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1.
J Med Syst ; 44(3): 56, 2020 Jan 24.
Artigo em Inglês | MEDLINE | ID: mdl-31980955

RESUMO

Motion tracking software for assessing laparoscopic surgical proficiency has been proven to be effective in differentiating between expert and novice performances. However, with several indices that can be generated from the software, there is no set threshold that can be used to benchmark performances. The aim of this study was to identify the best possible algorithm that can be used to benchmark expert, intermediate and novice performances for objective evaluation of psychomotor skills. 12 video recordings of various surgeons were collected in a blinded fashion. Data from our previous study of 6 experts and 23 novices was also included in the analysis to determine thresholds for performance. Video recording were analyzed both by the Kinovea 0.8.15 software and a blinded expert observer using the CAT form. Multiple algorithms were tested to accurately identify expert and novice performances. ½ L + [Formula: see text] A + [Formula: see text] J scoring of path length, average movement and jerk index respectively resulted in identifying 23/24 performances. Comparing the algorithm to CAT assessment yielded in a linear regression coefficient R2 of 0.844. The value of motion tracking software in providing objective clinical evaluation and retrospective analysis is evident. Given the prospective use of this tool the algorithm developed in this study proves to be effective in benchmarking performances for psychomotor skills evaluation.


Assuntos
Algoritmos , Colecistectomia Laparoscópica/métodos , Competência Clínica , Movimento/fisiologia , Software , Análise e Desempenho de Tarefas , Humanos , Gravação em Vídeo
2.
Surg Endosc ; 32(6): 2994-2999, 2018 06.
Artigo em Inglês | MEDLINE | ID: mdl-29340824

RESUMO

BACKGROUND: The use of motion tracking has been proved to provide an objective assessment in surgical skills training. Current systems, however, require the use of additional equipment or specialised laparoscopic instruments and cameras to extract the data. The aim of this study was to determine the possibility of using a software-based solution to extract the data. METHODS: 6 expert and 23 novice participants performed a basic laparoscopic cholecystectomy procedure in the operating room. The recorded videos were analysed using Kinovea 0.8.15 and the following parameters calculated the path length, average instrument movement and number of sudden or extreme movements. RESULTS: The analysed data showed that experts had significantly shorter path length (median 127 cm vs. 187 cm, p = 0.01), smaller average movements (median 0.40 cm vs. 0.32 cm, p = 0.002) and fewer sudden movements (median 14.00 vs. 21.61, p = 0.001) than their novice counterparts. CONCLUSION: The use of software-based video motion tracking of laparoscopic cholecystectomy is a simple and viable method enabling objective assessment of surgical performance. It provides clear discrimination between expert and novice performance.


Assuntos
Colecistectomia Laparoscópica/educação , Competência Clínica , Software , Gravação em Vídeo , Humanos
3.
J Biomed Inform ; 65: 145-158, 2017 01.
Artigo em Inglês | MEDLINE | ID: mdl-27932222

RESUMO

Sensemaking theories help designers understand the cognitive processes of a user when he/she performs a complicated task. This paper introduces a two-step approach of incorporating sensemaking support within the design of health information systems by: (1) modeling the sensemaking process of physicians while performing a task, and (2) identifying software interaction design requirements that support sensemaking based on this model. The two-step approach is presented based on a case study of the tumor contouring clinical task for radiotherapy planning. In the first step of the approach, a contextualized sensemaking model was developed to describe the sensemaking process based on the goal, the workflow and the context of the task. In the second step, based on a research software prototype, an experiment was conducted where three contouring tasks were performed by eight physicians respectively. Four types of navigation interactions and five types of interaction sequence patterns were identified by analyzing the gathered interaction log data from those twenty-four cases. Further in-depth study on each of the navigation interactions and interaction sequence patterns in relation to the contextualized sensemaking model revealed five main areas for design improvements to increase sensemaking support. Outcomes of the case study indicate that the proposed two-step approach was beneficial for gaining a deeper understanding of the sensemaking process during the task, as well as for identifying design requirements for better sensemaking support.


