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Khazali S, Bachi A, Carpenter TT, Moors A, Ballard K. Development and validation of GLVS (Generic Laparoscopic Video Scoring System), a tool for assessment of laparoscopic skills in gynaecology using videotaped procedures: Are edited videos representative of their full-length version? Facts Views Vis Obgyn 2023; 15:225-234. [PMID: 37742199 PMCID: PMC10643011 DOI: 10.52054/fvvo.15.2.085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/26/2023] Open
Abstract
Background Anonymized videotaped endoscopic procedures can be used for the assessment of surgical competence, but a reliable non-procedure-specific scoring system is needed for gynaecology. Objectives To design and evaluate the validity of the Generic Laparoscopic Video Scoring System (GLVS), a novel tool in the assessment of various gynaecological laparoscopic procedures. Materials and Methods Seventeen anonymized unedited video recordings of various gynaecological laparoscopic procedures and the 4-minute-long edited versions of the same videos were independently scored by two experts, twice, using GLVS. Main outcome measures Internal consistency reliability, test-retest, and inter-rater reliability of GLVS. We also compared the scored achieved by edited videos with those of the full-length version of the same videos. Results The mean score achieved by 4-minute-long edited videos was similar to that of the unedited version (p= 0.13 - 0.19). There was excellent correlation between the pooled scores for edited and unedited versions (intra-class correlation coefficient = 0.86). GLVS had excellent internal consistency reliability (Cronbach's alpha 0.92-0.97). Test-retest and inter-rater reliability were generally better for edited 4-minute-long videos compared to their full-length version. Test-retest reliability for edited videos was excellent for scorer 1 and good for scorer 2 with intra-class correlation coefficient (ICC) of 0.88 and 0.62 respectively. Inter-rater reliability was good for edited videos (ICC=0.64) but poor for full-length versions (ICC= -0.24). Conclusion GLVS allows for objective surgical skills assessment using anonymized shortened self-edited videos of basic gynaecological laparoscopic procedures. Shortened video clips of procedures seem to be representative of their full-length version for the assessment of surgical skills. What’s new? We devised and undertook a validation study for a novel tool to assess surgical skills using surgical video clips. We believe this addition clearly delineates the unique contributions of our study.
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El-Wahsh S, Bogaardt H, Kumfor F, Ballard K. Development and validation of the communication and language assessment questionnaire for persons with multiple sclerosis (CLAMS). Mult Scler Relat Disord 2020; 43:102206. [PMID: 32502873 DOI: 10.1016/j.msard.2020.102206] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [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: 03/28/2020] [Revised: 05/05/2020] [Accepted: 05/15/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND There is growing recognition that communication and language can be compromised in persons with multiple sclerosis (MS). However, patient-reported outcome measures (PROMs) designed to measure communication and language function in MS are currently lacking. OBJECTIVES This study aimed to develop and validate a novel PROM, the Communication and Language Assessment questionnaire for persons with Multiple Sclerosis (CLAMS). METHODS One-hundred and ninety-nine participants were recruited internationally through online channels. Participants completed an online questionnaire consisting of 41-items generated from the: (1) La Trobe Communication Questionnaire (LCQ), (2) Speech pathology-specific questionnaire for persons with Multiple Sclerosis (SMS), and (3) published research describing communication and language in MS. These items were then submitted to preliminary psychometric evaluation, including principal component analysis, internal consistency, test-retest reliability, criterion validity, and analyses of floor and ceiling effects. Criterion validity was assessed by comparing the CLAMS with the Communication Participation Item Bank (CPIB). RESULTS The final CLAMS contained 11-items. Internal consistency was high (α = 0.944) and test-retest reliability. All items produced an intra-class correlation coefficient ≥ 0.70. No floor or ceiling effects were present. A statistically significant strong correlation between the CLAMS and the CPIB was identified (r = -0.750, p = ≤ 0.001). CONCLUSION The CLAMS is a reliable and valid PROM that assesses self-perceived communication and language function in MS. This tool can be used for research and clinical purposes to measure intervention outcomes, monitor symptom evolution, evaluate service delivery, facilitate patient-centred care, and as an adjunct to clinical assessment.
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Affiliation(s)
- S El-Wahsh
- Discipline of Speech Pathology, Faculty of Medicine and Health, The University of Sydney, 75 East Street, Lidcombe, NSW, 2141, Australia.
| | - H Bogaardt
- Discipline of Speech Pathology, Faculty of Medicine and Health, The University of Sydney, 75 East Street, Lidcombe, NSW, 2141, Australia.
| | - F Kumfor
- The University of Sydney, Brain and Mind Centre and School of Psychology, 94 Mallett St, Camperdown, NSW, 2050.
| | - K Ballard
- Discipline of Speech Pathology, Faculty of Medicine and Health, The University of Sydney, 75 East Street, Lidcombe, NSW, 2141, Australia.
