, length of stay, admission haematological parameters, fracture type and surgical procedure will be assessed. Methods A multicentre, observational, retrospective study of hip fracture patients (n = 1,017) admitted to six Dublin teaching hospitals during the COVID-19 pandemic (4th February to 9th July 2020) was performed. For comparative purposes, equivalent data was retrospectively collected relating to hip fracture patients admitted to the same six teaching hospitals during the same time period in 2019. Results 481 patients were admitted during the specified timeframe in 2020, compared with 536 in 2019. The mean patient age was 77.6 years and 65.9% of patients were female. There was no statistically significant overall difference in 30-day mortality rates between the study and control groups, at 5.4% in 2020 and 4.3% in 2019 (p=0.338). There was an insignificant decrease in mean length of stay (17.85 days in 2020 vs. 18.82 days in 2019; p=0.106). Advancing age (p=0.021), male gender (p=0.019), low admission haemoglobin (p=0.024) and high admission white cell count (p=0.019) were all associated with increased 30-day mortality. Conclusion We found no significant difference in 30-day mortality rates amongst our cohort of hip fracture patients at the height of the COVID-19 pandemic in Ireland. Advancing age, male gender, anaemia at admission and leucocytosis at admission were associated with increased 30-day mortality. The continuation of COVID-19 related safety protocols in the treatment of hip fracture patients is essential in maintaining a safe hip fracture service.
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Affiliation(s)
- C Medlar
- Department of Trauma and Orthopaedic Surgery, Tallaght University Hospital, Dublin 24, Ireland
| | - C Downey
- Department of Trauma and Orthopaedic Surgery, Tallaght University Hospital, Dublin 24, Ireland
| | - P O'Kelly
- Department of Nephrology and Transplantation, Beaumont Hospital, Dublin 9, Ireland
| | - B Murphy
- Department of Orthopaedic Surgery, St. Vincent's University Hospital, Dublin 4, Ireland
| | - J F Quinlan
- Department of Trauma and Orthopaedic Surgery, Tallaght University Hospital, Dublin 24, Ireland
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Murphy B, McCaul C. C, O'Flaherty D. Over-exposed? Infra-red thermography and the assessment of spinal anaesthesia’ – a reply. Int J Obstet Anesth 2022; 51:103565. [DOI: 10.1016/j.ijoa.2022.103565] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Accepted: 05/11/2022] [Indexed: 11/26/2022]
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Miglani A, Borkowska A, O'Flaherty D, McCaul C, Murphy B. O.7 Thermographic assessment of the feet in labour epidurals can provide early assessment of efficacy. Int J Obstet Anesth 2022. [DOI: 10.1016/j.ijoa.2022.103293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Collins J, Varghese D, Miranda M, Nordstrom B, Murphy B, Harland D. 186P A real-world study on prevalence of and outcomes related to brain metastases among patients with HER2-positive metastatic breast cancer (mBC). Ann Oncol 2022. [DOI: 10.1016/j.annonc.2022.03.205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022] Open
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16
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Cartledge S, Thomas E, Abell B, Murphy B, Cameron J, Gallagher R, Astley C. COVID-19 Impact on Australian Cardiac Rehabilitation Programs: Results From a National Survey. Heart Lung Circ 2022. [PMCID: PMC9345552 DOI: 10.1016/j.hlc.2022.06.493] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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17
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Murphy B, McCaul C CL, O'Flaherty D. Infrared thermographic assessment of spinal anaesthesia-related cutaneous temperature changes during caesarean section. Int J Obstet Anesth 2021; 49:103245. [PMID: 35012810 DOI: 10.1016/j.ijoa.2021.103245] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Revised: 09/18/2021] [Accepted: 12/12/2021] [Indexed: 01/03/2023]
Abstract
INTRODUCTION Assessment of adequacy of spinal anaesthesia prior to obstetric surgery is extremely important but can be problematic because currently available clinical assessment methods are indirect and subjective. As the sympathectomy associated with spinal anaesthesia is known to cause vasodilation and heat redistribution, we sought to assess whether spinal anaesthesia led to significant and consistent cutaneous temperature changes as measured by infrared thermography. METHODS Following ethics committee approval, this observational study was conducted in a tertiary level obstetric centre. Participants included women undergoing elective caesarean section under spinal anaesthesia. Following consent, a Flir T540 infrared camera captured thermographic images over the feet, patella, buttock, iliac crests, xiphisternum and axilla. Temperature was measured prior to spinal needle insertion (T0) and following clinical assessment when the block was deemed adequate. RESULTS Thirty patients were included. Baseline temperature varied considerable by site. Spinal anaesthesia altered skin temperature in all areas of interest: right and left hallux (mean of differences (MD) +4.0°C and 5.2°C respectively, P <0.0001), right and left plantar (MD +6.1°C and 6.8°C respectively, P <0.0001), patella (MD -0.33°C, P=0.0445), buttock (MD -0.5°C, P=0.009), iliac crest (MD -0.7°C, P=0.0004), xiphisternum (MD -0.95°C, P <0.0001) and axilla (MD -0.71°C, P=0.0002). CONCLUSIONS Following spinal anaesthesia thermographic imaging identified different patterns of skin temperature changes, with pronounced temperature increases measured in the feet and cooling of a lesser amplitude in the thoracic and lumbar dermatomes. Infrared thermography has the potential to provide objective measurement of sympathectomy.
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Affiliation(s)
- B Murphy
- The Rotunda Hospital, Dublin, Ireland; Connolly Hospital Blanchardstown, Dublin, Ireland.
| | - C L McCaul C
- The Rotunda Hospital, Dublin, Ireland; Mater Misericordiae University Hospital, Dublin, Ireland; School of Medicine and Medical Sciences, University College Dublin, Ireland
| | - D O'Flaherty
- The Rotunda Hospital, Dublin, Ireland; Mater Misericordiae University Hospital, Dublin, Ireland
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Costley M, Murphy B. Successful treatment of a pregnant mother with dupilumab therapy for severe atopic dermatitis throughout pregnancy. Clin Exp Dermatol 2021; 47:960-961. [PMID: 34856015 DOI: 10.1111/ced.15049] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2021] [Revised: 11/29/2021] [Accepted: 12/01/2021] [Indexed: 11/28/2022]
Abstract
Systemic treatment options for moderate to severe atopic dermatitis in pregnant patients are significantly limited due to safety concerns and a lack of evidence. We read with interest the case series published by Bosma et al.1 We present a female who continued uninterrupted dupilumab for atopic dermatitis from conception throughout pregnancy delivering a healthy baby boy at full term. This healthy baby boy was born at term; mum and baby were discharged home on the day of delivery without complication.
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Affiliation(s)
- M Costley
- Department of Dermatology, Belfast Health and Social Care Trust, Belfast, UK
| | - B Murphy
- Department of Dermatology, Belfast City Hospital, Belfast, UK
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Murphy B, Laffan S, Sullivan SO, Ballester GW, Meagher MK, Noone I, Cassidy T, Murphy T, Cooke J, Pope G, Mulcahy R, O'Regan N. 79 SIMULATION-BASED MEDICAL EDUCATION: A ‘HIP’ WAY TO LEARN ABOUT ORTHO-GERIATRICS! Age Ageing 2021. [PMCID: PMC8690087 DOI: 10.1093/ageing/afab219.79] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Background Simulation-based medical education (SBME) is emerging as a key method of medical education, particularly in the setting of the COVID-19 pandemic. As part of a simulation development competition (SimStars) run by the National Doctors Training and Planning Unit and the South–South West Hospital Group, we brought together an inter-disciplinary team to develop a simulation scenario on hip fracture. Methods Our development team consisted of members of the Geriatric Medicine and Orthopaedic Departments. We developed a scenario that can be adapted to suit the needs of learners in orthopaedics, medicine, or nursing. We ran the simulation on a medical ward with one candidate and four facilitators from the Geriatric Medicine Department. The candidate (medical SHO) was presented with a patient (facilitator one), who had sustained a hip fracture following a fall. The candidate was directed to elicit a falls and bone health history, screen for delirium, and suggest further investigations and management. Subsequently, feedback was sought from all participants. Results The simulation took twenty minutes, debriefing took fifteen minutes. All considered, the simulation an enjoyable and feasible method for teaching and learning, and a novel way to promote team-building. The candidate felt competent in some areas, reporting that the scenario provided positive reinforcement. She reported feeling supported in identifying areas for further learning. The facilitators also considered this method a useful way to highlight a candidate’s learning needs and direct further teaching. The candidate requested further SBME-based sessions. Conclusion This SBME session in Ortho-Geriatrics was well-received by the candidate and facilitators. All participants enjoyed teaching and learning through this medium. Areas of high competency were reinforced and areas for future learning were identified. Further SBME was requested across more topics and for simulation training to be brought in as part of formal training.
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Affiliation(s)
- B Murphy
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland,Department of Geriatric Medicine, St Vincents University Hospital, Dublin, Ireland
| | - S Laffan
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland
| | - S O Sullivan
- Department of Orthopaedic Surgery, University Hospital Waterford, Waterford, Ireland
| | - G W Ballester
- Department of Geriatric Medicine, St Vincents University Hospital, Dublin, Ireland
| | - M K Meagher
- Department of Geriatric Medicine, St Vincents University Hospital, Dublin, Ireland
| | - I Noone
- Department of Geriatric Medicine, St Vincents University Hospital, Dublin, Ireland
| | - T Cassidy
- Department of Geriatric Medicine, St Vincents University Hospital, Dublin, Ireland
| | - T Murphy
- Department of Orthopaedic Surgery, University Hospital Waterford, Waterford, Ireland
| | - J Cooke
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland
| | - G Pope
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland
| | - R Mulcahy
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland
| | - N O'Regan
- Department of Geriatric Medicine, Waterford Intergratred Care for Older People, University Hospital Waterford, Waterford, Ireland
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Murphy B, Downey C, Flannery S, Daly T, Conway S, Gaffar M, Dawson P, Collins D, Kenny P, McCarthy T, Cashman J, Hurson C, O'Daly B, Quinlan J. 1235 A Multi-Site Review of Second Hip Fractures Across 6 Dublin Teaching Hospitals. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.1034] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Hip fractures are a common presentation to Irish hospitals with 3,701 hip fractures recorded by 16 hospitals in the Irish Hip Fracture Database (IHFD) in 2019. Second hip fractures (HF2) make up a significant proportion of hip fractures and represent an opportunity to prevent subsequent fragility fracture.
Method
Hip fracture datasheets from 2019 in six Dublin hospitals were analysed.
Results
1,284 hip fractures in total were recorded in 2019 in these six hospitals. 112 of these were second hip fractures (8.72%). 24.1% of patients had a HF2 in year 1 post their first hip fracture (HF1). 14.3% of patients had a HF2 in Year 2, 8% in Year 3, 8.9% in Year 4 and 6.3% in Year 5. 17.9% of patients had an HF2 at an unknown time in relation to their HF1. 57.6% of all patients with any hip fracture were started on bone protection medications (BPMs) during their admission. 18.9% continued a pre-admission prescription. 7% of all patients were previously assessed and determined not to require BPM. 6.9% of patients were awaiting outpatient department (OPD) assessment for bone protection. 8.6% had no assessment for bone protection conducted. Of all patients with an HF2, 48.2% were started on BPMs on admission with their HF2. 33% continued BPMs started pre-admission.
Discussion
In 2019, approximately 1 in 10 hip fractures were second hip fractures. Evidence suggests that fracture liaison services represent a viable, economic means of preventing second hip fractures to improve patient outcomes and reduce healthcare expenditure.