Assuntos
Cognição , Sistemas de Informação em Saúde , Neoplasias , Software , Compreensão , Feminino , Humanos , Masculino , Modelos Teóricos
4.
Surg Endosc ; 31(6): 2451-2456, 2017 06.
Artigo em Inglês | MEDLINE | ID: mdl-27655377

RESUMO

BACKGROUND: The concept of self-assessment has been widely acclaimed for its role in the professional development cycle and self-regulation. In the field of medical education, self-assessment has been most used to evaluate the cognitive knowledge of students. The complexity of training and evaluation in laparoscopic surgery has previously acted as a barrier in determining the benefits self-assessment has to offer in comparison with other fields of medical education. METHODS: Thirty-five surgical residents who attended the 2-day Laparoscopic Surgical Skills Grade 1 Level 1 curriculum were invited to participate from The Netherlands, India and Romania. The competency assessment tool (CAT) for laparoscopic cholecystectomy was used for self- and expert-assessment and the resulting distributions assessed. RESULTS: A comparison between the expert- and self-assessed aggregates of scores from the CAT agreed with previous studies. Uniquely to this study, the aggregates of individual sub-categories-'use of instruments'; 'tissue handling'; and errors 'within the component tasks' and the 'end product' from both self- and expert-assessments-were investigated. There was strong positive correlation (r s > 0.5; p < 0.001) between the expert- and self-assessment in all categories with only the 'tissue handling' having a weaker correlation (r s = 0.3; p = 0.04). The distribution of the mean of the differences between self-assessment and expert-assessment suggested no significant difference between the scores of experts and the residents in all categories except the 'end product' evaluation where the difference was significant (W = 119, p = 0.03). CONCLUSION: Self-assessment using the CAT form gives results that are consistently not different from expert-assessment when assessing one's proficiency in surgical skills. Areas where there was less agreement could be explained by variations in the level of training and understanding of the assessment criteria.


Assuntos
Colecistectomia Laparoscópica/educação , Competência Clínica , Internato e Residência , Autoavaliação (Psicologia) , Feminino , Humanos , Índia , Masculino , Países Baixos , Romênia
5.
BMC Geriatr ; 17(1): 97, 2017 04 28.
Artigo em Inglês | MEDLINE | ID: mdl-28454563

RESUMO

BACKGROUND: Despite the detrimental effects of physical inactivity for older adults, especially aged residents of residential care settings may spend much time in inactive behavior. This may be partly due to their poorer physical condition; however, there may also be other, setting-related factors that influence the amount of inactivity. The aim of this review was to review setting-related factors (including the social and physical environment) that may contribute to the amount of older adults' physical inactivity in a wide range of residential care settings (e.g., nursing homes, assisted care facilities). METHODS: Five databases were systematically searched for eligible studies, using the key words 'inactivity', 'care facilities', and 'older adults', including their synonyms and MeSH terms. Additional studies were selected from references used in articles included from the search. Based on specific eligibility criteria, a total of 12 studies were included. Quality of the included studies was assessed using the Mixed Methods Appraisal Tool (MMAT). RESULTS: Based on studies using different methodologies (e.g., interviews and observations), and of different quality (assessed quality range: 25-100%), we report several aspects related to the physical environment and caregivers. Factors of the physical environment that may be related to physical inactivity included, among others, the environment's compatibility with the abilities of a resident, the presence of equipment, the accessibility, security, comfort, and aesthetics of the environment/corridors, and possibly the presence of some specific areas. Caregiver-related factors included staffing levels, the available time, and the amount and type of care being provided. CONCLUSIONS: Inactivity levels in residential care settings may be reduced by improving several features of the physical environment and with the help of caregivers. Intervention studies could be performed in order to gain more insight into causal effects of improving setting-related factors on physical inactivity of aged residents.


Assuntos
Cuidadores/psicologia , Planejamento Ambiental , Exercício Físico/psicologia , Instituição de Longa Permanência para Idosos , Casas de Saúde , Adulto , Idoso , Idoso de 80 Anos ou mais , Planejamento Ambiental/tendências , Exercício Físico/fisiologia , Instituição de Longa Permanência para Idosos/tendências , Humanos , Casas de Saúde/tendências
6.
Surg Technol Int ; 28: 111-6, 2016 Apr.
Artigo em Inglês | MEDLINE | ID: mdl-27175810

