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Khan K, McLellan M, Mahmud S. P-BN27 Novel technique for safe and efficient cannulation of the cystic and common bile duct. Br J Surg 2021. [DOI: 10.1093/bjs/znab430.027] [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
Background
Concomitant stones in the common bile duct (CBD) at the time of laparoscopic cholecystectomy (LC) are present in up to 15% of patients. In conjunction with intra-operative cholangiogram (IOC), transcystic common bile duct exploration (TCBDE) enables diagnosis and management of ductal stones in a single stage procedure. However, cannulation of the cystic duct (CD) and CBD can be challenging. With repeated attempts at cannulation, there is increased risk of iatrogenic injury by creating a false passage or perforating the duct. We propose a novel technique for the safe cannulation of the CD and CBD.
Methods
Once critical view of safety is achieved, a clip is placed distally in the CD and opened with scissors. A flexible tip 80cm guidewire is then preloaded into 5-French ureteric catheter. The complex is then passed into the introducer through the lateral port. A grasper placed at Hartmann’s pouch is used to retract the gallbladder and straighting the CD. Only the guidewire is advanced out of the catheter, traversing the CD and CBD. Once safely advanced, the catheter can then be slid over the guidewire and the guidewire can be removed. IOC and TCBDE can then be performed if indicated.
Results
This technique was performed on 18 patients who failed CD cannulation during elective and emergency LC for symptomatic gallstone disease in a single center performed by the same surgical team. Median age was 46 years and there was 15 females. A total of 34 cannulations were attempted (in 18 patients) which 100% success rate. There was no added time required for the technique. In majority of cases it decreased the operative time due to quick intubation of CBD. None of the cases required conversion to open surgery.
Conclusions
The novel technique described for cannulation of the cystic duct uses a Seldinger ‘like’ approach. This is a safe an effective strategy for cannulation of the CD, making the skills more accessible and more time efficient. This should encourage more surgeons to perform IOC and TCBDE where indicated.
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Affiliation(s)
- Khurram Khan
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - Morag McLellan
- Wirral University Teaching Hospital, Wirral, United Kingdom
| | - Sajid Mahmud
- University Hospital Hairmyres, East Kilbride, United Kingdom
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McLellan M, James K, Burrah R, Poonawala S, Callaghan C, Vinayagam R. TP8.1.6 Why do people remain in hospital after mastectomy? Br J Surg 2021. [DOI: 10.1093/bjs/znab362.068] [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
Aims
Mastectomy is established as a safe day-case procedure. Amidst the ongoing COVID-19 pandemic it is essential to find ways to continue elective surgery with greater efficiency. The aim of this study is to establish factors associated with overnight admission after simple mastectomy, enabling more effective pre-operative planning.
Methods
All patients undergoing simple mastectomy in our unit between January and October 2020 were included. Those undergoing immediate reconstruction were excluded. The electronic case notes were reviewed to include procedure performed and patient characteristics. Basic statistical analysis was performed.
Results
95 patients underwent simple mastectomy (28 with axillary clearance and 58 with sentinel node biopsy). 56% of procedures were day-case. Axillary clearance was more common in the inpatient compared to the day-case surgery group (24% vs 45%). Both average age and ASA were significantly lower in the day-case compared to the inpatient group (p < 0.05). There was no significant difference in BMI or specimen weight between groups. 16 patients underwent simple mastectomy without drain insertion, none required admission. Of the patients admitted overnight following surgery, 50% were pre-planned admissions. 57% of these were for patients identified as high surgical or anaesthetic risk at pre-operative assessment. Overall 5 patients stayed in hospital due to patient preference.
Conclusions
In addition to axillary surgery performed, age, ASA and perceived pre-operative risk are associated with overnight admission following simple mastectomy. Knowledge of these factors can better inform pre-operative planning. Providing enhanced post-operative support at home may enable more patients to be discharged on day of surgery.
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Khan K, Torpiano G, Galbraith N, McLellan M, Lannigan A. TP8.2.15 Higher General Surgical Trainee preferences for Annual Review of Competency Progression during COVID-19 Pandemic. Br J Surg 2021. [PMCID: PMC8574438 DOI: 10.1093/bjs/znab362.086] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Aims The COVID-19 pandemic has caused significant disruption in surgical training. We aim to explore the preferences of higher general surgical trainees for Annual Review of Competency Progression (ARCP) also compare the responses across different training grades. Methods All higher general surgical trainee in a single deanery were invited to participate in an online voluntary anonymous survey. The respondents were divided in two groups: junior (ST3-ST5) and senior higher surgical trainees (ST6-ST8) and responses compared. Results Sixty-four of 88 trainees responded. Thirty-three (51.6%) were ST3–ST5, 24 (37.5%) were ST6–ST8 and 7 (10.9%) were out-of-training. More trainees in ST3–ST5 group preferred to defer the next rotation for 12 months (18.2% vs 0%, p = 0.034), repeat current sub-specialty (33.3% vs 4.2%, p = 0.009), or add 12 months to training and delay predicted CCT date by 12 months (18.2% vs 0%, p = 0.034). Most trainees in both groups preferred the option of prolonging training should be offered to all trainees with an option to decline extension if ARCP competencies met (66.7% vs 50.0%, p = 0.276). Conclusions The preference for ARCP and length of training was different between two training groups, hence the need of trainees should be considered by training committees when addressing the impact of COVID-19.