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Affiliation(s)
- B Murphy
- Department of Trauma & Orthopaedic Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - C Downey
- Department of Trauma & Orthopaedic Surgery, Tallaght University Hospital, Dublin, Ireland
| | - S Flannery
- Department of Trauma & Orthopaedic Surgery, Tallaght University Hospital, Dublin, Ireland
| | - T Daly
- Department of Trauma & Orthopaedic Surgery, Connolly Hospital, Dublin, Ireland
| | - S Conway
- Department of Trauma & Orthopaedic Surgery, Beaumont Hospital, Dublin, Ireland
| | - M Gaffar
- Department of Trauma & Orthopaedic Surgery, St James' Hospital, Dublin, Ireland
| | - P Dawson
- Department of Trauma & Orthopaedic Surgery, Mater Misericordiae Hospital, Dublin, Ireland
| | - D Collins
- Department of Trauma & Orthopaedic Surgery, Beaumont Hospital, Dublin, Ireland
| | - P Kenny
- Department of Trauma & Orthopaedic Surgery, Connolly Hospital, Dublin, Ireland
| | - T McCarthy
- Department of Trauma & Orthopaedic Surgery, St James' Hospital, Dublin, Ireland
| | - J Cashman
- Department of Trauma & Orthopaedic Surgery, Mater Misericordiae Hospital, Dublin, Ireland
| | - C Hurson
- Department of Trauma & Orthopaedic Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - B O'Daly
- Department of Trauma & Orthopaedic Surgery, Tallaght University Hospital, Dublin, Ireland
| | - J Quinlan
- Department of Trauma & Orthopaedic Surgery, Tallaght University Hospital, Dublin, Ireland
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21
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Murphy B, Hurson C. 1256 Orthopaedics and The COVID19 Pandemic: Was Achilles Just A “Weekend Warrior”? Br J Surg 2021. [DOI: 10.1093/bjs/znab259.497] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Background
The COVID19 pandemic has affected the types of trauma being operated on by Orthopaedic surgeons. Lifting of restrictions pertaining to sports saw a sudden return to play for many people after a period of inactivity. Achilles tendon ruptures are associated with these episodic athletes. In our institution, we appeared to have a large number of these injuries within a short space of time. We hypothesised that Phase 3 of “Lockdown”, where all sports were allowed to return, led to increased Achilles tendon rupture rates vs. the same period in 2019 due to a prolonged period of inactivity.
Method
Data from electronic theatre logbooks of all operations performed in the trauma theatre from 27th March 2020 (Lockdown begins) to 31st July 2020 and 27th March 2019 to 31st July 2019 was collected.
Results
772 cases were performed in 2019. There were 17 Achilles tendon ruptures in that period (2.2%). 14 of these occurred after Phase 3. 555 cases were performed in 2020. There were 13 Achilles tendon ruptures in that period (2%). 11 of these occurred after Phase 3.
Conclusions
Overall, there was a greater number and greater rate of Achilles tendon ruptures in 2019 vs. the equivalent “Lockdown” period in 2020. 8 of the 11 occurring after Phase 3 in 2020 occurred in the month of July. This led the authors to believe they were occurring more frequently. In conclusion, the COVID19 pandemic restrictions and subsequent return to play after inactivity does not increase the rate of Achilles tendon rupture.
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Affiliation(s)
- B Murphy
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - C Hurson
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
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22
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Murphy B, Pollock R, Ramchurn S, Hurson C. 1244 The TAL Suction Retractor: A Simple Technique for Visualising the Transverse Acetabular Ligament (TAL) During Total Hip Replacement (THR) Surgery. Br J Surg 2021. [DOI: 10.1093/bjs/znab258.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
The transverse acetabular ligament (TAL) is an anatomical landmark that is of particular use during primary total hip replacements (THR). Visualisation is important to aid the orientation of the acetabular cup and it is a structure that can be identified in virtually every primary hip replacement surgery. We introduce a simple technique to facilitate this.
Method
A thoracic suction catheter is taped to the distal end of a blunt Hohmann’s retractor with two steristrips wrapping around the catheter and retractor leaving approximately 1-1.5cm of retractor exposed. Our preference is for a thoracic suction catheter with side holes and a proximal end which allows direct connection with the tip of the Yankauer suction. The blunt Hohmann’s retractor is used as the inferior acetabular retractor in the usual way, placed inferior to the transverse acetabular ligament, resting on the posterior ischial surface. The catheter suction tip should lie just under the TAL, in the most dependant point of the wound.
Results
The TAL suction catheter can be used continuously or intermittently to facilitate visualisation of the TAL during reaming, trialling, and acetabular cup placement. The TAL suction retractor provides suction in the most dependant point of the surgical wound, preventing unnecessary movement and facilitates a clutter-free surgical field leading to more streamlined and efficient surgery with potential reduced operative times.
Conclusions
The transverse acetabular ligament (TAL) suction retractor is a simple improvised surgical tool that makes it easier to visualise the TAL during acetabular preparation in total hip replacements.
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Affiliation(s)
- B Murphy
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - R Pollock
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - S Ramchurn
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - C Hurson
- Department of Trauma & Orthopaedic Surgery, St Vincent's University Hospital, Dublin, Ireland
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Murphy B, Amin K, Ali N. 56 ‘A Closed-Loop Audit on The Appropriateness of Urine Testing Carried Out on Surgical Patients in The Acute Surgical Unit in University Hospital Limerick as Compared with Hospital Guidelines’. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Aim
The acute surgical unit (ASU) in University Hospital Limerick (UHL) has a high turnover of patients of all surgical specialties, many of whom are sent home without the need for admission or follow-up. Urinalysis is very accessible, and is carried out on many patients, prior to them being seen by a doctor. Inappropriate urinalysis sets off a cascade of inappropriate urine culture, antimicrobial treatment and a waste of resources and time of nursing, medical and laboratory staff. We aim to identify and reduce inappropriate testing.
Method
The notes of all ASU patients during a one-week period were analysed using the ‘Therefore Navigator’ application, where all patient notes are scanned on leaving the ASU. Data relating to presenting complaint, presence or absence of urinary symptoms and abdominal pain, and urine dipstick and culture results (if performed) was collected for each patient. The results were compared with UHL guidelines on testing, an information sheet was designed and placed in ASU, and an education session for nursing staff was carried out. The second cycle was performed one month later.
Results
In the first cycle, 68% of the 99 ASU patients had urinalysis, and 48% had urine culture performed. Of cultures performed, only 23 of 47 (49%) were deemed indicated according to the guidelines. In the second cycle, 39% had urinalysis. 28% had urine cultured, 79% of these were deemed to have been indicated.
Conclusions
Inappropriate urine testing in the ASU decreased following teaching for nursing staff, together with an information leaflet being placed in the ASU.
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Affiliation(s)
- B Murphy
- University Hospital Limerick, Limerick, Ireland
| | - K Amin
- University Hospital Limerick, Limerick, Ireland
| | - N Ali
- University Hospital Limerick, Limerick, Ireland
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Ismaiel M, Murphy B, Hayes C, O'Connell LV, Winter DC. Differential inflammatory profile of mesenteric and omental fat in patients with colorectal cancer. Br J Surg 2021; 109:160-161. [PMID: 34611713 DOI: 10.1093/bjs/znab300] [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] [Received: 05/02/2021] [Accepted: 07/24/2021] [Indexed: 11/14/2022]
Abstract
Visceral obesity (mesenteric and omental adipose tissue) is a risk factor for colorectal cancer (CRC) and weight loss can reduce risk. This study examined mesenteric and omental fat activity in patients with CRC.
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Affiliation(s)
- M Ismaiel
- Department of Surgery, University College Dublin, Dublin, Ireland
- Department of Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - B Murphy
- Department of Surgery, University College Dublin, Dublin, Ireland
- Department of Surgery, St Vincent's University Hospital, Dublin, Ireland
| | - C Hayes
- Department of Surgery, University College Dublin, Dublin, Ireland
| | - L V O'Connell
- Department of Surgery, University College Dublin, Dublin, Ireland
| | - D C Winter
- Department of Surgery, University College Dublin, Dublin, Ireland
- Department of Surgery, St Vincent's University Hospital, Dublin, Ireland
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Murphy B, Miller P, Molley A, O'Toole G, Curtin P, Flavin R, O'Shea K, Cassar-Gheiti A, Hurson C. COVID-19, "Lockdown" and Achilles Tendon Ruptures. Ir Med J 2021; 114:437. [PMID: 38224027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Subscribe] [Scholar Register] [Indexed: 01/16/2024]
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Murphy B, McCabe JP. O71: INTRA-OPERATIVE SPINAL CORD MONITORING DURING SPINAL SURGERY: DOES IT HAVE ANY CLINICAL VALUE? Br J Surg 2021. [DOI: 10.1093/bjs/znab117.071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022]
Abstract
Abstract
Introduction
Spinal cord surgery is a technically challenging endeavour with potentially devastating complications for patients and surgeons. Spinal cord monitoring (SCM), is one method of preventing and identifying damage to the spinal cord. At present, indications for its use are based more on individual surgeon preference and for medico legal purposes. Our study aimed to determine SCM's utility as a clinical tool.
Method
This is a retrospective case series of 169 patients who underwent spinal surgery with SCM at two institutions between 2013 and 2018. Signal changes detected were recorded as well as the surgeon's response to these changes. Patients were followed up to one-year post-surgery using our institution's EVOLVE system. The main outcome measure in this study was new post-operative neurological signs and/or symptoms and what effect, if any, IONM and subsequent surgeon intervention had on these complications.
Result
Indications for SCM included cervical stenosis, cervical disc prolapse, unstable fractures and bony metastases. Signal changes were observed in 33% (n=55) of cases. 24 of these patients responded to re-positioning. There were 7 total complications with full resolution by 12 months. False negative rate was 2.4% (n=4). There was one true positive. The largest cohort of patients included those who experienced no signal changes and subsequently no post-operative deficits (n=124).
Conclusion
SCM is a non-invasive clinical tool that may be utilised for medicolegal reasons. Its use as a clinical tool is questionable given its relatively high false negative rate and low false positive rate.
Take-home message
Spinal cord monitoring may be used by spinal surgeons for medicolegal reasons if desired. Its use as a clinical tool is questionable at best.
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Affiliation(s)
- B Murphy
- Spine Service, Department of Trauma & Orthopaedics, Galway University Hospitals
- Discipline of Surgery, National University of Ireland Galway
| | - JP McCabe
- Spine Service, Department of Trauma & Orthopaedics, Galway University Hospitals
- Discipline of Surgery, National University of Ireland Galway
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Ismaiel M, Murphy B, Aldhafiri S, Giffney HE, Thornton K, Mukhopadhya A, Keogh CE, Fattah S, Mohan HM, Cummins EP, Murphy EP, Winter DC, Crean D. The NR4A agonist, Cytosporone B, attenuates pro-inflammatory mediators in human colorectal cancer tissue ex vivo. Biochem Biophys Res Commun 2021; 554:179-185. [PMID: 33798945 DOI: 10.1016/j.bbrc.2021.03.110] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 03/19/2021] [Indexed: 12/17/2022]
Abstract
Inflammation is a pivotal pathological factor in colorectal cancer (CRC) initiation and progression, and modulating this inflammatory state has the potential to ameliorate disease progression. NR4A receptors have emerged as key regulators of inflammatory pathways that are important in CRC. Here, we have examined the effect of NR4A agonist, Cytosporone B (CsnB), on colorectal tissue integrity and its effect on the inflammatory profile in CRC tissue ex vivo. Here, we demonstrate concentrations up 100 μM CsnB did not adversely affect tissue integrity as measured using transepithelial electrical resistance, histology and crypt height. Subsequently, we reveal through the use of a cytokine/chemokine array, ELISA and qRT-PCR analysis that multiple pro-inflammatory mediators were significantly increased in CRC tissue compared to control tissue, which were then attenuated with the addition of CsnB (such as IL-1β, IL-8 and TNFα). Lastly, stratification of the data revealed that CsnB especially alters the inflammatory profile of tumours derived from males who had not undergone chemoradiotherapy. Thus, this study demonstrates that NR4A agonist CsnB does not adversely affect colon tissue structure or functionality and can attenuate the pro-inflammatory state of human CRC tissue ex vivo.