RESUMO

BACKGROUND: The sleeve gastrectomy is being performed increasingly as a primary procedure for the treatment of morbid obesity. A minimally invasive approach is currently applied to the procedure. The two major steps are dissection and stapling. For dissection, several tools have been developed. The goal of this study was to compare the efficiency and the ergonomics of two ultrasonic devices during the sleeve gastrectomy. MATERIALS AND METHODS: Thirty patients were randomised for the use of a cordless Sonicision™ (Covidien, Mansfield, MA) or a cord-containing HARMONIC ACE®+ (Ethicon Endo-Surgery Inc., Cincinnati, OH) during dissection. Both devices were assessed for objective and subjective measures. RESULTS: There was no significant difference in duration of the procedures. The assembly and installation time of the Sonicision™ were significantly shorter; however, the dismantle time was not. No difference in plume formation or dissection failures was found between the devices. Scrub nurses scored the Sonicision™ significantly clearer and easier in use and more reliable. The surgeons, however, did not find one of the devices easier in use, more reliable or precise, but they did report better manoeuvrability of the Sonicision™. CONCLUSION: In comparison to the wired HARMONIC ACE®+, during sleeve gastrectomy, the cordless Sonicision™ was considered easier to use, faster during assembling and installation, and more reliable with better manoeuvrability. Surgeons scored both devices equally effective. Both ultrasonic devices can be used easily and safely for a sleeve gastrectomy.


Assuntos
Dissecação/instrumentação , Fontes de Energia Elétrica , Gastrectomia/instrumentação , Procedimentos Cirúrgicos Minimamente Invasivos/instrumentação , Procedimentos Cirúrgicos Ultrassônicos/instrumentação , Adulto , Atitude do Pessoal de Saúde , Desenho de Equipamento , Análise de Falha de Equipamento , Ergonomia/instrumentação , Feminino , Humanos , Masculino , Duração da Cirurgia , Resultado do Tratamento
7.
Int J Hyperthermia ; 31(8): 823-30, 2015.
Artigo em Inglês | MEDLINE | ID: mdl-26446870

RESUMO

PURPOSE: Clinical phase III trials have shown the benefit of adding hyperthermia to radiotherapy and chemotherapy for head and neck cancer (H&N). The HYPERcollar, a functional prototype capable of applying hyperthermia to the entire H&N region was developed. Specific absorption rate-based hyperthermia treatment planning (HTP) is used to optimise HYPERcollar treatments. Hence, besides treatment quality, reproduction and reproducibility of the HTP are also pivotal. In the current work we analysed the impact of key parameters on treatment quality and completely redesigned the mechanical layout of the HYPERcollar for improved treatment quality and patient comfort. MATERIAL AND METHODS: The requirements regarding patient position and the water bolus shape were quantified by simulation studies. The complete mechanical redesign was based on these requirements and non-modellable improvements were experimentally validated. RESULTS: From simulation studies we imposed the required positioning accuracy to be within ±5 mm. Simulation studies also showed that the water bolus shape has an important impact on treatment quality. Solutions to meet the requirements were 1) a redesign of the applicator, 2) a redesign of the water bolus, and 3) a renewed positioning strategy. Experiments were used to demonstrate whether the solutions meet the requirements. CONCLUSIONS: The HYPERcollar redesign improves water bolus shape, stability and skin contact. The renewed positioning strategy allows for positioning of the patient within the required precision of ±5 mm. By clinically introducing the new design, we aim at improving not only treatment quality and reproducibility, but also patient comfort and operator handling, which are all important for a better hyperthermia treatment quality.


Assuntos
Hipertermia Induzida/instrumentação , Simulação por Computador , Desenho de Equipamento , Cabeça , Humanos , Pescoço
8.
BMC Geriatr ; 15: 26, 2015 Mar 18.
Artigo em Inglês | MEDLINE | ID: mdl-25886987

RESUMO

BACKGROUND: The number of older adults with dementia is expected to increase. Dementia is not only characterized by a decline in cognition, also other functions, for example, physical functioning change. A possible means to decrease the decline in these functions, or even improve them, could be increasing the amount of physical activity. A feasible way hereto may be activation of the mirror neuron system through action observation. This method has already been shown beneficial for the performance of actions in, for example, stroke patients. The primary aim of this study is to examine the effect of observing videos of walking people on physical activity and physical performance, in older adults with dementia. Secondary, effects on cognition and quality of life related factors will be examined. METHODS/DESIGN: A cluster randomized controlled trial is being performed, in which videos are shown to older adults with dementia (also additional eligibility criteria apply) in shared living rooms of residential care facilities. Due to the study design, living rooms instead of individual participants are randomly assigned to the experimental (videos of walking people) or control (videos of nature) condition, by means of drawing pieces of paper. The intervention has a duration of three months, and takes place on weekdays, during the day. There are four measurement occasions, in which physical activity, physical functioning, activities of daily living, cognition, the rest-activity rhythm, quality of life, and depression are assessed. Tests for participants are administered by a test administrator who is blind to the group the participant is in. DISCUSSION: This study examines the effect of the observation of walking people on multiple daily life functions and quality of life related factors in older adults with dementia. A strength of this study is that the intervention does not require much time and attention from caregivers or researchers. A challenge of the study is therefore to get to know for how long residents watch the videos. However, the design implies a high feasibility of the study, as well as a high applicability of the intervention into daily care. TRIAL REGISTRATION: NTR4708. Date of registration: 31 July 2014.