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Leyton C, Cassidy B, Jones G, Villemagne V, Ballard K, Piguet O, Hodges J. Divergent complex network patterns of amyloid-b deposition between language and typical alzheimer's presentations. J Neurol Sci 2015. [DOI: 10.1016/j.jns.2015.08.424] [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: 10/22/2022]
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Andrews V, Wright JT, Ballard K. Authors' reply: Continuous infusion of local anaesthetic following laparoscopic hysterectomy: a randomised controlled trial. BJOG 2014; 121:1442-3. [PMID: 25250928 DOI: 10.1111/1471-0528.12975] [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] [Accepted: 06/03/2014] [Indexed: 11/30/2022]
Affiliation(s)
- V Andrews
- University Hospital Lewisham, London, UK
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Smith R, Schwab K, Day A, Rockall T, Ballard K, Bailey M, Jourdan I. Effect of passive polarizing three-dimensional displays on surgical performance for experienced laparoscopic surgeons. Br J Surg 2014; 101:1453-9. [DOI: 10.1002/bjs.9601] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Revised: 02/19/2014] [Accepted: 06/03/2014] [Indexed: 01/15/2023]
Abstract
Abstract
Background
Although the potential benefits of stereoscopic laparoscopy have been recognized for years, the technology has not been adopted because of poor operator tolerance. Passive polarizing projection systems, which have revolutionized three-dimensional (3D) cinema, are now being trialled in surgery. This study was designed to see whether this technology resulted in significant performance benefits for skilled laparoscopists.
Methods
Four validated laparoscopic skills tasks, each with ten repetitions, were performed by 20 experienced laparoscopic surgeons, in both two-dimensional (2D) and 3D conditions. The primary outcome measure was the performance error rate; secondary outcome measures were time for task completion, 3D motion tracking (path length, motion smoothness and grasping frequency) and workload dimension ratings of the National Aeronautics and Space Administration (NASA) Task Load Index.
Results
Surgeons demonstrated a 62 per cent reduction in the median number of errors and a 35 per cent reduction in median performance time when using the passive polarizing 3D display compared with the 2D display. There was a significant 15 per cent reduction in median instrument path length, an enhancement of median motion smoothness, and a 15 per cent decrease in grasper frequency with the 3D display. Participants reported significant reductions in subjective workload dimension ratings of the NASA Task Load Index following use of the 3D displays.
Conclusion
Passive polarizing 3D displays improved both the performance of experienced surgeons in a simulated setting and surgeon perception of the operative field. Although it has been argued that the experience of skilled laparoscopic surgeons compensates fully for the loss of stereopsis, this study indicates that this is not the case.
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Affiliation(s)
- R Smith
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
| | - K Schwab
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
| | - A Day
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
| | - T Rockall
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
| | - K Ballard
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, UK
| | - M Bailey
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
| | - I Jourdan
- Minimal Access Therapy Training Unit, Royal Surrey County Hospital, Guildford, UK
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Andrews V, Wright JT, Zakaria F, Banerjee S, Ballard K. Continuous infusion of local anaesthetic following laparoscopic hysterectomy--a randomised controlled trial. BJOG 2014; 121:754-60; discussion 761. [PMID: 24548730 DOI: 10.1111/1471-0528.12610] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/28/2013] [Indexed: 11/29/2022]
Abstract
OBJECTIVE To estimate whether a continuous infusion of intraperitoneal local anaesthetic for 48 hours following laparoscopic hysterectomy reduced the need for opioids delivered with a patient-controlled analgesia pump. DESIGN Double-blind randomised placebo-controlled trial. SETTING District general hospital in the UK. POPULATION Women undergoing a laparoscopic hysterectomy for a benign indication. METHODS Women were randomised to receive either 0.5% levobupivicaine or 0.9% normal saline via an ON-Q elastomeric pump for 48 hours postoperatively. The amount of opioids used via the patient-controlled analgesia pump was recorded and pain was measured using an 11-point Box Scale. MAIN OUTCOME MEASURES The primary outcome was the amount of patient-administered morphine used over the first 48 postoperative hours. Secondary outcomes were length of hospital stay, oral analgesia use and level of patient-reported pain. RESULTS Sixty women participated and completed the trial. There was no difference (P = 0.59) in the median amount of patient-administered morphine used between the levobupivicaine (23 mg) and placebo (18.5 mg) groups; median group difference 3.0 (95% CI -7.0 to 14.0). There was also no difference in the length of hospital stay with 40% of the treatment group remaining in hospital >48 hours compared with 30% of the placebo group (P = 0.08). Pain scores at all postoperative time points remained similar, with a median group difference in pain scores of 1.0 (95% CI -1.0 to 2.0) at the end of the first postoperative day. CONCLUSIONS Continuous infusion of 0.5% levobupivicaine into the peritoneal cavity following laparoscopic hysterectomy does not have any opioid-sparing effects.