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Affiliation(s)
- Mohamed Ismaiel
- School of Medicine, University College Dublin, Dublin, Ireland; Department of Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - Brenda Murphy
- School of Medicine, University College Dublin, Dublin, Ireland; Department of Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - Sarah Aldhafiri
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Hugh E Giffney
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - Kevin Thornton
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | | | - Ciara E Keogh
- Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California Davis, Davis, CA, USA
| | - Sarinj Fattah
- School of Pharmacy and Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin, Ireland
| | - Helen M Mohan
- Department of Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - Eoin P Cummins
- School of Medicine, University College Dublin, Dublin, Ireland; Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland
| | - Evelyn P Murphy
- School of Medicine, University of Limerick, Limerick, Ireland
| | - Des C Winter
- School of Medicine, University College Dublin, Dublin, Ireland; Department of Surgery, St. Vincent's University Hospital, Dublin, Ireland.
| | - Daniel Crean
- School of Veterinary Medicine, University College Dublin, Dublin, Ireland; Conway Institute of Biomolecular and Biomedical Research, University College Dublin, Dublin, Ireland.
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Svagzdys S, Poskus T, Razafimanjato NNM, Chieng Loo L, Tiong IC, Wan Muhmad WF, Vijeyan H, Li Ying T, Grech G, Arrangoiz R, Jimenez Ley VB, Arizpe D, Jimenez Ley VB, Lagunes Lara E, Castro López EV, Eaazim J, Gordinou de Gouberville M, Bastiaenen V, Rottier S, Nahab F, Ji MY, Seyoji M, Nwachukwu C, Emeghara O, Muhammed SE, Idowu A, Sowemimo O, Ogundoyin O, Akande O, Lott A, Nadeem M, Laghari AA, Loya A, Mushtaq H, Abdullah MT, Abuhilal B, Atawneh M, Hamdan H, Alhabil B, Srour A, Mousa I, Da Silva Medina L, Sacdalan MD, Lapitan MC, Sacdalan MD, Sacdalan MD, Bartosiak K, Ferreira P, Francisco V, Lemos R, Frutuoso L, Fernandes S, Fonseca T, Pereira J, Rachadell J, Torre A, Madeira Martins F, Carvalho AC, Rodrigues Ferreira J, Ribeiro da Silva B, Devesa H, Vieira A, Mónica I, Amaro M, Sousa D, Reia M, Louro J, Martins A, Dominguez J, Santos I, Freitas Oliveira NM, Pereira JC, Silva-Vaz P, Freire L, Escrevente R, Negoita VM, Shakhmatov D, Nezerwa Y, Radulovic R, Moore R, Obery G, Viljoen F, Mendes T, Suarez A, Moncada E, Fernandez-Hevia M, Curtis Martínez C, Gil Garcia JM, González Zunzarren M, Idris T, Eklöv K, Grahn O, Amin L, Blomqvist M, Ajani C, Kraus R, Seeger N, Willemin M, Rayya F, Ayash M, Msouti R, Kannas I, Abazid E, Esper A, Slim S, Kavcar AS, Aytac E, Dural AC, Ilker A, Eray IC, Kurnaz E, Altiner S, Tepe MD, Sahin C, Savli E, Innocent A, Babirye L, Diachenko A, Hordoskiy V, Curry H, Chau CYC, Robertson H, Mahmoud A, Lennon H, Loi L, Kirkham E, McCann C, Watts D, Gurung B, Wilson M, Tribedi T, Garofalo E, Zahra B, MacDonald S, Daniels I, Ng N, Khosla S, Olivier J, Yue SYP, Suresh G, Wellington J, Lorejo E, Mossaad M, Tryliskyy Y, Crutcher M, Alimi M, Baiu I, Abdou H, Conway A, Peck C, Wagner G, Perdomo Perez MA, Trostchansky I, Zulu S, Nakazwe M, Knight SR, Drake TM, Nepogodiev D, Fitzgerald JE, Ademuyiwa A, Alexander P, Ingabire JA, Al-Saqqa SW, Biccard BM, Borda-Luque G, Borowski DW, Burger S, Chu K, Clarke D, Costas-Chavarri A, Davies J, Donaldson R, Ede C, Garden OJ, Ghosh D, Glasbey J, Kingham TP, Salem HK, Anyomih TTK, Koto MZ, Lapitan MC, Lawani I, Lesetedi C, Aguilera-Arevalo ML, Mabedi C, Maimbo M, Magill L, Makinde Alakaloko F, Makupe A, Martin J, Ramos-De la Medina A, Monahan M, Moore R, Msosa V, Mulira S, Mutabazi AZ, Muller E, Musowoyo J, Adisa AO, Olory-Togbe JL, Pius R, Qureshi AU, Rayne S, Roberts T, Sacdalan MD, Shaw CA, Smart N, Smith M, Spence R, Van Straten S, Tabiri S, Tayler V, Weiser TG, Windsor J, Yorke J, Yepez R, Lilford R, Morton D, Bhangu A, Sundar S, Harrison EM, Runigamugabo E, Verjee A, Chen J, Daya L, El Aroussi N, Farina V, Gnintedeme Olivier T, Gonzales Nacarino M, Hammani A, Honjo S, Jacobs R, Kimura H, Litvin A, Nkoronko M, Nour I, Oscullo Yepez JJ, Pagano G, Pata F, Pin Hung W, Raj A, Romani Pozo A, Rommaneh M, Sassamela Fabiano SC, Shiroma Gago CM, Shu Yip S, Srinivas A, Sung CY, Tai A, Valle Aranda YC, Venturini S, Vervoort D, Wilguens Lartigue J. Global variation in postoperative mortality and complications after cancer surgery: a multicentre, prospective cohort study in 82 countries. Lancet 2021; 397:387-397. [PMID: 33485461 PMCID: PMC7846817 DOI: 10.1016/s0140-6736(21)00001-5] [Citation(s) in RCA: 104] [Impact Index Per Article: 34.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 12/02/2020] [Accepted: 12/17/2020] [Indexed: 02/07/2023]
Abstract
BACKGROUND 80% of individuals with cancer will require a surgical procedure, yet little comparative data exist on early outcomes in low-income and middle-income countries (LMICs). We compared postoperative outcomes in breast, colorectal, and gastric cancer surgery in hospitals worldwide, focusing on the effect of disease stage and complications on postoperative mortality. METHODS This was a multicentre, international prospective cohort study of consecutive adult patients undergoing surgery for primary breast, colorectal, or gastric cancer requiring a skin incision done under general or neuraxial anaesthesia. The primary outcome was death or major complication within 30 days of surgery. Multilevel logistic regression determined relationships within three-level nested models of patients within hospitals and countries. Hospital-level infrastructure effects were explored with three-way mediation analyses. This study was registered with ClinicalTrials.gov, NCT03471494. FINDINGS Between April 1, 2018, and Jan 31, 2019, we enrolled 15 958 patients from 428 hospitals in 82 countries (high income 9106 patients, 31 countries; upper-middle income 2721 patients, 23 countries; or lower-middle income 4131 patients, 28 countries). Patients in LMICs presented with more advanced disease compared with patients in high-income countries. 30-day mortality was higher for gastric cancer in low-income or lower-middle-income countries (adjusted odds ratio 3·72, 95% CI 1·70-8·16) and for colorectal cancer in low-income or lower-middle-income countries (4·59, 2·39-8·80) and upper-middle-income countries (2·06, 1·11-3·83). No difference in 30-day mortality was seen in breast cancer. The proportion of patients who died after a major complication was greatest in low-income or lower-middle-income countries (6·15, 3·26-11·59) and upper-middle-income countries (3·89, 2·08-7·29). Postoperative death after complications was partly explained by patient factors (60%) and partly by hospital or country (40%). The absence of consistently available postoperative care facilities was associated with seven to 10 more deaths per 100 major complications in LMICs. Cancer stage alone explained little of the early variation in mortality or postoperative complications. INTERPRETATION Higher levels of mortality after cancer surgery in LMICs was not fully explained by later presentation of disease. The capacity to rescue patients from surgical complications is a tangible opportunity for meaningful intervention. Early death after cancer surgery might be reduced by policies focusing on strengthening perioperative care systems to detect and intervene in common complications. FUNDING National Institute for Health Research Global Health Research Unit.
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Fattah S, Ismaiel M, Murphy B, Rulikowska A, Frias JM, Winter DC, Brayden DJ. Salcaprozate sodium (SNAC) enhances permeability of octreotide across isolated rat and human intestinal epithelial mucosae in Ussing chambers. Eur J Pharm Sci 2020; 154:105509. [PMID: 32777258 DOI: 10.1016/j.ejps.2020.105509] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [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: 05/27/2020] [Revised: 07/21/2020] [Accepted: 08/04/2020] [Indexed: 12/12/2022]
Abstract
Octreotide is approved as a one-month injectable for treatment of acromegaly and neuroendocrine tumours. Oral delivery of the octapeptide is a challenge due mainly to low intestinal epithelial permeability. The intestinal permeation enhancer (PE) salcaprozate sodium (SNAC) has Generally Regarded As Safe (GRAS) status and is a component of an approved oral peptide formulation. The purpose of the study was to examine the capacity of salcaprozate sodium (SNAC), to increase its permeability across isolated rat intestinal mucosae from five regions and across human colonic mucosae mounted in Ussing chambers. Apical-side buffers were Kreb's-Henseleit (KH), fasted simulated intestinal fluid (FaSSIF-V2), rat simulated intestinal fluid (rSIF), and colonic simulated intestinal fluid (FaSSCoF). The basal apparent permeability coefficient (Papp) of [3H]-octreotide was equally low across rat intestinal regional mucosae in KH, rSIF, and FaSSIF-V2. Apical addition of 20 mM SNAC increased the Papp across rat tissue in KH: colon (by 3.2-fold) > ileum (3.4-fold) > upper jejunum (2.3-fold) > duodenum (1.4-fold) > stomach (1.4-fold). 20 mM and 40 mM SNAC also increased the Papp by 1.5-fold and 2.1-fold respectively across human colonic mucosae in KH. Transepithelial electrical resistance (TEER) values were reduced in the presence in SNAC especially in colonic regions. LC-MS/MS analysis of permeated unlabelled octreotide across human colonic mucosae in the presence of SNAC indicated that [3H]-octreotide remained intact. No gross damage was caused to rat or human mucosae by SNAC. Attenuation of the effects of SNAC was seen in rat jejunal mucosae incubated with FaSSIF-V2 and rSIF, and also to some extent in human colonic mucosae using FaSSCoF, suggesting interaction between SNAC with buffer components. In conclusion, SNAC showed potential as an intestinal permeation enhancer for octreotide, but in vivo efficacy may be attenuated by interactions with GI luminal fluid contents.