Assuntos
Cognição , Demência/psicologia , Atividade Motora , Qualidade de Vida/psicologia , Gravação de Videoteipe/métodos , Caminhada/psicologia , Atividades Cotidianas/psicologia , Idoso , Idoso de 80 Anos ou mais , Cuidadores/psicologia , Cognição/fisiologia , Demência/reabilitação , Feminino , Humanos , Masculino , Atividade Motora/fisiologia , Casas de Saúde , Instituições Residenciais , Resultado do Tratamento
9.
Surg Technol Int ; 24: 19-25, 2014 Mar.
Artigo em Inglês | MEDLINE | ID: mdl-24526423

RESUMO

In recent years, many efforts have been made to reduce the trauma of surgical access further by the use of single-incision laparoscopic surgery (SILS). The Ergo-Lap (ergonomic laparoscopic) simulator was taken to the 20th International Congress of the European Association for Endoscopic Surgery (EAES) in 2012 in Brussels, Belgium. During the congress, the simulator was assessed by 13 general surgeons with different SILS experience using a standardized questionnaire to determine the usability of the Ergo-Lap simulator training for basic SILS skills. Eleven of the 13 participants rated the simulator as an attractive simulator (attractive here means arousing interest of the trainees). For the aspects of training in an ergonomic way, 12 of 13 participants rated it as good to excellent because the work space and task panel location can be adjusted according to the length of instruments. Also, 92% (12 of 13) thought the Ergo-Lap simulator was useful for practicing basic SPLS skills. And 85% (11 of 13) thought it was very easy to use. For SILS skills training, this in~xpensive and portable Ergo-Lap simulator offers a feasible training opportunity to help trainees practice their SILS skills under ergonomic conditions.


Assuntos
Ergonomia/instrumentação , Laparoscopia/educação , Laparoscopia/instrumentação , Cirurgiões/educação , Cirurgiões/estatística & dados numéricos , Adulto , Simulação por Computador , Humanos , Masculino , Pessoa de Meia-Idade
10.
Surg Innov ; 21(3): 297-302, 2014 Jun.
Artigo em Inglês | MEDLINE | ID: mdl-24172167

RESUMO

BACKGROUND: Surgery for locally advanced and recurrent rectal carcinoma can be associated with major blood loss. OBJECTIVE: We developed a promising technique using a hemostatic balloon to stop uncontrollable bleeding. DESIGN: Models were developed using pelvic magnetic resonance imaging scans, and these models were tested in a cadaveric study. Eventually a model was tested in a clinical setting. The Hemostatic Balloon Device was placed in patients in whom during surgery uncontrollable bleeding from the venous presacral plexus occurred. SETTINGS: A tertiary referral hospital for locally advanced and recurrent rectal cancer. PATIENTS: Patients receiving multimodality treatment for primary or recurrent locally advanced rectal carcinomas. MAIN OUTCOME MEASURES: First the developed prototypes were tested in a cadaveric study where the developing pressure on the pelvic wall was measured. Second, the Hemostatic Balloon Device was placed in patients in whom during surgery uncontrollable bleeding from the venous presacral plexus occurred. RESULTS: The balloon was used in 9 patients. Median volume of blood loss was 7500 mL. In 8 patients treatment with the hemostatic balloon was successful. In 1 patient the balloon was dislocated cranially and the pelvis was packed with surgical gauzes. LIMITATIONS: These first results are promising but further research is needed to evaluate how effective the balloon is in controlling massive bleeding during rectal cancer surgery. Future perspectives include a possibly thinner silicon rubber that can be stretched more easily with a lower inflated volume. DISCUSSION: The hemostatic balloon is a new and promising technique for accomplishing hemostasis with controllable pressure on the pelvic cavity wall and can be removed without the need for a second laparotomy.