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Affiliation(s)
- V Andrews
- Ashford and St Peter's Hospitals NHS Foundation Trust, Chertsey, Surrey, UK
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Ballard K, Gari L, Mosisa H, Wright J. Provision of individualised obstetric risk advice to increase health facility usage by women at risk of a complicated delivery: a cohort study of women in the rural highlands of West Ethiopia. BJOG 2013; 120:971-8. [PMID: 23464619 DOI: 10.1111/1471-0528.12190] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/26/2013] [Indexed: 11/28/2022]
Abstract
OBJECTIVE To determine whether the provision of individualised obstetric risk advice would increase health facility usage in women at life-threatening risk of a complicated delivery in Ethiopia, where maternal mortality has remained high and static for a decade and where, although the government has increased the number of health facilities, 90% of women deliver their babies at home. DESIGN A prospective cohort study. SETTING Rural Ethiopian highlands. POPULATION A total of 294 pregnant women at 32 weeks or more of gestation. METHODS Before being provided with individualised risk advice, women were asked about their birth plans, and in particular, their planned delivery place. Those identified as being at risk of a complicated delivery were followed up to find out whether they altered their birth plans. MAIN OUTCOME MEASURE A change in birthplace. RESULTS Women identified as being at high risk of a complicated delivery significantly changed their plans (P < 0.01), with 34 (89%) women delivering in hospital. Women with a medium risk did not significantly change their birth plans (P = 0.082), with 35 (36%) delivering at home. Women with a high parity were less likely to change their birth plans compared with primigravid women (odds ratio 0.53; 95% confidence interval 0.34-0.83) and high-risk women were more likely to change their plans compared with medium-risk women (odds ratio 6.2; 95% confidence interval 1.8-21.6). CONCLUSIONS Providing simple, individualised advice about the risks of a complicated delivery leads to high-risk women delivering in hospital. Embedding this into the current antenatal care system in Ethiopia could significantly decrease maternal mortality.
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Affiliation(s)
- K Ballard
- School of Health & Social Care, University of Surrey, Guildford, Surrey, UK.
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Alemayehu W, Ballard K, Wright J. Primary repair of obstetric uterine rupture can be safely undertaken by non-specialist clinicians in rural Ethiopia: a case series of 386 women. BJOG 2012; 120:505-8. [PMID: 23216661 DOI: 10.1111/1471-0528.12098] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/22/2012] [Indexed: 11/29/2022]
Abstract
We report 386 consecutive cases of uterine rupture over a 10-year period, revealing a case fatality rate of 4.8%, which is significantly less than the 16-37% fatality rate published in the literature. Primary uterine repair, which was carried out by non-specialised doctors in 43% of cases, was the treatment for 98% of women, and appears to be simple and effective. The main predictor of death from uterine rupture was a treatment delay of more than 12 hours from the presumed time of rupture (OR 7.7; 95% CI 1.02-58.4).
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Affiliation(s)
- W Alemayehu
- Gimbie Adventist Hospital, Gimbie, West Wollega, Ethiopia, UK
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Hudelist G, Ballard K, English J, Wright J, Banerjee S, Mastoroudes H, Thomas A, Singer CF, Keckstein J. Transvaginal sonography vs. clinical examination in the preoperative diagnosis of deep infiltrating endometriosis. Ultrasound Obstet Gynecol 2011; 37:480-487. [PMID: 21433168 DOI: 10.1002/uog.8935] [Citation(s) in RCA: 125] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
OBJECTIVE The aim of this study was to compare the diagnostic performance of clinical vaginal examination with that of transvaginal sonography (TVS) in the presurgical diagnosis of deep infiltrating endometriosis. METHODS One-hundred and fifty-five women with symptoms suggestive of endometriosis were included. One-hundred and twenty-nine patients met the inclusion criteria and were prospectively and independently assessed by vaginal examination and TVS prior to a diagnostic laparoscopy and, where appropriate, radical resection and histological confirmation of endometriosis was performed. Sensitivity, specificity, positive predictive values (PPV), negative predictive values (NPV) and positive and negative likelihood ratios (LR+ and LR-) were calculated for each test method. RESULTS In total, 83 (64%) women had histological confirmation of endometriosis, 52 (40%) of whom had deep infiltrating endometriosis. The prevalence of endometriosis on the uterosacral ligaments, pouch of Douglas, vagina, bladder, rectovaginal space and rectosigmoid was 23.3%, 16.3%, 8.5%, 3.1%, 6.9% and 24%. PPV, NPV, LR+ and LR- for vaginal examination were 92%, 87%, 41.56 and 0.60 for ovarian endometriosis; 43%, 84%, 2.48 and 0.63 for uterosacral ligament disease; 64%, 95%, 9.14 and 0.26 for involvement of the pouch of Douglas; 80%, 97%, 42.91 and 0.28 for vaginal endometriosis; 78%, 98%, 46.67 and 0.23 for endometriosis of the rectovaginal space; 100%, 98%, 75.60 and 0.75 for bladder involvement; 86%, 84%, 18.97 and 0.63 for rectosigmoidal endometriosis. Values for TVS were similar with regard to vaginal and rectovaginal space endometriosis, but were clearly superior to vaginal examination in cases of ovarian (87%, 99%, 24.56 and 0.04), uterosacral ligament (91%, 90%, 31.35 and 0.37) and rectosigmoidal (97%, 97%, 88.51 and 0.1) endometriosis. CONCLUSIONS TVS is a more useful test than is vaginal examination in detecting endometriosis in the ovaries and rectosigmoid.
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Affiliation(s)
- G Hudelist
- Department of Obstetrics and Gynaecology, Endometriosis and Pelvic Pain Clinic, Wilhelminen Hospital, Vienna, Austria.