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Affiliation(s)
- Sarinj Fattah
- School of Veterinary Medicine, Conway Institute, and Science Foundation Ireland CÚRAM Centre for Medical Devices, University College Dublin (UCD), Belfield, Dublin 4, Ireland.
| | - Mohamed Ismaiel
- Department of Surgery, St. Vincent's University Hospital, Dublin 4, Ireland; School of Medicine and Medical Science, UCD, Belfield, Dublin 4, Ireland
| | - Brenda Murphy
- Department of Surgery, St. Vincent's University Hospital, Dublin 4, Ireland; School of Medicine and Medical Science, UCD, Belfield, Dublin 4, Ireland
| | - Aleksandra Rulikowska
- Environmental Sustainability and Health Institute. Technological University of Dublin, Dublin 7, Ireland
| | - Jesus M Frias
- Environmental Sustainability and Health Institute. Technological University of Dublin, Dublin 7, Ireland
| | - Desmond C Winter
- Department of Surgery, St. Vincent's University Hospital, Dublin 4, Ireland; School of Medicine and Medical Science, UCD, Belfield, Dublin 4, Ireland
| | - David J Brayden
- School of Veterinary Medicine, Conway Institute, and Science Foundation Ireland CÚRAM Centre for Medical Devices, University College Dublin (UCD), Belfield, Dublin 4, Ireland.
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Abstract
BACKGROUND Acute mesenteric ischaemia (AMI) is a life-threatening surgical emergency resulting from thromboembolic occlusion of the mesenteric vasculature. Traditional management of AMI has been open revascularisation with or without bowel resection-a procedure which carries considerable morbidity and mortality in an already unwell, compromised patient. Endovascular and more minimally invasive management approaches to AMI have been reported. Proponents of endovascular management suggest this approach may be associated with reduced morbidity and mortality compared with open surgery. OBJECTIVES To assess the impact of endovascular approach for AMI on mortality and need for subsequent laparotomy and/or bowel resection. DATA SOURCES The search bodies PubMed and Medline were interrogated. ELIGIBILITY CRITERIA, PARTICIPANTS AND INTERVENTIONS All studies in English with greater than 10 patients examining outcomes for patients undergoing endovascular intervention for acute mesenteric ischaemia were included. All patients over 18 years presenting with a diagnosis of acute mesenteric ischaemia secondary to an arterial thromboembolic source were included. Studies examining endovascular intervention alone or endovascular and open intervention were selected. RESULTS The 30-day mortality for endovascular approach from all 13 studies was 16-42%. Of the 7 comparative studies including results of open revascularisation, the 30-day mortality for patient treated with an endovascular approach was 15-39% versus 33-50% for open revascularisation. Laparotomy rates post-initial endovascular intervention ranged from 13 to 73%. Bowel resection post-endovascular therapy ranged from 14 to 40% among studies. Concerning 7 comparative studies for open versus endovascular revascularisation, the rate of bowel resection in the endovascular group ranged 14-28% and 33-63% in the open cohort. Endovascular intervention also demonstrated lower median length (s) of bowel resected. LIMITATIONS Heterogeneity of studies and patient populations studied including selection bias. CONCLUSIONS AND IMPLICATIONS OF FINDINGS Endovascular management may be associated with reduced mortality and need for/length of bowel resection compared with the traditional open approach, but there remains a paucity of robust data to support this. The available literature illustrates that a subgroup of patients without haemodynamic compromise and more insidious onset may garner benefit from endovascular intervention.
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Affiliation(s)
- B Murphy
- Departments of General Surgery, St. Vincent's University Hospital, Elm Park, Dublin 4, Ireland.
| | - C H C Dejong
- Departments of Surgery, Maastricht University, Maastricht, The Netherlands
| | - D C Winter
- Departments of General Surgery, St. Vincent's University Hospital, Elm Park, Dublin 4, Ireland
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McLean KA, Ahmed WUR, Akhbari M, Claireaux HA, English C, Frost J, Henshall DE, Khan M, Kwek I, Nicola M, Rehman S, Varghese S, Drake TM, Bell S, Nepogodiev D, McLean KA, Drake TM, Glasbey JC, Borakati A, Drake TM, Kamarajah S, McLean KA, Bath MF, Claireaux HA, Gundogan B, Mohan M, Deekonda P, Kong C, Joyce H, Mcnamee L, Woin E, Burke J, Khatri C, Fitzgerald JE, Harrison EM, Bhangu A, Nepogodiev D, Arulkumaran N, Bell S, Duthie F, Hughes J, Pinkney TD, Prowle J, Richards T, Thomas M, Dynes K, Patel M, Patel P, Wigley C, Suresh R, Shaw A, Klimach S, Jull P, Evans D, Preece R, Ibrahim I, Manikavasagar V, Smith R, Brown FS, Deekonda P, Teo R, Sim DPY, Borakati A, Logan AE, Barai I, Amin H, Suresh S, Sethi R, Bolton W, Corbridge O, Horne L, Attalla M, Morley R, Robinson C, Hoskins T, McAllister R, Lee S, Dennis Y, Nixon G, Heywood E, Wilson H, Ng L, Samaraweera S, Mills A, Doherty C, Woin E, Belchos J, Phan V, Chouari T, Gardner T, Goergen N, Hayes JDB, MacLeod CS, McCormack R, McKinley A, McKinstry S, Milligan W, Ooi L, Rafiq NM, Sammut T, Sinclair E, Smith M, Baker C, Boulton APR, Collins J, Copley HC, Fearnhead N, Fox H, Mah T, McKenna J, Naruka V, Nigam N, Nourallah B, Perera S, Qureshi A, Saggar S, Sun L, Wang X, Yang DD, Caroll P, Doyle C, Elangovan S, Falamarzi A, Perai KG, Greenan E, Jain D, Lang-Orsini M, Lim S, O'Byrne L, Ridgway P, Van der Laan S, Wong J, Arthur J, Barclay J, Bradley P, Edwin C, Finch E, Hayashi E, Hopkins M, Kelly D, Kelly M, McCartan N, Ormrod A, Pakenham A, Hayward J, Hitchen C, Kishore A, Martins T, Philomen J, Rao R, Rickards C, Burns N, Copeland M, Durand C, Dyal A, Ghaffar A, Gidwani A, Grant M, Gribbon C, Gruhn A, Leer M, Ahmad K, Beattie G, Beatty M, Campbell G, Donaldson G, Graham S, Holmes D, Kanabar S, Liu H, McCann C, Stewart R, Vara S, Ajibola-Taylor O, Andah EJE, Ani C, Cabdi NMO, Ito G, Jones M, Komoriyama A, Patel P, Titu L, Basra M, Gallogly P, Harinath G, Leong SH, Pradhan A, Siddiqui I, Zaat S, Ali A, Galea M, Looi WL, Ng JCK, Atkin G, Azizi A, Cargill Z, China Z, Elliot J, Jebakumar R, Lam J, Mudalige G, Onyerindu C, Renju M, Babu VS, Hussain M, Joji N, Lovett B, Mownah H, Ali B, Cresswell B, Dhillon AK, Dupaguntla YS, Hungwe C, Lowe-Zinola JD, Tsang JCH, Bevan K, Cardus C, Duggal A, Hossain S, McHugh M, Scott M, Chan F, Evans R, Gurung E, Haughey B, Jacob-Ramsdale B, Kerr M, Lee J, McCann E, O'Boyle K, Reid N, Hayat F, Hodgson S, Johnston R, Jones W, Khan M, Linn T, Long S, Seetharam P, Shaman S, Smart B, Anilkumar A, Davies J, Griffith J, Hughes B, Islam Y, Kidanu D, Mushaini N, Qamar I, Robinson H, Schramm M, Tan CY, Apperley H, Billyard C, Blazeby JM, Cannon SP, Carse S, Göpfert A, Loizidou A, Parkin J, Sanders E, Sharma S, Slade G, Telfer R, Huppatz IW, Worley E, Chandramoorthy L, Friend C, Harris L, Jain P, Karim MJ, Killington K, McGillicuddy J, Rafferty C, Rahunathan N, Rayne T, Varathan Y, Verma N, Zanichelli D, Arneill M, Brown F, Campbell B, Crozier L, Henry J, McCusker C, Prabakaran P, Wilson R, Asif U, Connor M, Dindyal S, Math N, Pagarkar A, Saleem H, Seth I, Sharma S, Standfield N, Swartbol T, Adamson R, Choi JE, El Tokhy O, Ho W, Javaid NR, Kelly M, Mehdi AS, Menon D, Plumptre I, Sturrock S, Turner J, Warren O, Crane E, Ferris B, Gadsby C, Smallwood J, Vipond M, Wilson V, Amarnath T, Doshi A, Gregory C, Kandiah K, Powell B, Spoor H, Toh C, Vizor R, Common M, Dunleavy K, Harris S, Luo C, Mesbah Z, Kumar AP, Redmond A, Skulsky S, Walsh T, Daly D, Deery L, Epanomeritakis E, Harty M, Kane D, Khan K, Mackey R, McConville J, McGinnity K, Nixon G, Ang A, Kee JY, Leung E, Norman S, Palaniappan SV, Sarathy PP, Yeoh T, Frost J, Hazeldine P, Jones L, Karbowiak M, Macdonald C, Mutarambirwa A, Omotade A, Runkel M, Ryan G, Sawers N, Searle C, Suresh S, Vig S, Ahmad A, McGartland R, Sim R, Song A, Wayman J, Brown R, Chang LH, Concannon K, Crilly C, Arnold TJ, Burgin A, Cadden F, Choy CH, Coleman M, Lim D, Luk J, Mahankali-Rao P, Prudence-Taylor AJ, Ramakrishnan D, Russell J, Fawole A, Gohil J, Green B, Hussain A, McMenamin L, McMenamin L, Tang M, Azmi F, Benchetrit S, Cope T, Haque A, Harlinska A, Holdsworth R, Ivo T, Martin J, Nisar T, Patel A, Sasapu K, Trevett J, Vernet G, Aamir A, Bird C, Durham-Hall A, Gibson W, Hartley J, May N, Maynard V, Johnson S, Wood CM, O'Brien M, Orbell J, Stringfellow TD, Tenters F, Tresidder S, Cheung W, Grant A, Tod N, Bews-Hair M, Lim ZH, Lim SW, Vella-Baldacchino M, Auckburally S, Chopada A, Easdon S, Goodson R, McCurdie F, Narouz M, Radford A, Rea E, Taylor O, Yu T, Alfa-Wali M, Amani L, Auluck I, Bruce P, Emberton J, Kumar R, Lagzouli N, Mehta A, Murtaza A, Raja M, Dennahy IS, Frew K, Given A, He YY, Karim MA, MacDonald E, McDonald E, McVinnie D, Ng SK, Pettit A, Sim DPY, Berthaume-Hawkins SD, Charnley R, Fenton K, Jones D, Murphy C, Ng JQ, Reehal R, Robinson H, Seraj SS, Shang E, Tonks A, White P, Yeo A, Chong P, Gabriel R, Patel N, Richardson E, Symons L, Aubrey-Jones D, Dawood S, Dobrzynska M, Faulkner S, Griffiths H, Mahmood F, Patel P, Perry M, Power A, Simpson R, Ali A, Brobbey P, Burrows A, Elder P, Ganyani R, Horseman C, Hurst P, Mann H, Marimuthu K, McBride S, Pilsworth E, Powers N, Stanier P, Innes R, Kersey T, Kopczynska M, Langasco N, Patel N, Rajagopal R, Atkins B, Beasley