Determining the upper boundary of the cobalt-rich crust distribution of a guyot is important for estimating the mineral resources available, however, it has also long been an unsolved question. Correlations between th...Determining the upper boundary of the cobalt-rich crust distribution of a guyot is important for estimating the mineral resources available, however, it has also long been an unsolved question. Correlations between the sub-bottom structures, revealed by sub-bottom profiling, and crust distribution can be revealed for the first time by the synchronous application of sub-bottom profiling and deep-sea video recording. The lower boundary of the sediment corresponds with the upper boundary of the crust. By analysis of these two kinds of data, the lower boundary of the sediment can be determined; therefore, the upper boundary of the crust distribution can be deduced. According to this method of analysis, the upper boundary of water depth of crust distribution of a seamount in the western Pacific is about 1 560 m.展开更多
AIM:To find if patients are interested in obtaining a video recording of their colonoscopy procedure.METHODS:We conducted a survey of outpatients presenting for colonoscopy regarding their interest in obtaining a vide...AIM:To find if patients are interested in obtaining a video recording of their colonoscopy procedure.METHODS:We conducted a survey of outpatients presenting for colonoscopy regarding their interest in obtaining a video recording of their colonoscopy.RESULTS:Two hundred and forty-eight patients(mean age 57.9 years;57% male) were surveyed.Two hundred and one patients(81%) were interested in obtaining a video recording.No significant predictors of patients' interest in the video recording were identified.After reading a brief educational paragraph explaining missed lesions during colonoscopy,135 patients(54%) were more interested in having a video recording,and none were less interested.One hundred and fifty-six patients(63%) were willing to pay for a video recording.In multivariable analyses,younger age was predictive of willingness to pay for a video recording.Prior history of colorectal cancer and a family history of colorectal cancer were predictive of willingness to pay a greater amount.CONCLUSION:Patients undergoing colonoscopy expressed substantial interest in obtaining a videorecording of their procedure.Awareness of missing lesions during colonoscopy increased interest in having a videorecording.展开更多
AIM To determine the feasibility of introducing video recording(VR) of neonatal resuscitation(NR) in a perinatal centre.METHODS This was a prospective cohort quality improvement study on preterm infants and their care...AIM To determine the feasibility of introducing video recording(VR) of neonatal resuscitation(NR) in a perinatal centre.METHODS This was a prospective cohort quality improvement study on preterm infants and their caregivers.Based on evidence and experience of other centers using VR intervention,a contextually relevant implementation and evaluation strategy was designed in the planning phase.The components of intervention were pre-resuscitation team huddle,VR of NR and video debriefing(VD),all occurringon the same day.Various domains of feasibility and sustainability as well as feasibility criteria were predefined.Data for analysis was collected using quantitative and qualitative methods.RESULTS Seventy-one caregivers participated in VD of 14 NRs facilitated by six trained instructors.Ninety-one percent of caregivers perceived enhanced learning and patient safety and,48 issues were identified related to policy,caregiver roles,and latent safety threats.Ninety percent of caregivers expressed their willingness to participate in VD activity and supported the idea of integrating it into a resuscitation team routine.Eighty-three percent and 50% of instructors expressed satisfaction with video review software and quality of audio VR.No issues about maintenance of infant or caregivers' confidentiality and erasure of videos were reported.Criteria for feasibility were met(refusal rate of < 10%,VR performed on > 50% of occasions,and < 20% caregivers' perceiving a negative impact on team performance).Necessary adaptations to enhance sustainability were identified.CONCLUSION VR of NR as a standard of care quality assurance activity to enhance caregivers' learning and create opportunities that improve patient safety is feasible.Despite its complexity with inherent challenges in implementation,the intervention was acceptable,implementable,and potentially sustainable with adaptations.展开更多
AIM:To review and summerize the current literatue regarding M2A wireless capsule endoscopy. METHODS:Peer reviewed publications regarding the use of capsule endoscopy as well as our personal experience were reviewed. R...AIM:To review and summerize the current literatue regarding M2A wireless capsule endoscopy. METHODS:Peer reviewed publications regarding the use of capsule endoscopy as well as our personal experience were reviewed. RESULTS:Review of the literature dearly showed that capsule endoscopy was superior to enteroscopy,small bowel follow through and computerized tomography in patients with obscure gastrointestinal bleeding,iron deficiency anemia, or suspected Crohn's disease.It was very sensitive for the diagnosis of small bowel tumors and for survailance of small bowel pathology in patients with Gardner syndrome or familial adenomatous polyposis syndrome.Its role in celiac disease and in patients with known Crohn's disease was currently being investigated. CONCLUSION:Capsule video endoscopy is a superior and more sensitive diagnostic tool than barium follow through, enteroscopy and entero-CT in establishing the diagnosis of many small bowel pathologies.展开更多
AIM:To establish a recording system with a direct view of the surgeon to supplement video recording under an operating microscope,which lacks information on the movement and position of the surgeon’s hands,and to fac...AIM:To establish a recording system with a direct view of the surgeon to supplement video recording under an operating microscope,which lacks information on the movement and position of the surgeon’s hands,and to facilitate the reproduction of a skilled surgeon’s technique by a surgeon in training.METHODS:A small camera was attached to the operating microscope with a custom adapter.Microscopic surgeon’s view and direct surgeon’s view through this new camera were recorded in the surgical recording system.Both movies were synchronized and analyzed how do surgeons handle the instruments.RESULTS:A small camera attached to the operating microscope allowed the surgeon’s hands motion to be recorded without interfering with the surgeon’s movements.Different surgeons used different methods to manipulate the ultrasound handpiece and the irrigation/aspiration device.Even in the simple paracentesis procedure,different surgeons used different methods.Surgeons-in-training were able to identify and improve their weaknesses by watching synchronized movies of their hand motions and microscopic view.CONCLUSION:Simultaneous recording the surgical field out of the operating microscopic view by a small camera set on the microscope is comprehensive and improves surgeons-in-training understanding and learning surgeries.展开更多
文摘Determining the upper boundary of the cobalt-rich crust distribution of a guyot is important for estimating the mineral resources available, however, it has also long been an unsolved question. Correlations between the sub-bottom structures, revealed by sub-bottom profiling, and crust distribution can be revealed for the first time by the synchronous application of sub-bottom profiling and deep-sea video recording. The lower boundary of the sediment corresponds with the upper boundary of the crust. By analysis of these two kinds of data, the lower boundary of the sediment can be determined; therefore, the upper boundary of the crust distribution can be deduced. According to this method of analysis, the upper boundary of water depth of crust distribution of a seamount in the western Pacific is about 1 560 m.