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Affiliation(s)
- J Wright
- Postgraduate Medical School, University of Surrey, Guildford, Surrey, UK.
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Hudelist G, Ballard K, English J, Wright J, Singer C, Keckstein J. Klinische Untersuchung versus Transvaginalsonografie (TVS) zur präoperativen Diagnose (TIE) der tief infiltrierenden Endometriose – eine Multicenterstudie. Geburtshilfe Frauenheilkd 2010. [DOI: 10.1055/s-0030-1254994] [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: 10/19/2022] Open
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Ballard K, Homesley H, Hodson C, Presant C, Rutledge J, Hallquist A, Perree M. Endometrial carcinoma in-vitro chemosensitivity testing of single and combination chemotherapy regimens using the novel microculture kinetic (MICK) apoptosis assay: Implications for endometrial cancer treatment. Gynecol Oncol 2010. [DOI: 10.1016/j.ygyno.2009.10.017] [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: 10/19/2022]
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Thom SR, Bhopale VM, Milovanova TM, Hardy KR, Logue CJ, Lambert DS, Troxel AB, Ballard K, Eisinger D. Plasma biomarkers in carbon monoxide poisoning. Clin Toxicol (Phila) 2010; 48:47-56. [PMID: 20095814 DOI: 10.3109/15563650903468209] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
OBJECTIVES The severity of acute carbon monoxide (CO) poisoning is often based on non-specific clinical criteria because there are no reliable laboratory markers. We hypothesized that a pattern of plasma protein values might objectively discern CO poisoning severity. This was a pilot study to evaluate protein profiles in plasma samples collected from patients at the time of initial hospital evaluation. The goal was to assess whether any values differed from age- and sex-matched controls using a commercially available plasma screening package. METHODS Frozen samples from 63 suspected CO poisoning patients categorized based on clinical signs, symptoms, and blood carboxyhemoglobin level were analyzed along with 42 age- and sex-matched controls using Luminex-based technology to determine the concentration of 180 proteins. RESULTS Significant differences from control values were found for 99 proteins in at least one of five CO poisoning groups. A complex pattern of elevations in acute phase reactants and proteins associated with inflammatory responses including chemokines/cytokines and interleukins, growth factors, hormones, and an array of auto-antibodies was found. Fourteen protein values were significantly different from control in all CO groups, including patients with nominal carboxyhemoglobin elevations and relatively brief intervals of exposure. CONCLUSIONS The data demonstrate the complexity of CO pathophysiology and support a view that exposure causes acute inflammatory events in humans. This pilot study has insufficient power to discern reliable differences among patients who develop neurological sequelae but future trials are warranted to determine whether plasma profiles predict mortality and morbidity risks of CO poisoning.
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Affiliation(s)
- Stephen R Thom
- Department of Emergency Medicine, University of Pennsylvania, Philadelphia, PA, USA.
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Lieng M, Qvigstad E, Istre O, Langebrekke A, Ballard K. Long-Term Outcomes Following Laparoscopic Supracervical Hysterectomy. Obstet Gynecol Surv 2009. [DOI: 10.1097/ogx.0b013e31819a7b3b] [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: 11/25/2022]
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Abstract
OBJECTIVE To compare the health-related quality of life (HRQoL) of patients following laparoscopic and open colorectal surgery. METHODS A systematic review was performed according to Quorum guidelines. Prospective studies comparing the HRQoL of patients after laparoscopic and open colorectal surgery were identified. The primary outcome measure was postoperative quality of life; performance status and cosmesis were secondary outcome measures. RESULTS 23 studies were identified that satisfied the inclusion criteria; 18 assessed HRQoL, 4 performance status, and 3 cosmesis. It was not possible to perform a meta-analysis due to study heterogeneity. The studies reported outcomes for 2946 patients. The most frequent HRQoL instruments employed were SF-36, EORTC, and GIQLI. 6 studies, using a total of 12 separate measures, evaluated QoL during the first 3 post-operative months: 10 of these measures showed no significant difference, and 2 showed an improved HRQoL with laparoscopy. Twelve further studies evaluated HRQoL up to 5 years post-operatively: 9 showed no difference between the 2 groups, and 3 demonstrated a benefit for laparoscopy. Three of 4 studies assessing performance status on discharge, and all 3 studies assessing cosmesis, reported benefits with the laparoscopic approach. CONCLUSIONS The current evidence suggests there is no significant difference in HRQoL following laparoscopic and open colorectal surgery, although there is a lack of good quality data. There is a trend towards improved quality of life outcomes and performance status with laparoscopy in the early post-operative period. There is a need for further research, particularly assessing quality of life in the early post-operative period.
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Affiliation(s)
- H M Dowson
- Minimal Access Therapy Training Unit, Postgraduate Medical School, Manor Park, Guildford, Surrey, UK.