W, Lim ZC, Gill A, Ang HL, Williams H, Yogeswara T, Carter R, Fam M, Fong J, Latter J, Long M, Mackinnon S, McKenzie C, Osmanska J, Raghuvir V, Shafi A, Tsang K, Walker L, Bountra K, Coldicutt O, Fletcher D, Hudson S, Iqbal S, Bernal TL, Martin JWB, Moss-Lawton F, Smallwood J, Vipond M, Cardwell A, Edgerton K, Laws J, Rai A, Robinson K, Waite K, Ward J, Youssef H, Knight C, Koo PY, Lazarou A, Stanger S, Thorn C, Triniman MC, Botha A, Boyles L, Cumming S, Deepak S, Ezzat A, Fowler AJ, Gwozdz AM, Hussain SF, Khan S, Li H, Morrell BL, Neville J, Nitiahpapand R, Pickering O, Sagoo H, Sharma E, Welsh K, Denley S, Khan S, Agarwal M, Al-Saadi N, Bhambra R, Gupta A, Jawad ZAR, Jiao LR, Khan K, Mahir G, Singagireson S, Thoms BL, Tseu B, Wei R, Yang N, Britton N, Leinhardt D, Mahfooz M, Palkhi A, Price M, Sheikh S, Barker M, Bowley D, Cant M, Datta U, Farooqi M, Lee A, Morley G, Amin MN, Parry A, Patel S, Strang S, Yoganayagam N, Adlan A, Chandramoorthy S, Choudhary Y, Das K, Feldman M, France B, Grace R, Puddy H, Soor P, Ali M, Dhillon P, Faraj A, Gerard L, Glover M, Imran H, Kim S, Patrick Y, Peto J, Prabhudesai A, Smith R, Tang A, Vadgama N, Dhaliwal R, Ecclestone T, Harris A, Ong D, Patel D, Philp C, Stewart E, Wang L, Wong E, Xu Y, Ashaye T, Fozard T, Galloway F, Kaptanis S, Mistry P, Nguyen T, Olagbaiye F, Osman M, Philip Z, Rembacken R, Tayeh S, Theodoropoulou K, Herman A, Lau J, Saha A, Trotter M, Adeleye O, Cave D, Gunwa T, Magalhães J, Makwana S, Mason R, Parish M, Regan H, Renwick P, Roberts G, Salekin D, Sivakumar C, Tariq A, Liew I, McDade A, Stewart D, Hague M, Hudson-Peacock N, Jackson CES, James F, Pitt J, Walker EY, Aftab R, Ang JJ, Anwar S, Battle J, Budd E, Chui J, Crook H, Davies P, Easby S, Hackney E, Ho B, Imam SZ, Rammell J, Andrews H, Perry C, Schinle P, Ahmed P, Aquilina T, Balai E, Church M, Cumber E, Curtis A, Davies G, Dennis Y, Dumann E, Greenhalgh S, Kim P, King S, Metcalfe KHM, Passby L, Redgrave N, Soonawalla Z, Waters S, Zornoza A, Gulzar I, Hole J, Hull K, Ishaq H, Karaj J, Kelkar A, Love E, Patel S, Thakrar D, Vine M, Waterman A, Dib NP, Francis N, Hanson M, Ingleton R, Sadanand KS, Sukirthan N, Arnell S, Ball M, Bassam N, Beghal G, Chang A, Dawe V, George A, Huq T, Hussain A, Ikram B, Kanapeckaite L, Khan M, Ramjas D, Rushd A, Sait S, Serry M, Yardimci E, Capella S, Chenciner L, Episkopos C, Karam E, McCarthy C, Moore-Kelly W, Watson N, Ahluwalia V, Barnfield J, Ben-Gal O, Bloom I, Gharatya A, Khodatars K, Merchant N, Moonan A, Moore M, Patel K, Spiers H, Sundaram K, Turner J, Bath MF, Black J, Chadwick H, Huisman L, Ingram H, Khan S, Martin L, Metcalfe M, Sangal P, Seehra J, Thatcher A, Venturini S, Whitcroft I, Afzal Z, Brown S, Gani A, Gomaa A, 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Patil P, Peck FS, Reza N, Swan I, Whyte M, Chaudhry S, Hernon J, Khawar H, O'Brien J, Pullinger M, Rothnie K, Ujjal S, Bhatte S, Curtis J, Green S, Mayer A, Watkinson G, Chapple K, Hawthorne T, Khaliq M, Majkowski L, Malik TAM, Mclauchlan K, En BNW, Parton S, Robinson SD, Saat MI, Shurovi BN, Varatharasasingam K, Ward AE, Behranwala K, Bertelli M, Cohen J, Duff F, Fafemi O, Gupta R, Manimaran M, Mayhew J, Peprah D, Wong MHY, Farmer N, Houghton C, Kandhari N, Khan K, Ladha D, Mayes J, McLennan F, Panahi P, Seehra H, Agrawal R, Ahmed I, Ali S, Birkinshaw F, Choudhry M, Gokani S, Harrogate S, Jamal S, Nawrozzadeh F, Swaray A, Szczap A, Warusavitarne J, Abdalla M, Asemota N, Cullum R, Hartley M, Maxwell-Armstrong C, Mulvenna C, Phillips J, Yule A, Ahmed L, Clement KD, Craig N, Elseedawy E, Gorman D, Kane L, Livie J, Livie V, Moss E, Naasan A, Ravi F, Shields P, Zhu Y, Archer M, Cobley H, Dennis R, Downes C, Guevel B, Lamptey E, Murray H, Radhakrishnan A, Saravanabavan S, Sardar M, Shaw C, Tilliridou V, Wright R, Ye W, Alturki N, Helliwell R, Jones E, Kelly D, Lambotharan S, Scott K, Sivakumar R, Victor L, Boraluwe-Rallage H, Froggatt P, Haynes S, Hung YMA, Keyte A, Matthews L, Evans E, Haray P, John I, Mathivanan A, Morgan L, Oji O, Okorocha C, Rutherford A, Spiers H, Stageman N, Tsui A, Whitham R, Amoah-Arko A, Cecil E, Dietrich A, Fitzpatrick H, Guy C, Hair J, Hilton J, Jawad L, McAleer E, Taylor Z, Yap J, Akhbari M, Debnath D, Dhir T, Elbuzidi M, Elsaddig M, Glace S, Khawaja H, Koshy R, Lal K, Lobo L, McDermott A, Meredith J, Qamar MA, Vaidya A, Acquaah F, Barfi L, Carter N, Gnanappiragasam D, Ji C, Kaminski F, Lawday S, Mackay K, Sulaiman SK, Webb R, Ananthavarathan P, Dalal F, Farrar E, Hashemi R, Hossain M, Jiang J, Kiandee M, Lex J, Mason L, Matthews JH, McGeorge E, Modhwadia S, Pinkney T, Radotra A, Rickard L, Rodman L, Sales A, Tan KL, Bachi A, Bajwa DS, Battle J, Brown LR, Butler A, Calciu A, Davies E, Gardner I, Girdlestone T, Ikogho O, Keelan G, O'Loughlin P, Tam J, Elias J, Ngaage M, Thompson J, Bristow S, Brock E, Davis H, Pantelidou M, Sathiyakeerthy A, Singh K, Chaudhry A, Dickson G, Glen P, Gregoriou K, Hamid H, Mclean A, Mehtaji P, Neophytou G, Potts S, Belgaid DR, Burke J, Durno J, Ghailan N, Hanson M, Henshaw V, Nazir UR, Omar I, Riley BJ, Roberts J, Smart G, Van Winsen K, Bhatti A, Chan M, D'Auria M, Green S, Keshvala C, Li H, Maxwell-Armstrong C, Michaelidou M, Simmonds L, Smith C, Wimalathasan A, Abbas J, Cairns C, Chin YR, Connelly A, Moug S, Nair A, Svolkinas D, Coe P, Subar D, Wang H, Zaver V, Brayley J, Cookson P, Cunningham L, Gaukroger A, Ho M, Hough A, King J, O'Hagan D, Widdison A, Brown R, Brown B, Chavan A, Francis S, Hare L, Lund J, Malone N, Mavi B, McIlwaine A, Rangarajan S, Abuhussein N, Campbell HS, Daniels J, Fitzgerald I, Mansfield S, Pendrill A, Robertson D, Smart YW, Teng T, Yates J, Belgaumkar A, Katira A, Kossoff J, Kukran S, Laing C, Mathew B, Mohamed T, Myers S, Novell R, Phillips BL, Thomas M, Turlejski T, Turner S, Varcada M, Warren L, Wynell-Mayow W, Church R, Linley-Adams L, Osborn G, Saunders M, Spencer R, Srikanthan M, Tailor S, Tullett A, Ali M, Al-Masri S, Carr G, Ebhogiaye O, Heng S, Manivannan S, Manley J, McMillan LE, Peat C, Phillips B, Thomas S, Whewell H, Williams G, Bienias A, Cope EA, Courquin GR, Day L, Garner C, Gimson A, Harris C, Markham K, Moore T, Nadin T, Phillips C, Subratty SM, Brown K, Dada J, Durbacz M, Filipescu T, Harrison E, Kennedy ED, Khoo E, Kremel D, Lyell I, Pronin S, Tummon R, Ventre C, Walls L, Wootton E, Akhtar A, Davies E, El-Sawy D, Farooq M, Gaddah M, Griffiths H, Katsaiti I, Khadem N, Leong K, Williams I, Chean CS, Chudek D, Desai H, Ellerby N, Hammad A, Malla S, Murphy B, Oshin O, Popova P, Rana S, Ward T, Abbott TEF, Akpenyi O, Edozie F, El Matary R, English W, Jeyabaladevan S, Morgan C, Naidu V, Nicholls K, Peroos S, Prowle J, Sansome S, Torrance HD, Townsend D, Brecher J, Fung H, Kazmi Z, Outlaw P, Pursnani K, Ramanujam N, Razaq A, Sattar M, Sukumar S, Tan TSE, Chohan K, Dhuna S, Haq T, Kirby S, Lacy-Colson J, Logan P, Malik Q, McCann J, Mughal Z, Sadiq S, Sharif I, Shingles C, Simon A, Burnage S, Chan SSN, Craig ARJ, Duffield J, Dutta A, Eastwood M, Iqbal F, Mahmood F, Mahmood W, Patel C, Qadeer A, Robinson A, Rotundo A, Schade A, Slade RD, De Freitas M, Kinnersley H, McDowell E, Moens-Lecumberri S, Ramsden J, Rockall T, Wiffen L, Wright S, Bruce C, Francois V, Hamdan K, Limb C, Lunt AJ, Manley L, Marks M, Phillips CFE, Agnew CJF, Barr CJ, Benons N, Hart SJ, Kandage D, Krysztopik R, Mahalingam P, Mock J, Rajendran S, Stoddart MT, Clements B, Gillespie H, Lee S, McDougall R, Murray C, O'Loane R, Periketi S, Tan S, Amoah R, Bhudia R, Dudley B, Gilbert A, Griffiths B, Khan H, McKigney N, Roberts B, Samuel R, Seelarbokus A, Stubbing-Moore A, Thompson G, Williams P, Ahmed N, Akhtar R, Chandler E, Chappelow I, Gil H, Gower T, Kale A, Lingam G, Rutler L, Sellahewa C, Sheikh A, Stringer H, Taylor R, Aglan H, Ashraf MR, Choo S, Das E, Epstein J, Gentry R, Mills D, Poolovadoo Y, Ward N, Bull K, Cole A, Hack J, Khawari S, Lake C, Mandishona T, Perry R, Sleight S, Sultan S, Thornton T, Williams S, Arif T, Castle A, Chauhan P, Chesner R, Eilon T, Kamarajah S, Kambasha C, Lock L, Loka T, Mohammad F, Motahariasl S, Roper L, Sadhra SS, Sheikh A, Toma T, Wadood Q, Yip J, Ainger E, Busti S, Cunliffe L, Flamini T, Gaffing S, Moorcroft C, Peter M, Simpson L, Stokes E, Stott G, Wilson J, York J, Yousaf A, Borakati A, Brown M, Goaman A, Hodgson B, Ijeomah A, Iroegbu U, Kaur G, Lowe C, Mahmood S, Sattar Z, Sen P, Szuman A, Abbas N, Al-Ausi M, Anto N, Bhome R, Eccles L, Elliott J, Hughes EJ, Jones A, Karunatilleke AS, Knight JS, Manson CCF, Mekhail I, Michaels L, Noton TM, Okenyi E, Reeves T, Yasin IH, Banfield DA, Harris R, Lim D, Mason-Apps C, Roe T, Sandhu J, Shafiq N, Stickler E, Tam JP, Williams LM, Ainsworth P, Boualbanat Y, Doull C, Egan E, Evans L, Hassanin K, Ninkovic-Hall G, Odunlami W, Shergill M, Traish M, Cummings D, Kershaw S, Ong J, Reid F, Toellner H, Alwandi A, Amer M, George D, Haynes K, Hughes K, Peakall L, Premakumar Y, Punjabi N, Ramwell A, Sawkins H, Ashwood J, Baker A, Baron C, Bhide I, Blake E, De Cates C, Esmail R, Hosamuddin H, Kapp J, Nguru N, Raja M, Thomson F, Ahmed H, Aishwarya G, Al-Huneidi R, Ali S, Aziz R, Burke D, Clarke B, Kausar A, Maskill D, Mecia L, Myers L, Smith ACD, Walker G, Wroe N, Donohoe C, Gibbons D, Jordan P, Keogh C, Kiely A, Lalor P, McCrohan M, Powell C, Foley MP, Reynolds J, Silke E, Thorpe O, Kong JTH, White C, Ali Q, Dalrymple J, Ge Y, Khan H, Luo RS, Paine H, Paraskeva B, Parker L, Pillai K, Salciccioli J, Selvadurai S, Sonagara V, Springford LR, Tan L, Appleton S, Leadholm N, Zhang