Assuntos
Hemostasia Cirúrgica/instrumentação , Hemostasia Cirúrgica/métodos , Neoplasias Retais/cirurgia , Idoso , Idoso de 80 Anos ou mais , Perda Sanguínea Cirúrgica/prevenção & controle , Estudos de Coortes , Desenho de Equipamento , Feminino , Humanos , Imageamento por Ressonância Magnética , Masculino , Pessoa de Meia-Idade , Tratamentos com Preservação do Órgão
11.
World J Surg ; 37(8): 1841-50, 2013 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-23604304

RESUMO

BACKGROUND: Operative notes are the gold standard for detecting adverse events and near misses and form the basis for scientific research. In order to guarantee safe patient care, operative notes must be objective, complete, and accurate. This study explores the current routine of note writing for laparoscopic cholecystectomy (LC) and the differences between the notes of attendings and residents. METHODS: Attendings and residents were sent a DVD with footage of three LCs and were asked to "write" the corresponding notes and to complete a questionnaire. Dictation tapes were transcribed and items in the notes were analyzed for each procedure ("item described" or "item not described"). Fisher's exact tests were performed using SPSS 16.0 for Mac. RESULTS: Thirteen sets of typewritten notes and 10 dictation tapes were returned. The results of the questionnaire showed that 16 of the 23 sets of notes were dictated. Eight participants found the current system for generating notes inadequate. 14 items (31 %) were included more often in the attendings' notes and 25 items (56 %) were included more often in the residents' notes. Overall, residents significantly more often described the location of the epigastric trocar (P = 0.018), the size of both working trocars (P = 0.019), the opening of the peritoneal envelope (P = 0.002), Critical View of Safety reached (P = 0.002), and the location for removing the gallbladder (P = 0.019). With the exception of "gallbladder perforation" (20 of 21 notes), complications were underreported. CONCLUSIONS: In this study residents described more items than attendings. All notes lacked information concerning complications in the procedure, which makes the notes subjective and incomplete. A procedure-specific template or black-box-based operative notes based on established guidelines could improve the quality of the notes of both attendings and residents.


Assuntos
Colecistectomia Laparoscópica/educação , Colecistectomia Laparoscópica/normas , Internato e Residência , Prontuários Médicos , Corpo Clínico Hospitalar , Humanos , Inquéritos e Questionários
12.
Minim Invasive Ther Allied Technol ; 22(6): 337-45, 2013 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-23992382

RESUMO

OBJECTIVE: The cost of laparoscopic simulators restricts the wide use of simulation for training of basic psychomotor skills. This paper describes the scientifically-based development of an inexpensive and portable Ergonomic Laparoscopic Skills (Ergo-Lap) simulator with multiple tasks. MATERIAL AND METHODS: The design of this Ergo-Lap simulator and related training task panel was based on scientific research regarding the representative skills and the ergonomic guidelines for laparoscopic surgery. A user-centred design approach was followed. Fifty-three surgical participants with variable laparoscopic experience (14 medical students, 27 surgeons in training, and 12 experienced laparoscopic surgeons) performed several tasks on the prototype and gave their feedback by filling out a 5-point scale Likert scale questionnaire. RESULTS: The results of the usability evaluation showed that the participants regarded the Ergo-Lap simulator as a useful device to practice the basic and advanced skills effectively. Forty-three of the 53 participants indicated they would like to purchase this simulator since it is easy to use and challenges their laparoscopic skills. CONCLUSIONS: For laparoscopic skills training, this inexpensive Ergo-Lap simulator with diverse task choices offers a simple training opportunity for trainees who want to practice laparoscopic skills at home or at the office.


Assuntos
Competência Clínica , Simulação por Computador , Ergonomia/métodos , Laparoscopia/educação , Simulação por Computador/economia , Educação Médica Continuada/economia , Educação Médica Continuada/métodos , Desenho de Equipamento , Ergonomia/economia , Humanos , Guias de Prática Clínica como Assunto , Desempenho Psicomotor , Estudantes de Medicina , Inquéritos e Questionários , Interface Usuário-Computador
13.
J Surg Res ; 171(1): 240-4, 2011 Nov.
Artigo em Inglês | MEDLINE | ID: mdl-20462598