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Abstract
OBJECTIVE Evaluation of long-term outcomes following laparoscopic supracervical hysterectomy (LSH). DESIGN Retrospective postal questionnaire. SETTING Norwegian university teaching hospital. POPULATION A total of 315 consecutive patients. METHODS A questionnaire sent to all patients who underwent a LSH during 2004 and 2005. MAIN OUTCOME MEASURES Persistent vaginal bleeding and pelvic pain, patient acceptability of such symptoms and patient satisfaction following LSH. RESULTS A total of 240 women (78%) completed the questionnaire. About 24% reported experiencing vaginal bleeding up to 3 years following their hysterectomy, although this was rated as minimal in 90% of cases, resulting in a mean bothersome score of 1.1 (SD 2.0) on a 10-point visual analogue scale (VAS). Women operated on by less experienced surgeons were more likely to report vaginal bleeding following surgery (P = 0.02). About 74% of women reported having menstrual pain prior to surgery, with a mean score of 6.8 (SD 2.1) (10-point VAS). Up to 3 years following surgery, 38% continued to experience menstrual pain, although this was significantly less intense with a mean score of 3.5 (SD 2.2) (P < 0.01). While all women reported a decrease in the amount of pain experienced following the hysterectomy, those having a hysterectomy because of endometriosis reported significantly higher levels of menstrual/cyclical pain after surgery compared with women who had a hysterectomy for other reasons (P < 0.01). Ninety per cent of women reported being satisfied with their surgery. CONCLUSION Although vaginal bleeding and pelvic pain are frequently observed following LSH, these symptoms are significantly reduced and patient satisfaction is high.
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Affiliation(s)
- M Lieng
- Department of Gynaecology and Obstetrics, Ullevål University Hospital, Oslo, Norway.
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Abstract
In this article, we describe a randomised trial in which two established primary dressings - Comfeel (Coloplast, UK) and Granuflex improved formulation (Convatec, UK) - were compared to Cutinova foam (Beiersdorf Medical, UK) in the management of venous leg ulcers. Patients that met the study trial criteria were randomised to receive one of the three primary dressings. All ulcers were secondarily bandaged with Comprilan (Beiersdorf Medical, UK) short-stretch compression. The three dressings were compared in terms of their ability to promote ulcer healing (closure rate and healing rate) and reduce the prevalence and severity of ulcer-associated pain, over a 12-week period. The ease with which dressings could be used in a busy outpatient clinic setting was also considered. On enrollment, groups were well matched in terms of all of the patient and ulcer parameters studies. Six patients were withdrawn for reasons unrelated to study dressings or trial procedures. Following non-parametric analysis of the study data, the three dressings were found to be equally effective at promoting ulcer healing and alleviating ulcer-associated pain. Study personnel rated Cutinova Foam as easy, if not easier, to use than Comfeel or Granuflex. This study suggests that Cutinova Foam is as safe and effective as both Comfeel and Granuflex, in the treatment of venous leg ulcers.
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Abstract
There are an estimated 500 tissue viability specialists practising throughout the UK, and thousands of nurses with organizational responsibility for the speciality. These nurses make key decisions for their trusts and face clinical dilemmas and managerial challenges unique to their specialty on a daily basis. However, a new Audit Commission report on ward staffing has issued a challenge for nurses, particularly clinical nurse specialists, to prove their worth (Audit Commission, 2001). The Audit Commission report states that even though many trusts now employ specialist nurses, it is not clear what their impact is, and the report questions whether nurse specialists have deskilled ward-based nurses and caused discontent.
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Ballard K, Baxter H. Vacuum-assisted closure. Nurs Times 2001; 97:51-2. [PMID: 11957602] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital, London
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Abstract
This case study highlights the use of vacuum-assisted closure (VAC) in a diabetic man following a partial transverse amputation of his foot. In this situation infection-free healing is imperative in order to salvage the limb and prevent further trauma. VAC therapy facilitates rapid granulation of wounds and reduces bacterial colonization rates. This method was adopted as a suitable therapy for treatment of a patient who suffered from a complex wound at high-risk of reinfection.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's and St Thomas' NHS Trust, London
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Baxter H, Ballard K. Bandaging: a vital skill. Nurs Times 2001; 97:56-61. [PMID: 11958111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- H Baxter
- Guy's & St Thomas's Hospital NHS Trust
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Abstract
The Tielle family (Johnson & Johnson Medical) is a range of dressings that come in a variety of shapes and sizes, designed to fit the different types and locations of wounds that occur in practice. There are three types--Tielle, Tielle Lite and Tielle Plus--and the choice of dressing should be based on the degree of exudate that the wound is producing. This product focus aims to give an overview of the range and provides research-based evidence for application in clinical practice.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital, London, UK
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Ballard K, Charles H. Ultrasound therapy. Nurs Times 2001; 97:58-9. [PMID: 11954490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 04/18/2023]
Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital, London
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Ballard K. Use of the Polaroid Macro 3 SLR camera in wound assessment. Br J Community Nurs 2001; 6:318-9. [PMID: 11873209 DOI: 10.12968/bjcn.2001.6.6.7079] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Patient assessment is essential to effective care and facilitates systematic care planning. Assessment must be performed in combination with good documentation and accurate record keeping. Clinical governance, risk management and accountable practice are continuously emphasized by the UKCC (1992, 1998) and Department of Health (1998), and in the light of increasing litigation, it is imperative that planned and given care is accurately documented.