Y, Ahern D, Cotter M, Cremen S, Durrigan T, Flack V, Hrvacic N, Jones H, Jong B, Keane K, O'Connell PR, O'sullivan J, Pek G, Shirazi S, Barker C, Brown A, Carr W, Chen Y, Guillotte C, Harte J, Kokayi A, Lau K, McFarlane S, Morrison S, Broad J, Kenefick N, Makanji D, Printz V, Saito R, Thomas O, Breen H, Kirk S, Kong CH, O'Kane A, Eddama M, Engledow A, Freeman SK, Frost A, Goh C, Lee G, Poonawala R, Suri A, Taribagil P, Brown H, Christie S, Dean S, Gravell R, Haywood E, Holt F, Pilsworth E, Rabiu R, Roscoe HW, Shergill S, Sriram A, Sureshkumar A, Tan LC, Tanna A, Vakharia A, Bhullar S, Brannick S, Dunne E, Frere M, Kerin M, Kumar KM, Pratumsuwan T, Quek R, Salman M, Van Den Berg N, Wong C, Ahluwalia J, Bagga R, Borg CM, Calabria C, Draper A, Farwana M, Joyce H, Khan A, Mazza M, Pankin G, Sait MS, Sandhu N, Virani N, Wong J, Woodhams K, Croghan N, Ghag S, Hogg G, Ismail O, John N, Nadeem K, Naqi M, Noe SM, Sharma A, Tan S, Begum F, Best R, Collishaw A, Glasbey J, Golding D, Gwilym B, Harrison P, Jackman T, Lewis N, Luk YL, Porter T, Potluri S, Stechman M, Tate S, Thomas D, Walford B, Auld F, Bleakley A, Johnston S, Jones C, Khaw J, Milne S, O'Neill S, Singh KKR, Smith R, Swan A, Thorley N, Yalamarthi S, Yin ZD, Ali A, Balian V, Bana R, Clark K, Livesey C, McLachlan G, Mohammad M, Pranesh N, Richards C, Ross F, Sajid M, Brooke M, Francombe J, Gresly J, Hutchinson S, Kerrigan K, Matthews E, Nur S, Parsons L, Sandhu A, Vyas M, White F, Zulkifli A, Zuzarte L, Al-Mousawi A, Arya J, Azam S, Yahaya AA, Gill K, Hallan R, Hathaway C, Leptidis I, McDonagh L, Mitrasinovic S, Mushtaq N, Pang N, Peiris GB, Rinkoff S, Chan L, Christopher E, Farhan-Alanie MMH, Gonzalez-Ciscar A, Graham CJ, Lim H, McLean KA, Paterson HM, Rogers A, Roy C, Rutherford D, Smith F, Zubikarai G, Al-Khudairi R, Bamford M, Chang M, Cheng J, Hedley C, Joseph R, Mitchell B, Perera S, Rothwell L, Siddiqui A, Smith J, Taylor K, Wright OW, Baryan HK, Boyd G, Conchie H, Cox L, Davies J, Gardner S, Hill N, Krishna K, Lakin F, Scotcher S, Alberts J, Asad M, Barraclough J, Campbell A, Marshall D, Wakeford W, Cronbach P, D'Souza F, Gammeri E, Houlton J, Hall M, Kethees A, Patel R, Perera M, Prowle J, Shaid M, Webb E, Beattie S, Chadwick M, El-Taji O, Haddad S, Mann M, Patel M, Popat K, Rimmer L, Riyat H, Smith H, Anandarajah C, Cipparrone M, Desai K, Gao C, Goh ET, Howlader M, Jeffreys N, Karmarkar A, Mathew G, Mukhtar H, Ozcan E, Renukanthan A, Sarens N, Sinha C, Woolley A, Bogle R, Komolafe O, Loo F, Waugh D, Zeng R, Crewe A, Mathias J, Mills A, Owen A, Prior A, Saunders I, Baker A, Crilly L, McKeon J, Ubhi HK, Adeogun A, Carr R, Davison C, Devalia S, Hayat A, Karsan RB, Osborne C, Scott K, Weegenaar C, Wijeyaratne M, Babatunde F, Barnor-Ahiaku E, Beattie G, Chitsabesan P, Dixon O, Hall N, Ilenkovan N, Mackrell T, Nithianandasivam N, Orr J, Palazzo F, Saad M, Sandland-Taylor L, Sherlock J, Ashdown T, Chandler S, Garsaa T, Lloyd J, Loh SY, Ng S, Perkins C, Powell-Chandler A, Smith F, Underhill R. Perioperative intravenous contrast administration and the incidence of acute kidney injury after major gastrointestinal surgery: prospective, multicentre cohort study. Br J Surg 2020; 107:1023-1032. [PMID: 32026470 DOI: 10.1002/bjs.11453] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/21/2019] [Accepted: 11/08/2019] [Indexed: 01/14/2023]
Abstract
BACKGROUND This study aimed to determine the impact of preoperative exposure to intravenous contrast for CT and the risk of developing postoperative acute kidney injury (AKI) in patients undergoing major gastrointestinal surgery. METHODS This prospective, multicentre cohort study included adults undergoing gastrointestinal resection, stoma reversal or liver resection. Both elective and emergency procedures were included. Preoperative exposure to intravenous contrast was defined as exposure to contrast administered for the purposes of CT up to 7 days before surgery. The primary endpoint was the rate of AKI within 7 days. Propensity score-matched models were adjusted for patient, disease and operative variables. In a sensitivity analysis, a propensity score-matched model explored the association between preoperative exposure to contrast and AKI in the first 48 h after surgery. RESULTS A total of 5378 patients were included across 173 centres. Overall, 1249 patients (23·2 per cent) received intravenous contrast. The overall rate of AKI within 7 days of surgery was 13·4 per cent (718 of 5378). In the propensity score-matched model, preoperative exposure to contrast was not associated with AKI within 7 days (odds ratio (OR) 0·95, 95 per cent c.i. 0·73 to 1·21; P = 0·669). The sensitivity analysis showed no association between preoperative contrast administration and AKI within 48 h after operation (OR 1·09, 0·84 to 1·41; P = 0·498). CONCLUSION There was no association between preoperative intravenous contrast administered for CT up to 7 days before surgery and postoperative AKI. Risk of contrast-induced nephropathy should not be used as a reason to avoid contrast-enhanced CT.
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Kohutek Z, Bradham W, Smith D, Slosky D, Murphy B. Characterization of Cardiac Function, Pulmonary Function and Body Composition Before and after Concurrent Chemoradiotherapy for Head and Neck Cancer. Int J Radiat Oncol Biol Phys 2020. [DOI: 10.1016/j.ijrobp.2019.11.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Daglas R, Cotton S, Allott K, Yücel M, Macneil C, Hasty M, Murphy B, Pantelis C, Hallam K, Henry L, Conus P, Ratheesh A, Kader L, Wong M, McGorry P, Berk M. A single-blind, randomised controlled trial on the effects of lithium and quetiapine monotherapy on the trajectory of cognitive functioning in first episode mania: A 12-month follow-up study. Eur Psychiatry 2020; 31:20-8. [DOI: 10.1016/j.eurpsy.2015.09.460] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2015] [Revised: 09/25/2015] [Accepted: 09/27/2015] [Indexed: 11/30/2022] Open
Abstract
AbstractBackgroundCognitive deficits have been reported during the early stages of bipolar disorder; however, the role of medication on such deficits remains unclear. The aim of this study was to compare the effects of lithium and quetiapine monotherapy on cognitive performance in people following first episode mania.MethodsThe design was a single-blind, randomised controlled trial on a cohort of 61 participants following first episode mania. Participants received either lithium or quetiapine monotherapy as maintenance treatment over a 12-month follow-up period. The groups were compared on performance outcomes using an extensive cognitive assessment battery conducted at baseline, month 3 and month 12 follow-up time-points.ResultsThere was a significant interaction between group and time in phonemic fluency at the 3-month and 12-month endpoints, reflecting greater improvements in performance in lithium-treated participants relative to quetiapine-treated participants. After controlling for multiple comparisons, there were no other significant interactions between group and time for other measures of cognition.ConclusionAlthough the effects of lithium and quetiapine treatment were similar for most cognitive domains, the findings imply that early initiation of lithium treatment may benefit the trajectory of cognition, specifically verbal fluency in young people with bipolar disorder. Given that cognition is a major symptomatic domain of bipolar disorder and has substantive effects on general functioning, the ability to influence the trajectory of cognitive change is of considerable clinical importance.
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Zaborowski AM, Murphy B, Creavin B, Rogers AC, Kennelly R, Hanly A, Martin ST, O'Connell PR, Sheahan K, Winter DC. Clinicopathological features and oncological outcomes of patients with young-onset rectal cancer. Br J Surg 2020; 107:606-612. [PMID: 32149397 DOI: 10.1002/bjs.11526] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2019] [Revised: 11/20/2019] [Accepted: 01/12/2020] [Indexed: 12/30/2022]
Abstract
BACKGROUND The incidence of rectal cancer among adults aged less than 50 years is rising. Survival data are limited and conflicting, and the oncological benefit of standard neoadjuvant and adjuvant therapies is unclear. METHODS Disease-specific outcomes of patients diagnosed with rectal cancer undergoing surgical resection with curative intent between 2006 and 2016 were analysed. RESULTS A total of 797 patients with rectal cancer were identified, of whom 685 had surgery with curative intent. Seventy patients were younger than 50 years and 615 were aged 50 years or more. Clinical stage did not differ between the two age groups. Patients aged less than 50 years were more likely to have microsatellite instability (9 versus 1·6 per cent; P = 0·003) and Lynch syndrome (7 versus 0 per cent; P < 0·001). Younger patients were also more likely to receive neoadjuvant chemoradiotherapy (67 versus 53·3 per cent; P = 0·003) and adjuvant chemotherapy (41 versus 24·2 per cent; P = 0·006). Five-year overall survival was better in those under 50 years old (80 versus 72 per cent; P = 0·013). The 5-year disease-free survival rate was 81 per cent in both age groups (P = 0·711). There were no significant differences in the development of locoregional recurrence or distant metastases. CONCLUSION Despite accessing more treatment, young patients have disease-specific outcomes comparable to those of their older counterparts.