文摘AIM:To find if patients are interested in obtaining a video recording of their colonoscopy procedure.METHODS:We conducted a survey of outpatients presenting for colonoscopy regarding their interest in obtaining a video recording of their colonoscopy.RESULTS:Two hundred and forty-eight patients(mean age 57.9 years;57% male) were surveyed.Two hundred and one patients(81%) were interested in obtaining a video recording.No significant predictors of patients' interest in the video recording were identified.After reading a brief educational paragraph explaining missed lesions during colonoscopy,135 patients(54%) were more interested in having a video recording,and none were less interested.One hundred and fifty-six patients(63%) were willing to pay for a video recording.In multivariable analyses,younger age was predictive of willingness to pay for a video recording.Prior history of colorectal cancer and a family history of colorectal cancer were predictive of willingness to pay a greater amount.CONCLUSION:Patients undergoing colonoscopy expressed substantial interest in obtaining a videorecording of their procedure.Awareness of missing lesions during colonoscopy increased interest in having a videorecording.
基金Supported by the Centre for Healthcare Optimization Research and Delivery(CHORD)at Hamilton Health Sciences with an aim of facilitating knowledge transfer initiatives from health care and supportive teams
文摘AIM To determine the feasibility of introducing video recording(VR) of neonatal resuscitation(NR) in a perinatal centre.METHODS This was a prospective cohort quality improvement study on preterm infants and their caregivers.Based on evidence and experience of other centers using VR intervention,a contextually relevant implementation and evaluation strategy was designed in the planning phase.The components of intervention were pre-resuscitation team huddle,VR of NR and video debriefing(VD),all occurringon the same day.Various domains of feasibility and sustainability as well as feasibility criteria were predefined.Data for analysis was collected using quantitative and qualitative methods.RESULTS Seventy-one caregivers participated in VD of 14 NRs facilitated by six trained instructors.Ninety-one percent of caregivers perceived enhanced learning and patient safety and,48 issues were identified related to policy,caregiver roles,and latent safety threats.Ninety percent of caregivers expressed their willingness to participate in VD activity and supported the idea of integrating it into a resuscitation team routine.Eighty-three percent and 50% of instructors expressed satisfaction with video review software and quality of audio VR.No issues about maintenance of infant or caregivers' confidentiality and erasure of videos were reported.Criteria for feasibility were met(refusal rate of < 10%,VR performed on > 50% of occasions,and < 20% caregivers' perceiving a negative impact on team performance).Necessary adaptations to enhance sustainability were identified.CONCLUSION VR of NR as a standard of care quality assurance activity to enhance caregivers' learning and create opportunities that improve patient safety is feasible.Despite its complexity with inherent challenges in implementation,the intervention was acceptable,implementable,and potentially sustainable with adaptations.
文摘AIM:To review and summerize the current literatue regarding M2A wireless capsule endoscopy. METHODS:Peer reviewed publications regarding the use of capsule endoscopy as well as our personal experience were reviewed. RESULTS:Review of the literature dearly showed that capsule endoscopy was superior to enteroscopy,small bowel follow through and computerized tomography in patients with obscure gastrointestinal bleeding,iron deficiency anemia, or suspected Crohn's disease.It was very sensitive for the diagnosis of small bowel tumors and for survailance of small bowel pathology in patients with Gardner syndrome or familial adenomatous polyposis syndrome.Its role in celiac disease and in patients with known Crohn's disease was currently being investigated. CONCLUSION:Capsule video endoscopy is a superior and more sensitive diagnostic tool than barium follow through, enteroscopy and entero-CT in establishing the diagnosis of many small bowel pathologies.
文摘AIM:To establish a recording system with a direct view of the surgeon to supplement video recording under an operating microscope,which lacks information on the movement and position of the surgeon’s hands,and to facilitate the reproduction of a skilled surgeon’s technique by a surgeon in training.METHODS:A small camera was attached to the operating microscope with a custom adapter.Microscopic surgeon’s view and direct surgeon’s view through this new camera were recorded in the surgical recording system.Both movies were synchronized and analyzed how do surgeons handle the instruments.RESULTS:A small camera attached to the operating microscope allowed the surgeon’s hands motion to be recorded without interfering with the surgeon’s movements.Different surgeons used different methods to manipulate the ultrasound handpiece and the irrigation/aspiration device.Even in the simple paracentesis procedure,different surgeons used different methods.Surgeons-in-training were able to identify and improve their weaknesses by watching synchronized movies of their hand motions and microscopic view.CONCLUSION:Simultaneous recording the surgical field out of the operating microscopic view by a small camera set on the microscope is comprehensive and improves surgeons-in-training understanding and learning surgeries.