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Affiliation(s)
- K Ballard
- Tissue Viability, Guy's Hospital, London
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Ballard K, Baxter H. Promoting healing in static wounds. Nurs Times 2001; 97:52. [PMID: 11954459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
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Abstract
A new hydropolymer dressing was compared with an alginate dressing in a multicentre, prospective, controlled, randomised, stratified, open label trial of 113 patients with exuding venous leg ulcers. The study aimed to evaluate the performance of the dressings in terms of their ability to handle exudate, patient and user acceptability and cost-effectiveness. Patients were stratified according to volume of wound exudate (moderate/heavy) and randomised to the hydropolymer dressing or the alginate plus a secondary dressing. A statistically significant difference between treatment groups was observed in mean wear time, with a longer wear time observed in the hydropolymer group (3.91 days) compared with the alginate group (3.09 days, p = 0.001). In terms of patient and user acceptability, all 10 overall evaluations made by both patient and investigator were markedly in favour of the hydropolymer dressing (p < 0.001 to p = 0.020). The use of the hydropolymer dressing for patients with moderate to heavily exuding venous leg ulcers has statistically significant advantages over the alginate dressing in terms of wear time and investigator and patient acceptability. It is anticipated that this reduction in dressing frequency will translate into a cost-effective wound treatment.
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Affiliation(s)
- H J Schulze
- Department of Dermatology, Institute for Tumours of the Skin, University of Münster, Germany
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29
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Abstract
This article gives an overview of the treatment and causes of venous leg ulcers and focuses on a new four-layer bandage system (K-Four from Parema) which can be used in the treatment of these ulcers. The article features preliminary observations of this new system, which was used on 10 patients who had previously worn multilayer compression.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Nuffield House, Guy's Hospital, London
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Ballard K, Baxter H. Essential wound healing. Part. 7. Managing acute wounds. Community Nurse 2000; 6:suppl 1-7. [PMID: 11982128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/24/2023]
Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital
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Abstract
Research and development in wound healing has ensured that issues relating to chronic wound management remain high in the nursing agenda. Since the advent of modern wound dressings, which retain a moist wound healing environment, work has continued to progress into more advanced, interactive products which aim to alter the wound bed in order to promote a suitable environment for cell migration and growth. Rapid wound healing is advocated and necessary to reduce morbidity and mortality in patients with large chronic wounds and to reduce the financial and manpower implications of long-term wound care in the hospital or community setting. Vacuum-assisted closure, artificial skins, growth factors and larval therapy are discussed in order to give an overview of some of the emerging practices being adopted for difficult to manage wounds.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Nuffield House, London
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32
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Abstract
This study evaluates the performance of a new hydropolymer adhesive dressing in the treatment of chronic or acute wounds, in the presence of blood and/or low levels of exudate, in 74 patients, in a five-site multi-centre non-comparative clinical trial of four weeks' duration. The primary efficacy variable was defined as the incidence of central island dressing adherence to the wound bed in the final stages of healing. The hydropolymer dressing performed extremely well with 98.4% (240 out of 244) of the dressings not adhering to the wound bed.
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Affiliation(s)
- A Taylor
- Leg Ulcer Clinic, Salford Community Healthcare NHS Trust, UK
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33
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Baxter H, Ballard K, McGregor F. Wound care. Concentrated care. Nurs Times 1999; 95:66-8. [PMID: 10847087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/16/2023]
Affiliation(s)
- H Baxter
- Guy's and St Thomas's NHS Trust, London
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34
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Taylor AA, Shepherd AM, Polvino W, Mangoo-Karim R, Ballard K, Sunthornyothin S, Luther RR, Pool JL. Prolonged fenoldopam infusions in patients with mild to moderate hypertension: pharmacodynamic and pharmacokinetic effects. Am J Hypertens 1999; 12:906-14. [PMID: 10509549 DOI: 10.1016/s0895-7061(99)00068-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Thirty-three patients with mild-to-moderate essential hypertension received either placebo or fenoldopam, a selective dopamine-1 agonist, by intravenous infusion at a fixed infusion rate ranging from 0.1 to 0.8 microg/kg/min for 48 h during a double-blind, placebo-controlled, randomized inpatient clinical trial. Blood pressure and heart rate were measured every 15 min for 24 h before, during, and 24 h after the 48-h drug infusion. Plasma concentrations of racemic fenoldopam were measured at frequent intervals during and for 24 h after fenoldopam infusion. In the 26 patients who received fenoldopam, there were dose-dependent reductions in systolic and diastolic blood pressure, which usually reached a nadir within 2 h of beginning infusion and were significant even at the lowest dose studied (-9 and -9 mm Hg for systolic and diastolic blood pressure, respectively, at 24 h for the dose of 0.04 microg/kg/min, P < .05). There were associated increases in heart rate that were greater in the first than in the last 24 h of drug infusion. Compared to the average 24-h control blood pressure, maximum mean reductions in systolic and diastolic blood pressures of 33 and 21 mm Hg, respectively, were noted in patients receiving fenoldopam at 0.8 microg/kg/min and occurred 4 and 1 h, respectively, after beginning infusion. Tolerance to the blood pressure lowering effects of the drug developed slowly during the 48 h of drug infusion; the half-life for this effect was 60 h. No serious adverse clinical effects were noted in any patient. These results demonstrate that fenoldopam is effective in reducing blood pressure of patients with mild-to-moderate hypertension at doses as low as 0.04 microg/kg/min, is well tolerated at doses up to 0.8 microg/kg/min, maintains most of its antihypertensive efficacy throughout 48 h of continuous, constant rate infusion, and produces neither prolonged pharmacodynamic effects nor rebound hypertension when discontinued. The pharmacodynamic effects of the drug are best predicted by pharmacokinetics of racemic and R-fenoldopam.