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McLellan M, Stewart B. SP7.2.3 Documentation of risk discussions prior to elective inguinal hernia surgery, is it standardised for all? Br J Surg 2021. [DOI: 10.1093/bjs/znab361.152] [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: 11/12/2022]
Abstract
Abstract
Aims
Obtaining consent is fundamental to surgical practice. Rising levels of litigation have led to increased scrutiny of the process. The Royal College of Surgeons (RCS) recommends a structured consent process enabling patients to make better informed decisions, increasing the legal robustness of the process. Our aim is to audit the documentation of risk discussions prior to elective inguinal hernia repair (EIHR).
Methods
Data was collected retrospectively for all patients who had undergone EIHR in a single surgical unit between January 2019 and 2020. Outpatient clinic letters and consent forms were reviewed. The grade of surgeon and documentation of consent discussions were recorded. The results were then analysed using basic statistical analysis.
Results
146 patients (137 male and 9 female) were included in the audit, with an average age of 63 years (range 20-89 years). 77% of clinic letters recorded a consent discussion. Of these, chronic pain was the risk most commonly documented (62%), followed by recurrence (56%). 19.8% of clinic letters included the level of risk quoted. 86% of consent forms were legible. Documentation of risk was significantly more detailed on consent forms compared to clinic letters (p < 0.05). On these, infection was the most commonly documented (97%), followed by bleeding (91%). Overall, there was no significant difference in documentation relative to surgical grade.
Conclusions
This study has demonstrated considerable variability in consent process prior to EIHR. This can have both legal implications and impact upon patient experience. Adopting a strategy to ensure a consistent approach is essential.
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Khan K, Torpiano G, Galbraith N, McLellan M, Lannigan A. 982 Higher General Surgical Trainee preferences for Annual Review of Competency Progression during COVID-19 Pandemic. Br J Surg 2021. [DOI: 10.1093/bjs/znab259.884] [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: 11/12/2022]
Abstract
Abstract
Aim
The COVID-19 pandemic has caused significant disruption in surgical training. We aim to explore the preferences of higher general surgical trainees for Annual Review of Competency Progression (ARCP) also compare the responses across different training grades.
Method
All higher general surgical trainee in a single deanery were invited to participate in an online voluntary anonymous survey. The respondents were divided in two groups: junior (ST3-ST5) and senior higher surgical trainees (ST6-ST8) and responses compared.
Results
Sixty-four of 88 trainees responded. Thirty-three (51.6%) were ST3–ST5, 24 (37.5%) were ST6–ST8 and 7 (10.9%) were out-of-training. More trainees in ST3–ST5 group preferred to defer the next rotation for 12 months (18.2% vs 0%, p = 0.034), repeat current sub-specialty (33.3% vs 4.2%, p = 0.009), or add 12 months to training and delay predicted CCT date by 12 months (18.2% vs 0%, p = 0.034). Most trainees in both groups preferred the option of prolonging training should be offered to all trainees with an option to decline extension if ARCP competencies met (66.7% vs 50.0%, p = 0.276).
Conclusions
The preference for ARCP and length of training was different between two training groups, hence the need of trainees should be considered by training committees when addressing the impact of COVID-19.
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Affiliation(s)
- K Khan
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - G Torpiano
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - N Galbraith
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - M McLellan
- University Hospital Hairmyres, East Kilbride, United Kingdom
| | - A Lannigan
- University Hospital Wishaw, Wishaw, United Kingdom
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Govindraj R, McPherson I, Hawkins R, McLellan M, Hannah A, Asif M, Kirk AJ. Is there an ideal position and size of chest drain following anatomical lung resection? Surgeon 2021; 20:321-327. [PMID: 34600827 DOI: 10.1016/j.surge.2021.08.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 07/24/2021] [Accepted: 08/09/2021] [Indexed: 12/01/2022]
Abstract
BACKGROUND Chest drains are placed after surgery to enable lung re-expansion. However, there remains little guidance on optimal placement. This study aims to identify the ideal size and position for chest drain insertion with regards to post-operative outcomes. METHODS 383 patients undergoing lobectomy in 1-year had their chest drain size and x-ray position noted (1 (apical), 2 (mid-zone) or 3 (basal)). Primary outcome was residual air space on immediate post-operative x-ray. Secondary outcomes were length of drain in situ (<72 versus ≥72 h), persisting pleural effusion, surgical emphysema, post-operative pneumonia (POP), and length of hospital stay (<5 versus ≥5 days). Fisher's exact analysis for the primary outcome and binary logistic regression analysis for all outcomes were used. Results presented as odds ratios (OR±95%CI). RESULTS Univariate analysis for residual air space showed increased risk in area 2 (OR = 1.61, p = 0.041) and 3 (OR = 2.59, p = 0.0043) compared with area 1. Multivariate analysis for residual air space showed increased risk in area 2 (OR = 2.39, p < 0.001) and 3 (OR = 2.86, p < 0.001) compared with area 1. Drain size had no impact on residual air space in univariate or multivariate analysis. Multivariate analysis showed area 2 drains remained in situ for >72 h (OR = 1.49, p = 0.017), had persisting effusions (OR = 2.03, p = 0.004) and POP (OR = 2.10, p = 0.023) compared with area 1. This risk is magnified further for drains in area 3. Drains ≥28F had reduced risk of surgical emphysema (OR = 0.23, p = 0.027) in multivariate analysis. CONCLUSION A ≥28F, apical chest drain reduces the risk of post-operative complications, allowing early removal and discharge.