RESUMO

BACKGROUND: Sustained increased intra-abdominal pressure (IAP) has negative effects. Noninvasive IAP measurement could be beneficial to improve monitoring of patients at risk and in whom IAP measurements might be unreliable. We assessed the relation between IAP and abdominal wall tension (AWT) in vitro and in vivo. MATERIALS AND METHODS: The abdomens of 14 corpses were insufflated with air. IAP was measured at intervals up to 20 mm Hg. At each interval, AWT was measured five times at six points. In 42 volunteers, AWT was measured at five points in supine, sitting, and standing positions during various respiratory manoeuvres. Series were repeated in 14 volunteers to measure reproducibility by calculating coefficients of variation (CV). ANOVA was used for analyses. RESULTS: In corpses, all points showed significant correlations between IAP and AWT (P < 0.001 for points 1-4 in the upper abdomen, P = 0.017 for point 5 and P = 0.008 for point 6 in the lower abdomen). Mean slopes were greatest at points across the epigastric region (points 1-3). In vivo measurements showed that AWT was on average 31% higher in men compared to women (P < 0.001), and increased from expiration to inspiration to Valsalva's manoeuvre (all P < 0.001). AWT was highest at points 1 and 2 and in standing position, followed by supine and sitting positions. BMI did not influence AWT. Mean CV of repeated measurements was 14%. CONCLUSIONS: AWT reflects IAP. The epigastric region appears most suitable for AWT measurements. Further longitudinal clinical studies are needed to assess usefulness of AWT measurements for monitoring of IAP.


Assuntos
Cavidade Abdominal/fisiologia , Parede Abdominal/fisiologia , Hipertensão Intra-Abdominal/diagnóstico , Manometria/métodos , Monitorização Fisiológica/métodos , Adolescente , Adulto , Idoso de 80 Anos ou mais , Cadáver , Feminino , Humanos , Masculino , Manometria/instrumentação , Manometria/normas , Monitorização Fisiológica/instrumentação , Monitorização Fisiológica/normas , Pneumoperitônio Artificial , Postura/fisiologia , Pressão , Valores de Referência , Reprodutibilidade dos Testes , Caracteres Sexuais , Bexiga Urinária/fisiologia , Adulto Jovem
14.
Surg Innov ; 18(3): 214-22, 2011 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-21949010

RESUMO

A new lighting device for open surgery of difficult access wounds was designed: the Extender add-on. The performance of the Extender is evaluated and compared with the conventional solutions used in the operating room (OR) on illumination quality. A cylindrical setup was built to measure the distribution of light in a simulated pelvic wound. The light was provided by a head-mounted light, an OR light, and a pair of Extender prototypes. The results showed that the Extender prototypes provided 12.2 lumens inside the wound, whereas the head-mounted light gave 5.7 lumens. The Extenders provided smoothly angular distributed light from 0° to 180°, whereas the head-mounted light and OR light only provided light from 115° to 180°. The Extender prototypes had a promising performance in terms of light distribution. It is expected that a more accurately produced Extender will increase performance in terms of illumination quantity and illumination distribution smoothness even further.


Assuntos
Iluminação/instrumentação , Instrumentos Cirúrgicos , Desenho de Equipamento , Ergonomia , Humanos , Modelos Anatômicos
15.
Surg Endosc ; 24(12): 2993-3001, 2010 Dec.
Artigo em Inglês | MEDLINE | ID: mdl-20419318

RESUMO

BACKGROUND: The aim of this study is to investigate the influence of the presence of anatomic landmarks on the performance of angled laparoscope navigation on the SimSurgery SEP simulator. METHODS: Twenty-eight experienced laparoscopic surgeons (familiar with 30° angled laparoscope, >100 basic laparoscopic procedures, >5 advanced laparoscopic procedures) and 23 novices (no laparoscopy experience) performed the Camera Navigation task in an abstract virtual environment (CN-box) and in a virtual representation of the lower abdomen (CN-abdomen). They also rated the realism and added value of the virtual environments on seven-point scales. RESULTS: Within both groups, the CN-box task was accomplished in less time and with shorter tip trajectory than the CN-abdomen task (Wilcoxon test, p < 0.05). No significant differences were found between the performances of the experienced participants and the novices on the CN tasks (Mann-Whitney U test, p > 0.05). In both groups, the CN tasks were perceived as hard work and more challenging than anticipated. CONCLUSIONS: Performance of the angled laparoscope navigation task is influenced by the virtual environment surrounding the exercise. The task was performed better in an abstract environment than in a virtual environment with anatomic landmarks. More insight is required into the influence and function of different types of intrinsic and extrinsic feedback on the effectiveness of preclinical simulator training.