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Affiliation(s)
- A A Taylor
- Department of Medicine, Baylor College of Medicine, Houston, Texas 77030, USA
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35
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Ballard K, Baxter H. The tendering process for beds and mattresses. Prof Nurse 1998; 13:450-4. [PMID: 9653280] [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: 02/08/2023]
Abstract
As increasing numbers of expensive, sophisticated bed and mattress systems become available, more trusts are negotiating contracts for supply, maintenance and training. It is important that tissue viability nurses become involved in such decision-making.
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Affiliation(s)
- K Ballard
- Guy's and St Thomas' Hospital Trust, Guy's Hospital, London
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36
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Zabel DD, Tinkoff G, Wittenborn W, Ballard K, Fulda G. Adequacy and efficacy of lateral cervical spine radiography in alert, high-risk blunt trauma patient. J Trauma 1997; 43:952-6; discussion 957-8. [PMID: 9420111 DOI: 10.1097/00005373-199712000-00015] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The purpose of this study was to determine the adequacy and accuracy of lateral cervical spine radiographs in the initial evaluation of alert, high-risk trauma patients evaluated at a Level I trauma center. METHODS Data were obtained retrospectively through review of trauma service admissions from January 1, 1994, to July 31, 1995. Included were all patients triaged to a trauma response team with age > 15 years, Glasgow Coma Scale score > 13, and blunt mechanism of injury. Lateral cervical spine radiograms were obtained routinely before secondary survey and were reviewed for technical adequacy (all seven cervical vertebrae, C7/T1 interspace). The presence of cervical symptoms (pain, tenderness, neurologic deficits) was recorded. Sensitivity and specificity were calculated for lateral cervical spine radiography and cervical symptoms in predicting the presence of cervical spine injury. Bayesian analysis, which allows for the current probability of occurrence to be factored by previously reported probabilities of occurrence, was used to determine the negative predictive probability of lateral cervical spine radiography and absence of cervical symptoms to predict the absence of injury to the cervical spine. RESULTS Three hundred fifty-three patients received lateral cervical spine radiograms, of which 223 (63%) were determined to be adequate for interpretation. Cervical symptoms were present in 77 patients (20%). Only 32 (42%) of this group's lateral cervical spine radiograms were adequate. Nine patients (2.4%) had acutely fractured cervical vertebrae or ligamentous disruption. Lateral cervical spine radiography showed the injury in only six of these patients. The sensitivity, specificity, and negative predictive probability for lateral cervical spine radiography were 67, 58, and 1.4%, respectively, and for absence of cervical symptoms, 89, 81, and 0.32%, respectively. CONCLUSION The higher accuracy and lower negative predictive probability make the absence of cervical symptoms in the alert, high-risk, blunt trauma patient a better screening test than lateral cervical spine radiography. We suggest that lateral cervical spine radiography is not needed in the initial evaluation of alert patients who have sustained blunt trauma.
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Affiliation(s)
- D D Zabel
- Department of Surgery, Medical Center of Delaware, Wilmington, USA
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37
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Ballard K. Pressure-relief mattresses and patient comfort. Prof Nurse 1997; 13:27-32. [PMID: 9393050] [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: 02/05/2023]
Abstract
The ideal pressure-relieving support system is comfortable, relieves pressure and prevents tissue damage. In order to ensure patient compliance with the choice of mattress, patient comfort and quality of sleep should be among the most important factors involved in the decision-making process.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital, London
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Ballard K. Know how. Pulsating air suspension therapy. Nurs Times 1997; 93:66-7. [PMID: 9205363] [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: 02/04/2023]
Abstract
The realisation that pressure sores are caused by shearing forces and tissue distortion rather than simply by pressure, had led to the development of specialised patient support systems. The pulsating air suspension system was developed to help reduce the incidence of oedema formation. All health-care professionals using specialised bed therapy have a responsibility to understand the principles of that therapy in order to ensure appropriate patient selection, which may be aided by the development of placement criteria. The concept of pulsation therapy has been a stimulus for new thinking on the causes and treatment of pressure sores and has highlighted the need for further research on the part played by the lymphatic system and oedema on pressure sore formation, although there is already strong evidence that there is a link between tge two.
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Affiliation(s)
- K Ballard
- Tissue Viability Unit, Guy's Hospital, London
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39
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Abstract
When a patient is intubated with an endotracheal tube for artificial ventilation the humidifying, warming and filtering functions of the nose and upper airways are bypassed. This article reviews the need for the provision of artificial humidification, optimal levels that should be provided and the two types of device which are available to achieve this, namely, the heat and moisture exchanging devices and the heated vaporising or nebulising humidifiers. Finally a study is presented which documents the exact level of moisture delivered to patients by the cascade water bath humidifier.