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Affiliation(s)
- Rohith Govindraj
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
| | - Iain McPherson
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK.
| | - Rosalyn Hawkins
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
| | - Morag McLellan
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
| | - Alexander Hannah
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
| | - Mohammed Asif
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
| | - Alan Jb Kirk
- Department of Thoracic Surgery, Golden Jubilee National Hospital, Clydebank, UK
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Khan KS, McLellan M, Galbraith NJ, Lannigan A, Mahmud S, Stewart B. 930 Impact of the COVID-19 Pandemic on Higher General Surgical Training – A West of Scotland Experience. Br J Surg 2021. [PMCID: PMC8135832 DOI: 10.1093/bjs/znab134.177] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Abstract
Introduction
COVID-19 pandemic has caused significant disruption in all aspects of training. Our aim was to explore the degree of impact caused by the pandemic on higher general surgical trainees.
Method
All higher general surgical trainees in a single UK deanery were invited to participate in an online, voluntary, anonymous survey via SurveyMonkey.
Results
64 (72.7%) of the trainees responded. 39.1% were ST3/4, 29.7% were ST5/6, 20.3% were ST7/8 and 10.9% were out of training (maternity & research). Thirty-five (55.6%) worked in district general hospitals. Forty (68.9%) trainees felt that they had fewer opportunities to be primary surgeon. Forty-two (67.7%) trainees did not have access to laparoscopic simulation trainers. Fifty-two (88.1%) trainees had their courses and 2 (3.4%) had their FRCS part 2 exam postponed. 16 (27.1%) trainees reported they had been off-sick, with a median of 7 days off (range 3-35 days). Thirty-three (55.9%) trainees felt more stressed due to the pandemic and 35 (59.4%) had symptoms of burnout.
Conclusions
The COVID-19 pandemic has had an unprecedented impact on all aspects of higher surgical training. The most noticeable impact has been on the reduction in the confidence in laparoscopic and endoscopic skills.
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Affiliation(s)
- K S Khan
- Glasgow Royal Infirmary, Glasgow, United Kingdom
| | - M McLellan
- University Hospital Hairmyres, East Kilbride, United Kingdom
| | | | - A Lannigan
- University Hospital Wishaw, Wishaw, United Kingdom
| | - S Mahmud
- University Hospital Hairmyres, East Kilbride, United Kingdom
| | - B Stewart
- University Hospital Hairmyres, East Kilbride, United Kingdom
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McLellan M, James K, Burrah R, Poonawala S, Callaghan M, Lund J, Vinayagam R. P070. Influence of the COVID 19 pandemic on our day-case mastectomy pathway. Eur J Surg Oncol 2021. [PMCID: PMC8096307 DOI: 10.1016/j.ejso.2021.03.074] [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: 11/20/2022] Open
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Cooper G, Knight K, Bain P, McLellan M, Torpiano G, Stewart B. P47 Evaluating the Relationship of Pre-Assessment Host Systemic Inflammatory Response Biomarkers (Neutrophil Lymphocyte Ratio) to Post-Operative Infective Complication Risk in Colorectal Cancer Resection. BJS Open 2021. [PMCID: PMC8030200 DOI: 10.1093/bjsopen/zrab032.046] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Introduction The host systemic inflammatory response (SIR) is prognostic in a wide variety of solid tumours, with a greater degree of inflammation being associated with a worse clinical outcome. Neutrophil Lymphocyte Ratio (NLR) is an established way to measure SIR in vivo. We aimed to establish whether preoperative NLR correlates with infective complications in patients undergoing colorectal cancer (CRC) resection. Methods Data was extracted retrospectively for all CRC resections over a 2 year period (2016-2018) at a single district general hospital. NLR was measured for each patient from bloods at the time of pre-operative assessment. Post-operative complications were recorded using the Clavien-Dindo classification and subsequently classified as infective and non-infective. A Two-tailed Mann-Whitney U test was used to evaluate the data from an online resource. Results Of the 131 patients, 49 had complications of which 20 were infective. Of total complications 58% were male and 35% were aged 75 years or older. Current or ex-smokers constituted 43% and 41 of the total patients had a BMI >30 kg/m2. Pre-assessment mean NLR was 2.3 in those without complications and 4.7 in those with any complication. A mean NLR of 5.4 was present in those with infective complications, p-value 0.026. Conclusion This study found that a raised NLR was present preoperatively in those who developed infective complications following CRC resection. This is a simple, readily available and cost-effective method of identifying patients at risk of complication. This ultimately may be useful in highlighting patients who would benefit from enhanced pre-operative optimisation. Further research to validate these findings in larger studies would seem warranted.