Assuntos
Simulação por Computador , Laparoscopia/educação , Laparoscopia/métodos , Cavidade Abdominal/anatomia & histologia , Adulto , Idoso , Humanos , Pessoa de Meia-Idade , Inquéritos e Questionários , Adulto Jovem
16.
World J Surg ; 34(5): 903-9, 2010 May.
Artigo em Inglês | MEDLINE | ID: mdl-20112020

RESUMO

BACKGROUND: Laparoscopic cholecystectomy (LC) is the most performed minimal invasive surgical procedure and has a relatively high complication rate. As complications are often revealed postoperatively, clear, accurate, and timely written operative notes are important in order to recall the procedure and start follow-up treatment as soon as possible. In addition, the surgeon's operative notes are important to assure surgical quality and communication with other healthcare providers. The aim of the present study was to assess compliance with the Dutch guidelines for writing operative notes for LC. METHODS: Nine hospitals were asked to send 20 successive LC operative notes. All notes were compared to the Dutch guideline by two reviewers and double-checked by a third reviewer. Statistical analyses on the "not described" items were performed. RESULTS: All hospitals participated. Most notes complied with the Dutch guideline (52-69%); 19-30% of items did not comply. Negative scores for all hospitals were found, mainly for lacking a description of the patient's posture (average 69%), bandage (94%), blood loss (98%), name of the scrub nurse (87%), postoperative conclusion (65%), and postoperative instructions (78%). Furthermore, notes from one community hospital and two teaching hospitals complied significantly less with the guidelines. CONCLUSIONS: Operative notes do not always fully comply with the standards set forth in the guidelines published in the Netherlands. This could influence adjuvant treatment and future patient treatment, and it may make operative notes less suitable background for other purposes. Therefore operative note writing should be taught as part of surgical training, definitions should be provided, and procedure-specific guidelines should be established to improve the quality of the operative notes and their use to improve patient safety.


Assuntos
Colecistectomia Laparoscópica/normas , Prontuários Médicos/normas , Controle de Formulários e Registros , Humanos , Método Simples-Cego
17.
World J Surg ; 34(5): 933-40, 2010 May.
Artigo em Inglês | MEDLINE | ID: mdl-20151134

RESUMO

BACKGROUND: Surgical techniques that draw from multiple types of image-based procedures (IBP) are increasing, such as Natural Orifice Transluminal Endoscopic Surgery, fusing laparoscopy and flexible endoscopy. However, little is known about the relation between psychomotor skills for performing different types of IBP. For example, do basic psychomotor colonoscopy and laparoscopy skills interact? METHODS: Following a cross-over study design, 29 naïve endoscopists were trained on the Simbionix GI Mentor and the SimSurgery SEP simulators. Group C (n = 15) commenced with a laparoscopy session, followed by four colonoscopy sessions and a second laparoscopy session. Group L (n = 14) started with a colonoscopy session, followed by four laparoscopy sessions and a second colonoscopy session. RESULTS: No significant differences were found between the performances of group L and group C in their first training sessions on either technique. With additional colonoscopy training, group C outperformed group L in the second laparoscopy training session on the camera navigation task. CONCLUSIONS: Overall, training in the basic colonoscopy tasks does not affect performance of basic laparoscopy tasks (and vice versa). However, to limited extent, training of basic psychomotor skills for colonoscopy do appear to contribute to the performance of angled laparoscope navigation tasks. Thus, training and assessment of IBP type-specific skills should focus on each type of tasks independently. Future research should further investigate the influence of psychometric abilities on the performance of IBP and the transfer of skills for physicians who are experienced in one IBP type and would like to become proficient in another type of IBP.


Assuntos
Endoscopia , Laparoscopia , Procedimentos Cirúrgicos Minimamente Invasivos/educação , Desempenho Psicomotor , Colonoscopia , Estudos Cross-Over , Educação , Avaliação Educacional , Endoscopia/educação , Humanos , Destreza Motora
18.
Artigo em Inglês | MEDLINE | ID: mdl-20095896

RESUMO

The aim of this study was to assess the performance curve for novices training in bimanual tissue manipulation and angled laparoscope navigation, and compare those performances with the performances of experienced laparoscopic surgeons. The Camera Navigation task with a 30 degrees angled laparoscope and the Place Arrow task of the new SimSurgery SEP virtual reality simulator were used. Fourteen medical trainees (no laparoscopy experience) performed four training sessions within one week, including 15 repetitions of each task in total. The experienced participants (>50 procedures & familiar with angled laparoscope) performed each task twice. The performance on both tasks by the novices improved significantly over the training sessions. The experienced participants performed both tasks significantly better than the novices in repetition 3. After repetition 15, the performances of the novices on both tasks were of the same level as the performances of the experienced participants. By training on SimSurgery SEP, medical trainees can extensively improve their skills in navigation with 30 degrees angled laparoscope and bimanual tissue manipulation. Further research should focus on the transfer of skills acquired on the simulator to the clinical setting. Knowledge on proficiency thresholds and training end-points for pre-clinical criterion-based training of different laparoscopic tasks also needs to be extended.