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Affiliation(s)
- A M Zaborowski
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - B Murphy
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - B Creavin
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - A C Rogers
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - R Kennelly
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - A Hanly
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - S T Martin
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - P R O'Connell
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Dublin, Ireland
| | - K Sheahan
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland
| | - D C Winter
- Centre for Colorectal Disease, St Vincent's University Hospital, Dublin, Ireland.,School of Medicine, University College Dublin, Dublin, Ireland
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Kuhn L, Zaman S, Fooladi E, Enticott J, Xu A, Murphy B, Cameron J. 634 Comparison of Major Adverse Cardiovascular Events up to Two Years After Discharge From an Emergency Department Presentation With Chest Pain and Abdominal Pain. Heart Lung Circ 2020. [DOI: 10.1016/j.hlc.2020.09.641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Young D, Willett F, Memberg WD, Murphy B, Walter B, Sweet J, Miller J, Hochberg LR, Kirsch RF, Ajiboye AB. Signal processing methods for reducing artifacts in microelectrode brain recordings caused by functional electrical stimulation. J Neural Eng 2019; 15:026014. [PMID: 29199642 DOI: 10.1088/1741-2552/aa9ee8] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Functional electrical stimulation (FES) is a promising technology for restoring movement to paralyzed limbs. Intracortical brain-computer interfaces (iBCIs) have enabled intuitive control over virtual and robotic movements, and more recently over upper extremity FES neuroprostheses. However, electrical stimulation of muscles creates artifacts in intracortical microelectrode recordings that could degrade iBCI performance. Here, we investigate methods for reducing the cortically recorded artifacts that result from peripheral electrical stimulation. APPROACH One participant in the BrainGate2 pilot clinical trial had two intracortical microelectrode arrays placed in the motor cortex, and thirty-six stimulating intramuscular electrodes placed in the muscles of the contralateral limb. We characterized intracortically recorded electrical artifacts during both intramuscular and surface stimulation. We compared the performance of three artifact reduction methods: blanking, common average reference (CAR) and linear regression reference (LRR), which creates channel-specific reference signals, composed of weighted sums of other channels. MAIN RESULTS Electrical artifacts resulting from surface stimulation were 175 × larger than baseline neural recordings (which were 110 µV peak-to-peak), while intramuscular stimulation artifacts were only 4 × larger. The artifact waveforms were highly consistent across electrodes within each array. Application of LRR reduced artifact magnitudes to less than 10 µV and largely preserved the original neural feature values used for decoding. Unmitigated stimulation artifacts decreased iBCI decoding performance, but performance was almost completely recovered using LRR, which outperformed CAR and blanking and extracted useful neural information during stimulation artifact periods. SIGNIFICANCE The LRR method was effective at reducing electrical artifacts resulting from both intramuscular and surface FES, and almost completely restored iBCI decoding performance (>90% recovery for surface stimulation and full recovery for intramuscular stimulation). The results demonstrate that FES-induced artifacts can be easily mitigated in FES + iBCI systems by using LRR for artifact reduction, and suggest that the LRR method may also be useful in other noise reduction applications.
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Affiliation(s)
- D Young
- Case Western Reserve University, Cleveland, OH, United States of America. Department of VA Medical Center, FES Center of Excellence, Rehabilitation R&D Service, Louis Stokes Cleveland, Cleveland, OH, United States of America
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Adams NC, Griffin E, Motyer R, Farrell T, Carmody E, O'Shea A, Murphy B, O'Hare A, Looby S, Power S, Brennan P, Doyle KM, Thornton J. Review of external referrals to a regional stroke centre: it is not just about thrombectomy. Clin Radiol 2019; 74:950-955. [PMID: 31521325 DOI: 10.1016/j.crad.2019.07.021] [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] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2018] [Accepted: 07/26/2019] [Indexed: 02/02/2023]
Abstract
AIMS To determine the experience of a regional stroke referral centre of external referrals for endovascular thrombectomy (EVT) in patients with symptoms of acute ischaemic stroke (AIS) and large vessel occlusion (LVO). MATERIALS AND METHODS Data were collected prospectively over two 4-month periods (2017-2018) on consecutive external referrals for EVT. Baseline demographics, imaging findings, and key time parameters were recorded. Reasons for not transferring patients and for not performing EVT were recorded. Key time intervals were calculated and compared between the transferred and non-transferred group with and without intracranial occlusion and between the transferred patients who underwent thrombectomy and those who did not. RESULTS Two hundred and sixty-two patients were referred. Sixty-one percent (n=159) were accepted and transferred for treatment. Of those transferred, 86% (n=136) had EVT. Fourteen percent (n=23) were unsuitable for EVT on arrival due to no vessel occlusion (48% n=11), poor Alberta Stroke Program Early CT Score (ASPECTS)/established infarct (30%, n=7) haemorrhage (9%, n=2), and clinical recovery (13% n=3). One hundred and three patients (39%) were ineligible for EVT following phone discussion due to absence of intracranial occlusion (59%, n=61), low ASPECTS (22%, n=23), distal occlusion (4%, n=4), low/improving National Institutes of Health Stroke Scale (NIHSS; 10.7%, n=11), and poor modified Rankin Scale (mRS) at baseline (3%, n=3). Patients with LVO but not transferred had longer onset to hospital arrival time compared with those transferred 151.5 versus 91 minutes (p<0.005), with a trend also toward a longer door to CT/CTA 40 minutes versus 30 minutes (p=0.142). CONCLUSION These data provide valuable insights into the service provision of a comprehensive stroke network. The present rates of EVT and futile transfers are modest compared to published data. Access to neuroradiology and specialised stroke assessment is crucial to optimise time to treatment.
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Affiliation(s)
- N C Adams
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland.
| | - E Griffin
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - R Motyer
- Department of Radiology, Tallaght Hospital, Tallaght, Dublin 24, Ireland
| | - T Farrell
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - E Carmody
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - A O'Shea
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - B Murphy
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - A O'Hare
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - S Looby
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - S Power
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - P Brennan
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland
| | - K M Doyle
- Department of Physiology, School of Medicine, National University of Ireland, Galway, Ireland
| | - J Thornton
- Interventional Neuroradiology Service, Department of Radiology, Beaumont Hospital, Dublin, Ireland; Honorary Clinical Associate Professor, Royal College of Surgeons, 123 St Stephens Green, Dublin, Ireland
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Murphy B, Winter DC, Kavanagh DO. Small Bowel Gastrointestinal Bleeding Diagnosis and Management-A Narrative Review. Front Surg 2019; 6:25. [PMID: 31157232 PMCID: PMC6532547 DOI: 10.3389/fsurg.2019.00025] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [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: 03/12/2019] [Accepted: 04/24/2019] [Indexed: 12/22/2022] Open
Abstract
Background: Small bowel bleeding accounts for 5-10% of all gastrointestinal bleeding. Despite advances in imaging, endoscopy and minimally invasive therapeutic techniques, its diagnosis and treatment remains a challenge and a standardized algorithm for approaching suspected small bowel bleeding remains elusive. Furthermore, the choice of investigation is subject to timing of presentation and accessibility to investigations. The aim of this study was to construct a narrative review of recent literature surrounding the diagnosis and management of small bowel bleeding. Methods: A literature review was conducted examining the database pubmed with the following key words and Boolean operators: occult GI bleed OR mesenteric bleed OR gastrointestinal hemorrhage OR GI hemorrhage AND management. Articles were selected and reviewed based on relevance to the research topic. Where necessary, the full text was sought to further assess relevance. Results: In overt GI bleeding, CT angiography and red cell scintigraphy are both feasible and reliable diagnostic imaging modalities if standard endoscopy is negative. Red cell scintigraphy may be advantageous through detection of lower bleeding rates but it is subject to availability. Overt bleeding and a positive CT angiogram or red cell scan improves the diagnostic yield of formal angiography ± embolization. Video capsule endoscopy or double balloon endoscopy can be considered in occult GI bleeding following normal upper and lower endoscopy. Conclusions: Small bowel bleeding remains a rare but significant diagnostic and therapeutic challenge. Technological advances in diagnostics have aided evaluation but have not broadened the range of therapeutic interventions.
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Affiliation(s)
- B. Murphy
- Department of Colorectal Surgery, University Hospital Tallaght, Dublin, Ireland
- Department of Colorectal Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - D. C. Winter
- Department of Colorectal Surgery, St. Vincent's University Hospital, Dublin, Ireland
| | - D. O. Kavanagh
- Department of Colorectal Surgery, University Hospital Tallaght, Dublin, Ireland
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Murphy B, McCourt C, O'Kane D. Risk factors for development of systemic lupus erythematosus in patients with cutaneous lupus: a retrospective review. Clin Exp Dermatol 2019; 44:e26-e27. [DOI: 10.1111/ced.13802] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/17/2018] [Indexed: 11/26/2022]
Affiliation(s)
- B. Murphy
- Department of Dermatology; Royal Victoria Hospital; Grosvenor Road Belfast BT12 6BA UK
| | - C. McCourt
- Department of Dermatology; Royal Victoria Hospital; Grosvenor Road Belfast BT12 6BA UK
| | - D. O'Kane
- Department of Dermatology; Royal Victoria Hospital; Grosvenor Road Belfast BT12 6BA UK
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Dalvi T, McLaurin K, Briceno J, Nordstrom B, Bennett J, Hettle R, Murphy B, Collins J, McCutcheon S. Abstract P1-09-13: A real world evidence study of BRCA mutations and survival in HER2-negative breast cancer. Cancer Res 2019. [DOI: 10.1158/1538-7445.sabcs18-p1-09-13] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Abstract
Background: Limited data exist on the natural history (treated with standard of care) of metastatic breast cancer (mBC) characterized by germline breast cancer susceptibility gene mutations (gBRCAm). Real-world data examining survival for patients with gBRCAm mBC, overall and separated into gBRCA1m and gBRCA2m, compared to gBRCA wild type (wt) mBC, can help to clarify the prognostic outlook associated with the gBRCA mutation.
Methods: Adults with human epidermal growth factor receptor 2 negative (HER2-) mBC diagnosed from January 2013 – August 2017 were retrospectively selected from the Flatiron Health Oncology electronic medical record database. Patients were classified as having gBRCA1m, gBRCA2m, or gBRCAwt disease. Those who did not receive the genetic testing or who had equivocal results were classified as gBRCA unknown. Overall survival (OS) was calculated from first diagnosis of mBC, as well as from the start of first- and second-line therapy for metastatic disease. Lines of therapy included both hormonal and systemic therapies. Kaplan-Meier analyses provided median OS with 95% confidence interval (CI). Unadjusted log-rank tests compared OS between gBRCA1m and gBRCA2m, and between overall gBRCAm and gBRCAwt.
Results: Of 8,080 patients selected, mean age at first mBC diagnosis was 64 years, 98.7% were female, and 82.0% had evidence of hormone receptor positive disease. gBRCA status was known for 1,852 (22.9%) of patients, of whom 89 (4.8%) had gBRCA1m, 152 (8.2%) had gBRCA2m, and 8 (0.4%) had both gBRCA mutations. Patients with known gBRCA status were younger, with mean ages of 52 years for gBRCAm, 55 years for gBRCAwt, and 67 years for gBRCA unknown. Hormone receptor positive disease was less common among those with known gBRCA status (71.9%, 77.2%, and 83.6% for gBRCAm, gBRCAwt, and gBRCA unknown, respectively). Median (95% CI) OS from mBC diagnosis was 22 (14 - 26) months for gBRCA1m and 30 (27 - 37) months for gBRCA2m (p = 0.01), though numbers were quite small by the median timepoint. Overall gBRCAm disease was associated with median survival of 28 (25 - 32) months, compared to 32 (30 - 35) months for gBRCAwt (p = 0.07); survival was similar between groups for the first 24 months but declined thereafter in the gBRCAm group. Similar patterns were observed for OS after the start of first- and second-line therapy, although no comparisons were significant. Further analyses will present adjusted results and comparisons with outcomes for the patients with gBRCA unknown.