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Abstract
BACKGROUND AND AIMS COVID-19 pandemic has caused significant disruption in training which is even more pronounced in the surgical specialties. We aim to assess the impact of COVID-19 pandemic on core surgical training. METHODS All core surgical and improving surgical trainees in West of Scotland region were invited to participate in an online voluntary anonymous survey via SurveyMonkey. RESULTS 28 of 44 (63.6%) trainees responded, 15 (53.6%) were CT1/ST1. 14 (50.0%) working in teaching hospital and 15 (53.6%) working in general surgery. 20 (71.4%) felt that due to the pandemic they have less opportunity to operate as the primary surgeon. 21 (75.0%) have not attended any outpatient clinics. 8 (28.6%) did not have any form of access to the laparoscopic box-trainer. 20 (71.4%) felt their level of confidence in preforming surgical skills has been negatively impacted. 18 (64.3%) found it difficult to demonstrate progress in portfolio. 21 (75.0%) trainees have not attended any teaching. 10 (35.7%) trainees have been off-sick. 8 (28.6%) trainees have felt slightly or significantly more stressed. CONCLUSION COVID-19 pandemic has an unprecedented negative impact on all aspects of core surgical training. The long term impact on the current cohort of trainees is yet to be seen.
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Affiliation(s)
- Khurram Shahzad Khan
- ST6 in General Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Rona Keay
- Clinical Development Fellow in Emergency Medicine, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Morag McLellan
- ST6 in General Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Sajid Mahmud
- ST6 in General Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
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Khan KS, Torpiano G, McLellan M, Mahmud S. The impact of socioeconomic status on 30-day mortality in hospitalized patients with COVID-19 infection. J Med Virol 2020; 93:995-1001. [PMID: 32729937 DOI: 10.1002/jmv.26371] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [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: 06/17/2020] [Revised: 07/22/2020] [Accepted: 07/23/2020] [Indexed: 12/20/2022]
Abstract
Socioeconomic status (SES) impacts outcome in a number of diseases. Our aim was to compare the outcome of hospitalized coronavirus disease 219 (COVID-19) patients in low and high SES group. Prospective cohort study of hospitalized patients with confirmed COVID-19 in three acute hospitals. Electronic case notes were analyzed for baseline characteristics and admission investigations. Scottish index for multiple deprivation (SIMD) was used to divide patients into two groups: more deprived (SIMD 1-5) and less deprived (SIMD 6-10) and results compared. Poor outcome was defined as either need for intubation and/or death. One hundred and seventy-three patients were identified, one was excluded. One hundred and eight (62.8%) were males, mean age was 68.5 ± 14.7 years. Commonest comorbidity was hypertension 87 (50.6%). One hundred and seventeen (68.0%) patients were in more deprived group. Baseline characteristics, admission blood profile and reason for admission were evenly matched in both groups. Outcomes were comparable in both groups: transfer to critical care (27.4% vs 27.3%; P = .991), intubation (18.8% vs 20.2%; P = .853), 30-day all-cause mortality (19.7% vs 14.5%; P = .416) and overall poor outcome (30.8% vs 30.9%; P = .985). Median time to discharge was 7 days longer (17 vs 10 days; P = .018) and median time to death was 4.5 days longer in more deprived group (17 vs 12.5 days; P = .388). Contrary to recent literature on COVID-19 in other geographical areas, our study suggests that the SES does not have any impact on outcome of hospitalized patients with COVID-19, however it negatively impacts length of stay.
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Affiliation(s)
- Khurram Shahzad Khan
- Department of Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Giuliana Torpiano
- Department of Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Morag McLellan
- Department of Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