Assuntos
Competência Clínica , Simulação por Computador , Laparoscopia/normas , Avaliação Educacional , Humanos , Laparoscópios , Laparoscopia/métodos , Interface Usuário-Computador
19.
JMIR Form Res ; 4(5): e15568, 2020 May 06.
Artigo em Inglês | MEDLINE | ID: mdl-32374271

RESUMO

BACKGROUND: Electronic health (eHealth) programs are often based on protocols developed for the original face-to-face therapies. However, in practice, therapists and patients may not always follow the original therapy protocols. This form of personalization may also interfere with the intended implementation and effects of eHealth interventions if designers do not take these practices into account. OBJECTIVE: The aim of this explorative study was to gain insights into the personalization practices of therapists and patients using cognitive behavioral therapy, one of the most commonly applied types of psychotherapy, in a youth addiction care center as a case context. METHODS: Focus group discussions were conducted asking therapists and patients to estimate the extent to which a therapy protocol was followed and about the type and reasons for personalization of a given therapy protocol. A total of 7 focus group sessions were organized involving therapists and patients. We used a commonly applied protocol for cognitive behavioral therapy as a therapy protocol example in youth mental health care. The first focus group discussions aimed at assessing the extent to which patients (N=5) or therapists (N=6) adapted the protocol. The second focus group discussions aimed at estimating the extent to which the therapy protocol is applied and personalized based on findings from the first focus groups to gain further qualitative insight into the reasons for personalization with groups of therapists and patients together (N=7). Qualitative data were analyzed using thematic analysis. RESULTS: Therapists used the protocol as a "toolbox" comprising different therapy tools, and personalized the protocol to enhance the therapeutic alliance and based on their therapy-provision experiences. Therapists estimated that they strictly follow 48% of the protocol, adapt 30%, and replace 22% by other nonprotocol therapeutic components. Patients personalized their own therapy to conform the assignments to their daily lives and routines, and to reduce their levels of stress and worry. Patients estimated that 29% of the provided therapy had been strictly followed by the therapist, 48% had been adjusted, and 23% had been replaced by other nonprotocol therapeutic components. CONCLUSIONS: A standard cognitive behavioral therapy protocol is not strictly and fully applied but is mainly personalized. Based on these results, the following recommendations for eHealth designers are proposed to enhance alignment of eHealth to therapeutic practice and implementation: (1) study and copy at least the applied parts of a protocol, (2) co-design eHealth with therapists and patients so they can allocate the components that should be open for user customization, and (3) investigate if components of the therapy protocol that are not applied should remain part of the eHealth applied. To best generate this information, we suggest that eHealth designers should collaborate with therapists, patients, protocol developers, and mental health care managers during the development process.

20.
Orthop Nurs ; 39(5): 292-302, 2020.
Artigo em Inglês | MEDLINE | ID: mdl-32956269

RESUMO

BACKGROUND: Improving communication and information services for people receiving a total joint (knee or hip) arthroplasty (TJA) depends on the differences in patient communication needs and personal characteristics. PURPOSE: The purpose of this study was to further examine individual differences in TJA patient preferences regarding communication and information provision. METHODS: Nineteen patients participated in generative research, which meant they actively reflected on their TJA experiences and communication preferences through creative exercises (e.g., collage making). Audio transcripts of their shared reflections were qualitatively analyzed through an inductive approach. RESULTS: Some participants wanted detailed health education, others did not. Participants also reported different support needs (e.g., at hospital discharge or during rehabilitation). Moreover, participant preferences for social connections with care providers differed. CONCLUSIONS: An individual patient's mindset, his or her social support needs, physical condition, and medical history should guide the provision of tailored services.


Assuntos
Artroplastia de Quadril , Artroplastia do Joelho , Comunicação , Tomada de Decisões , Idoso , Artroplastia de Quadril/reabilitação , Artroplastia do Joelho/reabilitação , Feminino , Educação em Saúde , Humanos , Masculino , Apoio Social
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