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Peters RH, Ballard K, Oatis JE, Jollow DJ, Stuart RK. Cellular glutathione as a protective agent against 4-hydroperoxycyclophosphamide cytotoxicity in K-562 cells. Cancer Chemother Pharmacol 1990; 26:397-402. [PMID: 2225310 DOI: 10.1007/bf02994088] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Exposure of cells of the K-562 erythroleukemia cell line to 4-hydroperoxycyclophosphamide (4-HC), an analog of activated cyclophosphamide, causes a concentration-dependent inhibition of in vitro colony formation by these cells. For investigation of the role of glutathione (GSH) in the metabolism of 4-HC, GSH levels of K-562 cells were modulated by exposing the cells to buthionine sulfoximine (BSO), a specific inhibitor of GSH synthesis, and/or to GSH ethyl esters. Both the mono- and diethyl esters of GSH were synthesized in our laboratories and their identities were determined by chromatographic methods and fast-atom-bombardment mass spectrometry. An HPLC method including electrochemical detection used for thiol determination was applied for the measurement of GSH esters. Incubation of the cells with BSO depleted GSH levels to approximately 11% of control values and potentiated the cytotoxicity of 4-HC. By contrast, exposure to GSH esters approximately doubled GSH levels and protected the cells against the toxicity of 4-HC. Moreover, when cellular GSH levels were first depleted by BSO exposure and then replenished by incubation with GSH esters, the BSO-associated potentiation of 4-HC cytotoxicity was abolished. The work described herein extends the application of an HPLC method used for thiol determination to the measurement of GSH ethyl esters. In addition, it established that GSH acts as a competitive protecting agent against the in vitro toxicity of 4-HC in the K-562 cell line.
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Affiliation(s)
- R H Peters
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston 29425
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41
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Ballard K. Showing where the money goes. Cost-effective care in ICU. Prof Nurse 1990; 5:656-8. [PMID: 2120709] [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: 12/30/2022]
Abstract
As resource management is implemented around the country, nurses are being asked to become more cost conscious, while maintaining standards of patient care. Staff in one ICU were introduced to the effects of their care on the unit budget.
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Ballard K. Teaching about medication is role for nurses. Am Nurse 1984; 16:3. [PMID: 6561008] [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: 04/05/2023]
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Mais D, Knapp D, Halushka P, Ballard K, Hamanaka N. Synthesis of thromboxane receptor antagonists with the potential to radiolabel with 125I. Tetrahedron Lett 1984. [DOI: 10.1016/s0040-4039(01)81396-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 0.7] [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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46
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Ballard K, Alliapoulos JC. The response of blood flow to altered perfusion pressure in canine adipose tissue. Proc Soc Exp Biol Med 1975; 150:65-70. [PMID: 1187712 DOI: 10.3181/00379727-150-38975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
It is concluded that subcutaneous adipose tissue autoregulates its blood flow only weakly or not at all in the range of perfusion pressures employed in our studies. Instead, these experiments demonstrate that when perfusion pressure is altered in the fat pad, vascular resistance must change in an opposite direction since there is little tendency for the flow to return to control values. Therefore, the vascular bed is responding passively. Furthermore, there was little evidence of autoregulation in denervated tissues indicating that the extrinsic neural control does not mask an underlying ability to modulate flow.
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Ballard K, Fredholm BB, Meng HC, Rosell S. Heparin-induced release of lipase activity from perfused canine subcutaneous adipose tissue. Proc Soc Exp Biol Med 1971; 137:1490-3. [PMID: 5138478 DOI: 10.3181/00379727-137-35816] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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50
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Abstract
Vascular resistance, capillary filtration coefficient (CFC) and changes in blood volume were determined in canine omental adipose tissue. Release of glycerol and free fatty acids (FFA) were measured. Basal values in acutely denervated tissue for blood flow and CFC were 11 ml/min/100 g (range 4 to 26, N = 36) and 0.05 ml/min/100 g/mm Hg (range 0.018 to 0.090, N = 38), respectively. Stimulation of the sympathetic nerves (1 to 9 Hz) caused initial vasoconstriction, maintained for 1 to 3 minutes. At lower frequencies (1 to 3Hz), the blood flow increased gradually after the initial decrease. At higher frequencies, the constriction often reverted to vasodilatation. The CFC was not changed or increased initially. The clearance rate of locally injected
125
I decreased in spite of a constant blood flow and blood volume was reduced initially. After α-receptor blockade, nerve stimulation caused vasodilatation, which in turn was inhibited by β-receptor blockade. Infusion of norepinephrine produced a pattern of vascular and lipolytic responses similar to those evoked by nerve stimulation. The release of glycerol and FFA was increased by nerve stimulation and by norepinephrine. The lipolytic response was inhibited by β-receptor blockade. It is concluded that sympathetic nerves are physiologically important for the regulation of vascular reactions and control of lipid metabolism in omental adipose tissue. Whether this is also the case for circulating catecholamines remains to be established.
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