| | - Sajid Mahmud
- Department of Surgery, University Hospital Hairmyres, East Kilbride, Scotland, UK
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Tang WW, McGee P, Lachin JM, Li DY, Hoogwerf B, Hazen SL, Nathan D, Zinman B, Crofford O, Genuth S, Brown‐Friday J, Crandall J, Engel H, Engel S, Martinez H, Phillips M, Reid M, Shamoon H, Sheindlin J, Gubitosi‐Klug R, Mayer L, Pendegast S, Zegarra H, Miller D, Singerman L, Smith‐Brewer S, Novak M, Quin J, Genuth S, Palmert M, Brown E, McConnell J, Pugsley P, Crawford P, Dahms W, Gregory N, Lackaye M, Kiss S, Chan R, Orlin A, Rubin M, Brillon D, Reppucci V, Lee T, Heinemann M, Chang S, Levy B, Jovanovic L, Richardson M, Bosco B, Dwoskin A, Hanna R, Barron S, Campbell R, Bhan A, Kruger D, Jones J, Edwards P, Bhan A, Carey J, Angus E, Thomas A, Galprin A, McLellan M, Whitehouse F, Bergenstal R, Johnson M, Gunyou K, Thomas L, Laechelt J, Hollander P, Spencer M, Kendall D, Cuddihy R, Callahan P, List S, Gott J, Rude N, Olson B, Franz M, Castle G, Birk R, Nelson J, Freking D, Gill L, Mestrezat W, Etzwiler D, Morgan K, Aiello L, Golden E, Arrigg P, Asuquo V, Beaser R, Bestourous L, Cavallerano J, Cavicchi R, Ganda O, Hamdy O, Kirby R, Murtha T, Schlossman D, Shah S, Sharuk G, Silva P, Silver P, Stockman M, Sun J, Weimann E, Wolpert H, Aiello L, Jacobson A, Rand L, Rosenzwieg J, Nathan D, Larkin M, Christofi M, Folino K, Godine J, Lou P, Stevens C, Anderson E, Bode H, Brink S, Cornish C, Cros D, Delahanty L, eManbey ., Haggan C, Lynch J, McKitrick C, Norman D, Moore D, Ong M, Taylor C, Zimbler D, Crowell S, Fritz S, Hansen K, Gauthier‐Kelly C, Service F, Ziegler G, Barkmeier A, Schmidt L, French B, Woodwick R, Rizza R, Schwenk W, Haymond M, Pach J, Mortenson J, Zimmerman B, Lucas A, Colligan R, Luttrell L, Lopes‐Virella M, Caulder S, Pittman C, Patel N, Lee K, Nutaitis M, Fernandes J, Hermayer K, Kwon S, Blevins A, Parker J, Colwell J, Lee D, Soule J, Lindsey P, Bracey M, Farr A, Elsing S, Thompson T, Selby J, Lyons T, Yacoub‐Wasef S, Szpiech M, Wood D, Mayfield R, Molitch M, Adelman D, Colson S, Jampol L, Lyon A, Gill M, Strugula Z, Kaminski L, Mirza R, Simjanoski E, Ryan D, Johnson C, Wallia A, Ajroud‐Driss S, Astelford P, Leloudes N, Degillio A, Schaefer B, Mudaliar S, Lorenzi G, Goldbaum M, Jones K, Prince M, Swenson M, Grant I, Reed R, Lyon R, Kolterman O, Giotta M, Clark T, Friedenberg G, Sivitz W, Vittetoe B, Kramer J, Bayless M, Zeitler R, Schrott H, Olson N, Snetselaar L, Hoffman R, MacIndoe J, Weingeist T, Fountain C, Miller R, Johnsonbaugh S, Patronas M, Carney M, Mendley S, Salemi P, Liss R, Hebdon M, Counts D, Donner T, Gordon J, Hemady R, Kowarski A, Ostrowski D, Steidl S, Jones B, Herman W, Martin C, Pop‐Busui R, Greene D, Stevens M, Burkhart N, Sandford T, Floyd J, Bantle J, Flaherty N, Terry J, Koozekanani D, Montezuma S, Wimmergren N, Rogness B, Mech M, Strand T, Olson J, McKenzie L, Kwong C, Goetz F, Warhol R, Hainsworth D, Goldstein D, Hitt S, Giangiacomo J, Schade D, Canady J, Burge M, Das A, Avery R, Ketai L, Chapin J, Schluter M, Rich J, Johannes C, Hornbeck D, Schutta M, Bourne P, Brucker A, Braunstein S, Schwartz S, Maschak‐Carey B, Baker L, Orchard T, Cimino L, Songer T, Doft B, Olson S, Becker D, Rubinstein D, Bergren R, Fruit J, Hyre R, Palmer C, Silvers N, Lobes L, Rath PP, Conrad P, Yalamanchi S, Wesche J, Bratkowksi M, Arslanian S, Rinkoff J, Warnicki J, Curtin D, Steinberg D, Vagstad G, Harris R, Steranchak L, Arch J, Kelly K, Ostrosaka P, Guiliani M, Good M, Williams T, Olsen K, Campbell A, Shipe C, Conwit R, Finegold D, Zaucha M, Drash A, Morrison A, Malone J, Bernal M, Pavan P, Grove N, Tanaka E, McMillan D, Vaccaro‐Kish J, Babbione L, Solc H, DeClue T, Dagogo‐Jack S, Wigley C, Ricks H, Kitabchi A, Chaum E, Murphy M, Moser S, Meyer D, Iannacone A, Yoser S, Bryer‐Ash M, Schussler S, Lambeth H, Raskin P, Strowig S, Basco M, Cercone S, Zinman B, Barnie A, Devenyi R, Mandelcorn M, Brent M, Rogers S, Gordon A, Bakshi N, Perkins B, Tuason L, Perdikaris F, Ehrlich R, Daneman D, Perlman K, Ferguson S, Palmer J, Fahlstrom R, de Boer I, Kinyoun J, Van Ottingham L, Catton S, Ginsberg J, McDonald C, Harth J, Driscoll M, Sheidow T, Mahon J, Canny C, Nicolle D, Colby P, Dupre