J Biomed Inform - The use of fault reporting of medical equipment to identify latent design flaws.

Tópicos

{ design(1359) user(1324) use(1319) }
{ studi(1410) differ(1259) use(1210) }
{ studi(2440) review(1878) systemat(933) }
{ high(1669) rate(1365) level(1280) }
{ care(1570) inform(1187) nurs(1089) }
{ system(1050) medic(1026) inform(1018) }
{ monitor(1329) mobil(1314) devic(1160) }
{ medic(1828) order(1363) alert(1069) }
{ chang(1828) time(1643) increas(1301) }
{ data(2317) use(1299) case(1017) }
{ studi(1119) effect(1106) posit(819) }
{ patient(1821) servic(1111) care(1106) }
{ use(976) code(926) identifi(902) }
{ method(2212) result(1239) propos(1039) }
{ surgeri(1148) surgic(1085) robot(1054) }
{ data(3963) clinic(1234) research(1004) }
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{ take(945) account(800) differ(722) }
{ motion(1329) object(1292) video(1091) }
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{ age(1611) year(1155) adult(843) }
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{ cost(1906) reduc(1198) effect(832) }
{ group(2977) signific(1463) compar(1072) }
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{ gene(2352) biolog(1181) express(1162) }
{ data(3008) multipl(1320) sourc(1022) }
{ first(2504) two(1366) second(1323) }
{ intervent(3218) particip(2042) group(1664) }
{ activ(1138) subject(705) human(624) }
{ time(1939) patient(1703) rate(768) }
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{ can(981) present(881) function(850) }
{ analysi(2126) use(1163) compon(1037) }
{ health(1844) social(1437) communiti(874) }
{ structur(1116) can(940) graph(676) }
{ cancer(2502) breast(956) screen(824) }
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{ survey(1388) particip(1329) question(1065) }
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{ detect(2391) sensit(1101) algorithm(908) }

Resumo

CKGROUND AND PURPOSE: Poor device design that fails to adequately account for user needs, cognition, and behavior is often responsible for use errors resulting in adverse events. This poor device design is also often latent, and could be responsible for "No Fault Found" (NFF) reporting, in which medical devices sent for repair by clinical users are found to be operating as intended. Unresolved NFF reports may contribute to incident under reporting, clinical user frustration, and biomedical engineering technologist inefficacy. This study uses human factors engineering methods to investigate the relationship between NFF reporting frequency and device usability.MATERIAL AND METHODS: An analysis of medical equipment maintenance data was conducted to identify devices with a high NFF reporting frequency. Subsequently, semi-structured interviews and heuristic evaluations were performed in order to identify potential usability issues. Finally, usability testing was conducted in order to validate that latent usability related design faults result in a higher frequency of NFF reporting.RESULTS: The analysis of medical equipment maintenance data identified six devices with a high NFF reporting frequency. Semi-structured interviews, heuristic evaluations and usability testing revealed that usability issues caused a significant portion of the NFF reports. Other factors suspected to contribute to increased NFF reporting include accessory issues, intermittent faults and environmental issues. Usability testing conducted on three of the devices revealed 23 latent usability related design faults.CONCLUSIONS: These findings demonstrate that latent usability related design faults manifest themselves as an increase in NFF reporting and that devices containing usability related design faults can be identified through an analysis of medical equipment maintenance data.

Resumo Limpo

ckground purpos poor devic design fail adequ account user need cognit behavior often respons use error result advers event poor devic design also often latent respons fault found nff report medic devic sent repair clinic user found oper intend unresolv nff report may contribut incid report clinic user frustrat biomed engin technologist inefficaci studi use human factor engin method investig relationship nff report frequenc devic usabilitymateri method analysi medic equip mainten data conduct identifi devic high nff report frequenc subsequ semistructur interview heurist evalu perform order identifi potenti usabl issu final usabl test conduct order valid latent usabl relat design fault result higher frequenc nff reportingresult analysi medic equip mainten data identifi six devic high nff report frequenc semistructur interview heurist evalu usabl test reveal usabl issu caus signific portion nff report factor suspect contribut increas nff report includ accessori issu intermitt fault environment issu usabl test conduct three devic reveal latent usabl relat design faultsconclus find demonstr latent usabl relat design fault manifest increas nff report devic contain usabl relat design fault can identifi analysi medic equip mainten data

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