Conclusions: This real-world study of patients receiving care in largely community oncology clinics suggests that survival after diagnosis of mBC is reduced in patients with gBRCA1m compared to gBRCA2m disease and may be reduced in gBRCAm mBC overall. Effective treatments targeted for the gBRCAm subtypes of mBC appear to be needed.
Citation Format: Dalvi T, McLaurin K, Briceno J, Nordstrom B, Bennett J, Hettle R, Murphy B, Collins J, McCutcheon S. A real world evidence study of BRCA mutations and survival in HER2-negative breast cancer [abstract]. In: Proceedings of the 2018 San Antonio Breast Cancer Symposium; 2018 Dec 4-8; San Antonio, TX. Philadelphia (PA): AACR; Cancer Res 2019;79(4 Suppl):Abstract nr P1-09-13.
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Affiliation(s)
- T Dalvi
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - K McLaurin
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - J Briceno
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - B Nordstrom
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - J Bennett
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - R Hettle
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - B Murphy
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - J Collins
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
| | - S McCutcheon
- AstraZeneca, Gaithersburg, MD; Real-World Evidence, Evidera, Waltham, MA
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Young D, Willett F, Memberg WD, Murphy B, Rezaii P, Walter B, Sweet J, Miller J, Shenoy KV, Hochberg LR, Kirsch RF, Ajiboye AB. Closed-loop cortical control of virtual reach and posture using Cartesian and joint velocity commands. J Neural Eng 2018; 16:026011. [PMID: 30523839 DOI: 10.1088/1741-2552/aaf606] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
OBJECTIVE Brain-computer interfaces (BCIs) are a promising technology for the restoration of function to people with paralysis, especially for controlling coordinated reaching. Typical BCI studies decode Cartesian endpoint velocities as commands, but human arm movements might be better controlled in a joint-based coordinate frame, which may match underlying movement encoding in the motor cortex. A better understanding of BCI controlled reaching by people with paralysis may lead to performance improvements in brain-controlled assistive devices. APPROACH Two intracortical BCI participants in the BrainGate2 pilot clinical trial performed a visual 3D endpoint virtual reality reaching task using two decoders: Cartesian and joint velocity. Task performance metrics (i.e. success rate and path efficiency) and single feature and population tuning were compared across the two decoder conditions. The participants also demonstrated the first BCI control of a fourth dimension of reaching, the arm's swivel angle, in a 4D posture matching task. MAIN RESULTS Both users achieved significantly higher success rates using Cartesian velocity control, and joint controlled trajectories were more variable and significantly more curved. Neural tuning analyses showed that most single feature activity was best described by a Cartesian kinematic encoding model, and population analyses revealed only slight differences in aggregate activity between the decoder conditions. Simulations of a BCI user reproduced trajectory features seen during closed-loop joint control when assuming only Cartesian-tuned features passed through a joint decoder. With minimal training, both participants controlled the virtual arm's swivel angle to complete a 4D posture matching task, and achieved significantly higher success using a Cartesian + swivel velocity decoder compared to a joint velocity decoder. SIGNIFICANCE These results suggest that Cartesian velocity command interfaces may provide better BCI control of arm movements than other kinematic variables, even in 4D posture tasks with swivel angle targets.
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Affiliation(s)
- D Young
- Case Western Reserve University, Cleveland, OH, United States of America. Department of VA Medical Center, FES Center of Excellence, Rehabilitation R&D Service, Louis Stokes Cleveland, Cleveland, OH, United States of America
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Spriet M, Espinosa‐Mur P, Cissell DD, Phillips KL, Arino‐Estrada G, Beylin D, Stepanov P, Katzman SA, Galuppo LD, Garcia‐Nolen T, Murphy B, Stover SM. 18
F‐sodium fluoride positron emission tomography of the racing Thoroughbred fetlock: Validation and comparison with other imaging modalities in nine horses. Equine Vet J 2018; 51:375-383. [DOI: 10.1111/evj.13019] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 09/06/2018] [Indexed: 11/28/2022]
Affiliation(s)
- M. Spriet
- School of Veterinary Medicine University of California Davis California USA
| | - P. Espinosa‐Mur
- School of Veterinary Medicine University of California Davis California USA
| | - D. D. Cissell
- School of Veterinary Medicine University of California Davis California USA
| | - K. L. Phillips
- School of Veterinary Medicine University of California Davis California USA
| | - G. Arino‐Estrada
- School of Veterinary Medicine University of California Davis California USA
| | - D. Beylin
- Brain Biosciences, Inc. Rockville Maryland USA
| | - P. Stepanov
- Brain Biosciences, Inc. Rockville Maryland USA
| | - S. A. Katzman
- School of Veterinary Medicine University of California Davis California USA
| | - L. D. Galuppo
- School of Veterinary Medicine University of California Davis California USA
| | - T. Garcia‐Nolen
- School of Veterinary Medicine University of California Davis California USA
| | - B. Murphy
- School of Veterinary Medicine University of California Davis California USA
| | - S. M. Stover
- School of Veterinary Medicine University of California Davis California USA
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Affiliation(s)
- B Murphy
- Department of Dermatology, Ulster Hospital, Upper Newtownards Road, Dundonald, Belfast, UK
| | - M Duffin
- Department of Dermatology, Ulster Hospital, Upper Newtownards Road, Dundonald, Belfast, UK
| | - J Tolland
- Department of Dermatology, Ulster Hospital, Upper Newtownards Road, Dundonald, Belfast, UK
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Garvey A, Powell J, Murphy B, O'Connell N, Imcha M, Philip R. Youngest survivor of perinatal infection by Eikenella corrodens : case analysis and literature review highlighting the merits of placental swab culture. New Microbes New Infect 2018; 21:81-85. [PMID: 29263790 PMCID: PMC5726748 DOI: 10.1016/j.nmni.2017.10.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2017] [Revised: 10/23/2017] [Accepted: 10/27/2017] [Indexed: 11/24/2022] Open
Abstract
Eikenella corrodens has been noted as a causative organism in both neonatal and perinatal sepsis. Positivity of blood cultures at birth among preterm infants may be influenced by the maternal use of peripartum antimicrobials and a normal C-reactive protein result within the first 24 hours need not always reflect the absence of fetal invasion by the highly pathogenic organisms. For these reasons, supportive and adjunctive approaches such as appropriately collected placental swabs for culture would be of value in optimizing the antimicrobial choice for sick preterm infants during the early neonatal period. Fetal infection by E. corrodens detected by placental swab culture influencing antimicrobial management of an extremely premature infant with sepsis is described. Management of the youngest premature survivor with the lowest birthweight among the reported cases in English language of neonatal E. corrodens infection is summarized and literature is reviewed. The value of placental swab, which is often underused, is highlighted in this review.
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Hunt EB, Murphy B, Murphy C, Crowley T, Cronin O, Hay S, Stack M, Bowen B, Ronan NJ, Greene E, Eustace JA, Plant BJ, Murphy DM. A Study To Assess The Prevalence Of Exercise-Induced Bronchoconstriction In Inter-County Hurling. Ir Med J 2017; 110:655. [PMID: 29465845] [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] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Exercise-Induced Bronchoconstriction (EIB) is an acute, transient airway narrowing occurring after exercise which may impact athletic performance. Studies report 10% of the general population and up to 90% of asthmatics experience EIB. Ninety-two players from three elite hurling squads underwent a spirometric field-based provocation test with real-time heart rate monitoring and lactate measurements to ensure adequate exertion. Players with a new diagnosis of EIB and those with a negative field-test but with a previous label of EIB or asthma underwent further reversibility testing and if negative, methacholine challenge. Eight (8.7%) of players had EIB, with one further athlete having asthma with a negative field test. Interestingly, only three out of 12 players who had previously been physician-labelled with EIB or asthma had their diagnosis objectively confirmed. Our study highlights the role of objective testing in EIB.
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Affiliation(s)
- E B Hunt
- Department of Respiratory Medicine, Cork University Hospital
- Health Research Board Clinical Research Facility, University College Cork, Cork
| | | | | | | | - O Cronin
- Department of Respiratory Medicine, Cork University Hospital
| | - S Hay
- Department of Respiratory Medicine, Cork University Hospital
| | - M Stack
- Department of Respiratory Medicine, Cork University Hospital
| | - B Bowen
- Department of Respiratory Medicine, Cork University Hospital
| | - N J Ronan
- Department of Respiratory Medicine, Cork University Hospital
| | - E Greene
- Department of Respiratory Medicine, Cork University Hospital
| | - J A Eustace
- Health Research Board Clinical Research Facility, University College Cork, Cork
| | - B J Plant
- Department of Respiratory Medicine, Cork University Hospital
- Health Research Board Clinical Research Facility, University College Cork, Cork
| | - D M Murphy
- Department of Respiratory Medicine, Cork University Hospital
- Health Research Board Clinical Research Facility, University College Cork, Cork
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Murphy B, Walker J, Bassale S, Monaco D, Jaboin J, Ciporen J, Taylor M, Kubicky CD. Concurrent Radiosurgery and Immunotherapy is Associated with Improved Intracranial Tumor Control in Patients with Metastatic Melanoma. Int J Radiat Oncol Biol Phys 2017. [DOI: 10.1016/j.ijrobp.2017.06.1857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Murphy B, Michel A, LaDouceur E, Bell C, Lin M, Imai D. Ameloblastoma of the Jaw in Three Species of Rodent: a Domestic Brown Rat ( Rattus norvegicus ), Syrian Hamster ( Mesocricetus auratus ) and Amargosa Vole ( Microtus californicus scirpensis ). J Comp Pathol 2017; 157:145-149. [DOI: 10.1016/j.jcpa.2017.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 06/20/2017] [Accepted: 07/04/2017] [Indexed: 11/28/2022]
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Murphy B, Bugeja L, Pilgrim J, Ibrahim J. SUICIDE AMONG NURSING HOME RESIDENTS IN AUSTRALIA, 2000–2013: A CASE SERIES STUDY. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.2541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- B. Murphy
- Monash University, Clayton, Victoria, Australia
| | - L. Bugeja
- Monash University, Clayton, Victoria, Australia
| | - J. Pilgrim
- Monash University, Clayton, Victoria, Australia
| | - J. Ibrahim
- Monash University, Clayton, Victoria, Australia
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Murphy B, Ibrahim J, Bugeja L, Pilgrim J. DEATHS FROM RESIDENT-TO-RESIDENT AGGRESSION AMONG NURSING HOME RESIDENTS IN AUSTRALIA, 2000–2013. Innov Aging 2017. [DOI: 10.1093/geroni/igx004.5081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- B. Murphy
- Department of Forensic Medicine, Monash University, Southbank, Victoria, Australia,
- Victorian Institute of Forensic Medicine, Southbank, Victoria, Australia
| | - J. Ibrahim
- Department of Forensic Medicine, Monash University, Southbank, Victoria, Australia,
- Victorian Institute of Forensic Medicine, Southbank, Victoria, Australia
| | - L. Bugeja
- Department of Forensic Medicine, Monash University, Southbank, Victoria, Australia,
- Victorian Institute of Forensic Medicine, Southbank, Victoria, Australia
| | - J. Pilgrim
- Department of Forensic Medicine, Monash University, Southbank, Victoria, Australia,
- Victorian Institute of Forensic Medicine, Southbank, Victoria, Australia
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