J, Hramiak I, Rodger N, Jenner M, Smith T, Brown W, May M, Lipps Hagan J, Agarwal A, Adkins T, Lorenz R, Feman S, Survant L, White N, Levandoski L, Grand G, Thomas M, Joseph D, Blinder K, Shah G, Burgess D, Boniuk I, Santiago J, Tamborlane W, Gatcomb P, Stoessel K, Ramos P, Fong K, Ossorio P, Ahern J, Gubitosi‐Klug R, Meadema‐Mayer L, Beck C, Farrell K, Genuth S, Quin J, Gaston P, Palmert M, Trail R, Dahms W, Lachin J, Backlund J, Bebu I, Braffett B, Diminick L, Gao X, Hsu W, Klumpp K, Pan H, Trapani V, Cleary P, McGee P, Sun W, Villavicencio S, Anderson K, Dews L, Younes N, Rutledge B, Chan K, Rosenberg D, Petty B, Determan A, Kenny D, Williams C, Cowie C, Siebert C, Steffes M, Arends V, Bucksa J, Nowicki M, Chavers B, O'Leary D, Polak J, Harrington A, Funk L, Crow R, Gloeb B, Thomas S, O'Donnell C, Soliman E, Zhang Z, Li Y, Campbell C, Keasler L, Hensley S, Hu J, Barr M, Taylor T, Prineas R, Feldman E, Albers J, Low P, Sommer C, Nickander K, Speigelberg T, Pfiefer M, Schumer M, Moran M, Farquhar J, Ryan C, Sandstrom D, Williams T, Geckle M, Cupelli E, Thoma F, Burzuk B, Woodfill T, Danis R, Blodi B, Lawrence D, Wabers H, Gangaputra S, Neill S, Burger M, Dingledine J, Gama V, Sussman R, Davis M, Hubbard L, Budoff M, Darabian S, Rezaeian P, Wong N, Fox M, Oudiz R, Kim L, Detrano R, Cruickshanks K, Dalton D, Bainbridge K, Lima J, Bluemke D, Turkbey E, der Geest ., Liu C, Malayeri A, Jain A, Miao C, Chahal H, Jarboe R, Nathan D, Monnier V, Sell D, Strauch C, Hazen S, Pratt A, Tang W, Brunzell J, Purnell J, Natarajan R, Miao F, Zhang L, Chen Z, Paterson A, Boright A, Bull S, Sun L, Scherer S, Lopes‐Virella M, Lyons T, Jenkins A, Klein R, Virella G, Jaffa A, Carter R, Stoner J, Garvey W, Lackland D, Brabham M, McGee D, Zheng D, Mayfield R, Maynard J, Wessells H, Sarma A, Jacobson A, Dunn R, Holt S, Hotaling J, Kim C, Clemens Q, Brown J, McVary K. Oxidative Stress and Cardiovascular Risk in Type 1 Diabetes Mellitus: Insights From the DCCT/EDIC Study. J Am Heart Assoc 2018. [PMCID: PMC6015340 DOI: 10.1161/jaha.117.008368] [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] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Background
Hyperglycemia leading to increased oxidative stress is implicated in the increased risk for the development of macrovascular and microvascular complications in patients with type 1 diabetes mellitus.
Methods and Results
A random subcohort of 349 participants was selected from the
DCCT
/
EDIC
(Diabetes Control and Complications Trial/Epidemiology of Diabetes Interventions and Complications) cohort. This included 320 controls and 29 cardiovascular disease cases that were augmented with 98 additional known cases to yield a case cohort of 447 participants (320 controls, 127 cases). Biosamples from
DCCT
baseline, year 1, and closeout of
DCCT
, and 1 to 2 years post‐
DCCT
(
EDIC
years 1 and 2) were measured for markers of oxidative stress, including plasma myeloperoxidase, paraoxonase activity, urinary F
2α
isoprostanes, and its metabolite, 2,3 dinor‐8
iso
prostaglandin F
2α
. Following adjustment for glycated hemoblobin and weighting the observations inversely proportional to the sampling selection probabilities, higher paraoxonase activity, reflective of antioxidant activity, and 2,3 dinor‐8
iso
prostaglandin F
2α
, an oxidative marker, were significantly associated with lower risk of cardiovascular disease (−4.5% risk for 10% higher paraoxonase,
P
<0.003; −5.3% risk for 10% higher 2,3 dinor‐8
iso
prostaglandin F
2α
,
P
=0.0092). In contrast, the oxidative markers myeloperoxidase and F
2α
isoprostanes were not significantly associated with cardiovascular disease after adjustment for glycated hemoblobin. There were no significant differences between
DCCT
intensive and conventional treatment groups in the change in all biomarkers across time segments.
Conclusions
Heightened antioxidant activity (rather than diminished oxidative stress markers) is associated with lower cardiovascular disease risk in type 1 diabetes mellitus, but these biomarkers did not change over time with intensification of glycemic control.
Clinical Trial Registration
URL
:
https://www.clinicaltrials.gov
. Unique identifiers:
NCT
00360815 and
NCT
00360893.
