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Surgical video documentation and Surgical video documentation and video editing video editing DR SREEJOY PATNAIK DR SREEJOY PATNAIK HON. PROF. IMAMS HON. PROF. IMAMS BARIATRIC AND METABOLIC SURGEON BARIATRIC AND METABOLIC SURGEON SHANTI OMNI SUPER SPECIALITY HOSPITAL, SHANTI OMNI SUPER SPECIALITY HOSPITAL, CUTTACK CUTTACK

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Surgical video documentation and Surgical video documentation and video editingvideo editing

DR SREEJOY PATNAIKDR SREEJOY PATNAIKHON. PROF. IMAMSHON. PROF. IMAMS

BARIATRIC AND METABOLIC SURGEONBARIATRIC AND METABOLIC SURGEONSHANTI OMNI SUPER SPECIALITY HOSPITAL, SHANTI OMNI SUPER SPECIALITY HOSPITAL,

CUTTACKCUTTACK

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All surgeons should have fair amount of working All surgeons should have fair amount of working knowledge with respect to computers and their knowledge with respect to computers and their effective usage in day to day surgical practiceeffective usage in day to day surgical practice

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VIDEO DOCUMENTATIONVIDEO DOCUMENTATION

Recording of operations is of paramount importance asRecording of operations is of paramount importance as

1. Documentation of the steps , problems encountered 1. Documentation of the steps , problems encountered and procedure followedand procedure followed

2. Unique tool for analysis & surgical audit2. Unique tool for analysis & surgical audit

3. Invaluable self learning tool. SWOT analysis 3. Invaluable self learning tool. SWOT analysis (strength , weakness , oppurtunities and threats ) of (strength , weakness , oppurtunities and threats ) of where you standwhere you stand

4. Any problem encountered can be reviewed by a 4. Any problem encountered can be reviewed by a mentor for advice on improving techniquementor for advice on improving technique

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In India video recording of the procedure is In India video recording of the procedure is not compulsory by law unlike several not compulsory by law unlike several countries like USAcountries like USA

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Options for recordingOptions for recording

VCR ( video cassette recorder )VCR ( video cassette recorder )

Almost Obsolete Almost Obsolete

Advantage cheap and easyAdvantage cheap and easy

Disadvantage – analog format (PAL /SECAM etc) so Disadvantage – analog format (PAL /SECAM etc) so can not be directly used in a computercan not be directly used in a computer

Editing videos is time consuming and cumberEditing videos is time consuming and cumbersomesome

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DVR ( DIGITAL VIDEO DVR ( DIGITAL VIDEO RECORDER)RECORDER)

• Records directly on to a DVD ( digital Records directly on to a DVD ( digital video disc)video disc)

• VOB formatVOB format

• Easy to use , portable, cheap Easy to use , portable, cheap

• Can record high quality videosCan record high quality videos

• Disadvantage - can not be edited or Disadvantage - can not be edited or incorporated in power pointincorporated in power point

• But can be converted to other formats But can be converted to other formats like mpeg, avi or wmv format by video like mpeg, avi or wmv format by video converters freely available in internetconverters freely available in internet

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Direct recording onto Direct recording onto computer hard diskcomputer hard disk

• Requires video capture cards or Requires video capture cards or hardware encoders hardware encoders

• Converts analogue video signal Converts analogue video signal output from endovision camera output from endovision camera into computer format video files into computer format video files ( e.g. avi, mpeg I & mpeg II )( e.g. avi, mpeg I & mpeg II )

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RECORDING TO HDDRECORDING TO HDD

Two types Two types Onboard Onboard – inserted into PCI – inserted into PCI

slot ( can be used only slot ( can be used only with desktop )with desktop )

External External - connect via the - connect via the USB port ( used with USB port ( used with both laptop and desktopboth laptop and desktop ) )

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Video formats Video formats Windows media video ( wmv ) Windows media video ( wmv ) – for microsoft – for microsoft

windows media playerwindows media player

- Compatible for presentation in microsoft power - Compatible for presentation in microsoft power pointpoint

Audio-Video Interleave ( avi) Audio-Video Interleave ( avi) – used by most – used by most capture cardscapture cards

- Big sized files- Big sized files

-However can be compressed by codecs like Indeo, -However can be compressed by codecs like Indeo, Divx etcDivx etc

- Not compatible with power point presentation- Not compatible with power point presentation

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Motion picture experts group ( mpeg)Motion picture experts group ( mpeg)

- highly compressed format introduced by Motion - highly compressed format introduced by Motion Picture Expert Group Picture Expert Group

- It comprises of 2 compressed components or layers - It comprises of 2 compressed components or layers

- mpg ( video layer)- mpg ( video layer)

- mp3 ( audio layer )- mp3 ( audio layer )

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Classification of MPEG Classification of MPEG formatsformats

mpeg 1 mpeg 1 - VCD quality low quality - VCD quality low quality

occupies small space on hard diskoccupies small space on hard disk

mpeg 2 mpeg 2 – HQ DVD quality , larger file but high – HQ DVD quality , larger file but high qualityquality

mpeg 4 / mp4 mpeg 4 / mp4 – high quality for blue ray disc . Also – high quality for blue ray disc . Also compressed low quality files can be produced for compressed low quality files can be produced for iPOD or youtube videoiPOD or youtube video

(there is no mpeg 3 format in current usage , it (there is no mpeg 3 format in current usage , it shouldn't be confused with mp3 )shouldn't be confused with mp3 )

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Video editingVideo editing

Softwares –Softwares –

- Adobe premier- Adobe premier

- Corel ( formerly Ulead video - Corel ( formerly Ulead video editor )editor )

-Final cut pro ( Apple)-Final cut pro ( Apple)

-I-movie-I-movie

- Windows movie maker- Windows movie maker

- Pinnacle studio- Pinnacle studio

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ConclusionConclusion

A Surgeon may be regarded as illiterate if he doesn't know A Surgeon may be regarded as illiterate if he doesn't know how to know use computerhow to know use computer

Being knowledgeable only about science, theoretical Being knowledgeable only about science, theoretical operative surgery is grossly insufficient you need to stress on operative surgery is grossly insufficient you need to stress on EBS ( Evidence based surgery)EBS ( Evidence based surgery)

I do record all my cases , both external and lap .I do record all my cases , both external and lap .

If possible try to store images and videos If possible try to store images and videos

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Conclusion --Conclusion --

It is impossible to learn swimming without actually It is impossible to learn swimming without actually jumping into the water ,so just go ahead and start jumping into the water ,so just go ahead and start using our generations greatest inventionusing our generations greatest invention

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THXTHX