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Affiliation(s)
- W.H. Wilson Tang
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
| | - Paula McGee
- The Biostatistics Center, George Washington University, Rockville, MD
| | - John M. Lachin
- The Biostatistics Center, George Washington University, Rockville, MD
| | - Daniel Y. Li
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
| | | | - Stanley L. Hazen
- Department of Cellular and Molecular Medicine, Lerner Research Institute, Cleveland Clinic, Cleveland, OH
- Department of Cardiovascular Medicine, Heart and Vascular Institute, Cleveland Clinic, Cleveland, OH
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McLellan M, Freshwater DA. The management of acute seizures in Naval Service personnel. J R Nav Med Serv 2015; 101:167-176. [PMID: 26867419] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Seizures are a relatively common Emergency Department (ED) presentation among young adult populations, considered for the purpose of this report as being aged 15-59. Due to the varied aetiologies involved, understanding of the potential causes and their presentation is key to managing these patients. Although seizure incidence within the United Kingdom (UK) Armed Forces population is generally low, it is not negligible. Therefore, awareness of the initial management is required by all those involved in patient care from the Medical Assistant (MA) at the Role 1 facility, through to the senior doctors at Role 3 establishments. All management should be in line with the Clinical Guidelines for Operations (CGOs) and Advanced Life Support (ALS) principles, with resuscitation, seizure control and patient stabilisation taking precedence initially. Ultimately, the use of laboratory testing and imaging at a Role 3 setting will be required to accurately confirm a diagnosis. Information obtained during these assessments may serve to assist the Naval Service Medical Board of Survey (NSMBOS) in determining suitability for continued Service retention and employment.
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Caretti V, Noll A, Woo P, Monje M, Cockle J, Bruning-Richardson A, Picton S, Levesley J, Ilett E, Short S, Melcher A, Lawler S, Garzia L, Dubuc A, Pitcher G, Northcott P, Mariampillai A, Mack S, Zayne K, Chan T, Skowron P, Wu X, Lionel A, Morrisy S, Hawkins C, Kongkham P, Rutka J, Huang A, Kenney A, Yang V, Salter M, Taylor M, Garzia L, Morrisy S, Skowron P, Jelveh S, Lindsay P, Largaespada D, Collier L, Dupuy A, Hill R, Taylor M, Hsieh TH, Wang HW, Cheng WC, Wong TT, Huang X, He Y, Dubuc A, Hashizume R, Zhang W, Stehbens S, Younger S, Barshow S, Zhu S, Wu X, Taylor M, Mueller S, Weiss W, James D, Shuman M, Jan YN, Jan L, Marigil M, Jauregi P, Idoate MA, Xipell E, Aldave G, Gonzalez-Huarriz M, Tejada-Solis S, Diez-Valle R, Montero-Carcaboso A, Mora J, Alonso MM, Taylor K, Mackay A, Truffaux N, Morozova O, Butterfield Y, Phillipe C, Vinci M, de Torres C, Cruz O, Mora J, Hargrave D, Monje M, Puget S, Yip S, Jones C, Grill J, Kaul A, Chen YH, Dahiya S, Emnett R, Gianino S, Gutmann D, Miwa T, Oi S, Nonaka Y, Sasaki H, Yoshida K, Lopez E, de Leon AP, Sepulveda C, Zarate L, Diego-Perez J, Pong W, Ding L, McLellan M, Hussain I, Emnett R, Gianino S, Higer S, Leonard J, Guha A, Mardis E, Gutmann D, Sarkar C, Pathak P, Jha P, Purkait S, Sharma V, Sharma MC, Suri V, Faruq M, Mukherjee M, Sivasankaran B, Velayutham RP, Fraschilla IR, Morris KJ, MacDonald TJ, Read TA, Sturm D, Northcott P, Jones D, Korshunov A, Picard D, Lichter P, Huang A, Pfister S, Kool M, Yao TW, Zhang J, Anna B, Brummer T, Gupta N, Nicolaides T, Chan KM, Fang D, Gan H, Hashizume R, Yu C, Schroeder M, Gupta N, Mueller S, James D, Jenkins R, Sarkaria J, Zhang Z. PEDIATRICS LABORATORY RESEARCH. Neuro Oncol 2013. [DOI: 10.1093/neuonc/not186] [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: 11/14/2022] Open
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15
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Wilson RK, Ley TJ, Cole FS, Milbrandt JD, Clifton S, Fulton L, Fewell G, Minx P, Sun H, McLellan M, Pohl C, Mardis ER. Mutational profiling in the human genome. Cold Spring Harb Symp Quant Biol 2004; 68:23-9. [PMID: 15338599 DOI: 10.1101/sqb.2003.68.23] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- R K Wilson
- Washington University School of Medicine, St. Louis, Missouri 63108, USA
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16
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Kishida M, McLellan M, Miranda JA, Callard GV. Estrogen and xenoestrogens upregulate the brain aromatase isoform (P450aromB) and perturb markers of early development in zebrafish (Danio rerio). Comp Biochem Physiol B Biochem Mol Biol 2001; 129:261-8. [PMID: 11399458 DOI: 10.1016/s1096-4959(01)00319-0] [Citation(s) in RCA: 159] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
Estrogen synthesized in the brain itself by the action of cytochrome P450 aromatase (P450arom) is known to have permanent organizing effects on the developing CNS. In fish, estrogen upregulates the predominant brain isoform (P450aromB), implying that xenoestrogens (XE) could act as neurodevelopmental toxicants by altering P450aromB. To test this hypothesis, zebrafish embryos were exposed to 17beta-estradiol (E(2)), diethylstilbestrol (DES, a potent agonist), and bisphenol A (BPA, a weak agonist). RT-PCR/Southern transfer analysis showed that E(2) (0.01-10 microM) upregulated P450aromB in a dose-response manner. The effect of DES (0.01 microM) was similar to 1 microM E(2) (three- to four-fold higher than control), but BPA was less effective (<threefold increase at 10 microM). mRNA levels of the predominant ovarian isoform (P450aromA) were unchanged by estrogen. Treatment with E(2) (0.1-10 microM) between 2 and 72 hpf had dose-response effects on mortality and hatching and induced a 'curved tail down' phenotype characteristic of mutants with defects of early CNS development. The critical period of estrogen sensitivity for effects on mortality and curved tails was 2-24 hpf, whereas hatching effects were both stage- and duration-dependent. Developmental effects of DES and BPA were similar to E(2) but testosterone, and 5alpha-dihydrotestosterone were ineffective. 17alpha-Estradiol showed a small but significant effect on curved tails. We conclude that P450aromB mRNA is a sensitive marker of XE effect during embryogenesis, but further studies are required to determine whether changes in neural aromatase expression and estrogen biosynthesis have consequences for CNS development.
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Affiliation(s)
- M Kishida
- Department of Biology, Boston University, 5 Cummington Street, 02215, Boston, MA, USA.
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17
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Primosch R, McLellan M, Jerrell G, Venezie R. Effect of scavenging on the psychomotor and cognitive function of subjects sedated with nitrous oxide and oxygen inhalation. Pediatr Dent 1997; 19:480-3. [PMID: 9442542] [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] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Maximizing scavenger effectiveness using a 45 L/min evacuation rate as recommended by the National Institute of Occupational Safety and Health (NIOSH) may alter the sedation level of the dental patient. The purpose of this pilot study was to determine if scavenging at the recommended NIOSH evacuation rate reduced psychomotor and cognitive impairment as a result of inhaling nitrous oxide. Computer-administered neurobehavioral tests of human psychomotor and cognitive function previously established in controlled trials to be sensitive to nitrous oxide inhalation were employed in this blind, randomized, crossover study of 30 healthy adult subjects. The results indicated that scavenging produced statistically significant improvement in finger-tapping speed, symbol/digit coding speed, and recall accuracy. Hand/eye coordination was not improved significantly by scavenging. Enhancement of psychomotor skills and cognitive functioning was interpreted as an undesirable side effect of scavenging that could potentially influence dental patient anxiety management when using nitrous oxide inhalation. The results of this pilot study suggested that scavenger operation under the conditions tested could reduce the level of psychosedation achieved with nitrous oxide inhalation.
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Affiliation(s)
- R Primosch
- Department of Pediatric Dentistry, College of Dentistry, University of Florida, Gainesville, USA
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18
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McLellan M. Restoration of cervical lesions: an update. Hawaii Dent J 1993; 24:10, 14. [PMID: 11816195] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
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19
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Abstract
Techniques for cell-line preservation which enable reliable and reproducible recovery of material with unchanged, defined characteristics are essential in many biotechnology industries. Cryopreservation is one such technique, and in this review we explore some of its problems, successes and potential future applications.
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Affiliation(s)
- B Grout
- Cell Systems Ltd., Cambridge, UK
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20
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McLellan M. Patient positioning ... (a ready-reference guide). Can Oper Room Nurs J 1989; 7:4-12. [PMID: 2598140] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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21
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McLellan M. Suppression of chlorophyll fluorescence during quantitative fluorescence microscopy of plant protoplasts. Histochem J 1985; 17:1167-8. [PMID: 4077568 DOI: 10.1007/bf01002541] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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22
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Cross P, McLellan M, Vomberg E, Monga M, Monga TN. Observations on the use of music in rehabilitation of stroke patients. Physiother Can 1984; 36:197-201. [PMID: 10267518] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
Abstract
A preliminary investigation was initiated to explore the use of music as a means of improving general mobility, social interaction, and emotional stability in patients who have suffered a stroke. A literature search had revealed very little information on the use of music in the rehabilitation of such patients. The investigators videotaped a series of sessions involving group movement-to-music, group music-making, and individual movement-to-music. An individual case study in music-making was carried out as well. All videotapes were reviewed and we observed that an increase in the range and ease of movement of the patients occurred during weight-shifting activities, when appropriate music with a tempo of 58 to 63 beats per minute was used. Our observations supported the findings of recent research concerning preferred tempi for certain activities and reinforcement of movement by appropriate tempi. Other factors in our study, such as size of group, placement, cueing, and the opportunity to touch, appeared to affect the responses obtained in group situations. As the result of our observations, we have concluded that music enhances the general mobility and social interaction of patients who have sustained a cerebrovascular accident and that it may also improve a patient's emotional stability.
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23
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Fuller B, Morris G, Grout B, Bernard A, Farrant J, Pritchard H, McLellan M. Cold shock: A common cellular injury? Cryobiology 1982. [DOI: 10.1016/0011-2240(82)90247-4] [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: 10/25/2022]
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