Dr. Chanvichka, វេជ្ជ. ស៊នរិទ្ធ ច័ន្ទវិច្ឆិកា

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Dr. Chanvichka, វេជ្ជ. ស៊នរិទ្ធ ច័ន្ទវិច្ឆិកា I’m CHANVICHKA originally from Phnom Penh, Cambodia where attended university of health and science as medical doctor.

I’m graduate as medical doctor on December 2021. Currently, I’m working as pediatric surgeon at Jayavarmen Vll hospital, Siemreap.

What Not To Do as a Surgeon — Professionally, Technically, and EthicallyA surgeon’s failures are often not due to lack o...
16/05/2026

What Not To Do as a Surgeon — Professionally, Technically, and Ethically

A surgeon’s failures are often not due to lack of knowledge, but due to lapses in judgment, discipline, communication, humility, or ethics. The following is a high-yield framework applicable across general surgery, surgical oncology, GI surgery, HPB, and private practice.



1. Professional Mistakes to Avoid

Never operate for ego, numbers, or prestige

* Do not perform surgery merely to:

* “Keep the case”

* Increase surgical volume

* Compete with colleagues

* Impress hospital administration

* Avoid referring a difficult patient

A technically successful but unnecessary operation is still bad surgery.



Never promise guaranteed outcomes

Avoid statements like:

* “100% cure”

* “No risk”

* “Simple surgery”

* “You will definitely be fine”

Instead:

* Explain realistic outcomes

* Discuss morbidity honestly

* Document risk counseling

Overconfidence destroys trust after complications.



Never ignore communication

Many medico-legal cases arise from:

* Poor explanation

* Inadequate consent

* Lack of updates to family

* Arrogant behavior after complications

Patients forgive complications more easily than dishonesty or abandonment.



Never disrespect colleagues publicly

Avoid:

* Criticizing previous surgeons in front of patients

* Public humiliation of juniors

* Fighting with anesthesia/ICU/nursing teams

Good surgeons build systems, not fear.



Never abandon a complication

The unethical surgeon:

* Stops answering calls

* Transfers blame

* Delays re-exploration

* Avoids documentation

The respected surgeon:

* Recognizes complication early

* Communicates transparently

* Takes responsibility

* Escalates appropriately



Never practice beyond competence without support

Examples:

* Complex vascular control without backup

* Advanced laparoscopic oncology without training

* Cytoreductive surgery without ICU capability

Courage without competence is dangerous.



2. Technical Errors to Avoid

Never ignore anatomy

Most catastrophic surgical injuries happen because:

* Anatomy was assumed, not identified

* Dissection became hurried

* Bleeding caused panic

Golden principle:

“Identify before you divide.”



Never continue blindly during bleeding

Wrong response:

* Clamping everything

* Aggressive suction without visualization

* Emotional operating

Correct response:

* Compression

* Exposure

* Call for help early

* Gain proximal and distal control

Panic magnifies blood loss.



Never neglect preoperative optimization

Avoid operating on:

* Severe malnutrition without optimization

* Uncontrolled diabetes

* Uncorrected coagulopathy

* Active sepsis unless emergency

Bad timing creates preventable morbidity.



Never underestimate postoperative care

Excellent surgery can fail because of:

* Poor fluid management

* Missed sepsis

* Delayed ambulation

* Inadequate pain control

* Failure to monitor drains

Surgery is not finished at skin closure.



Never persist with unsafe minimally invasive surgery

A major technical sin:

* Delayed conversion to open surgery

Conversion is not failure.

Unsafe persistence is failure.



Never ignore oncological principles

In cancer surgery:

* Do not violate planes unnecessarily

* Do not compromise margins for speed

* Do not perform inadequate lymphadenectomy knowingly

* Do not manipulate tumors excessively

“Quick” oncology surgery often becomes biologically poor surgery.



Never operate when fatigued beyond safety

Sleep deprivation impairs:

* Judgment

* Dexterity

* Decision-making

* Emotional regulation

Fatigue-related errors are real.



3. Ethical Failures to Avoid

Never manipulate indications for financial gain

Unethical behaviors include:

* Unnecessary stenting/surgery

* Inflating disease severity

* Extending ICU stay without indication

* Excessive investigations for revenue

Financial conflict is one of the biggest threats to surgical integrity.



Never hide complications

Do not:

* Alter records

* Delay disclosure

* Give misleading explanations

Ethical disclosure should include:

* What happened

* Current status

* Planned management

* Prognosis

Transparency protects both patient and surgeon.



Never falsify documentation

Absolutely avoid:

* Backdated notes

* False operative findings

* Fabricated consent

* Manipulated pathology correlation

One dishonest note can destroy an entire career.



Never obtain improper consent

Invalid consent includes:

* Rushed signatures

* No discussion of alternatives

* No mention of stoma possibility

* Delegating complex consent entirely to juniors

Consent is a process, not a form.



Never exploit vulnerable patients

Especially:

* Terminal cancer patients

* Low-literacy families

* Financially distressed patients

Ethical surgery respects dignity and autonomy.



Never prioritize social media over patient dignity

Avoid:

* Operating room selfies

* Showing identifiable operative videos without consent

* Exaggerated self-promotion

* “Miracle cure” claims

According to guidelines from the National Medical Commission, professional conduct on social media should maintain patient confidentiality and professional decorum.



4. Cognitive Errors Surgeons Must Avoid

Anchoring bias

* Sticking to initial diagnosis despite contrary evidence

Example:

Assuming postoperative tachycardia is “pain” when it is actually an anastomotic leak.



Hero syndrome

Believing:

* “Only I can save this case”

* “I must attempt everything myself”

Good surgeons know when to:

* Refer

* Stop

* Call seniors

* Involve multidisciplinary teams



Outcome bias

Judging decisions only by results.

Bad decisions can occasionally have good outcomes.

Good decisions can still have complications.

Judge the decision quality, not just the outcome.



5. Dangerous Personality Traits in Surgery

Avoid becoming:

* Arrogant

* Emotionally reactive

* Vindictive

* Non-teachable

* Unable to apologize

* Resistant to audit

The most respected senior surgeons are usually:

* Calm

* Precise

* Humble

* Consistent

* Honest about complications



6. Principles of a Safe and Ethical Surgeon

A good surgeon:

* Operates only when indicated

* Knows anatomy thoroughly

* Converts early when needed

* Documents honestly

* Communicates compassionately

* Audits outcomes

* Learns continuously

* Respects the MDT

* Puts patient welfare above ego and revenue



One-line Surgical Wisdoms

* “The enemy of good surgery is unnecessary surgery.”

* “The first complication usually begins with denial.”

* “Fast surgery is not efficient surgery.”

* “A calm surgeon saves more lives than an aggressive one.”

* “Technical excellence without ethics is dangerous.”

28/06/2025

MIT Study Highlights Potential Cognitive Risks Associated with Prolonged Use of AI Language Models

A recent study from the Massachusetts Institute of Technology has raised important concerns regarding the neurocognitive implications of prolonged reliance on large language models (LLMs), such as ChatGPT, for academic and cognitive tasks.

The longitudinal study followed 54 university students over a four-month period. Participants were divided into three cohorts: those using ChatGPT, those using traditional search tools (e.g., Google), and those working unaided. Researchers employed electroencephalography (EEG) to monitor brain activity during and after task completion.

Findings demonstrated that regular use of ChatGPT for writing tasks was associated with significantly reduced neural activity in regions linked to memory consolidation and executive function. Specifically, LLM users exhibited lower cognitive engagement, diminished recall of their own written content, and reduced originality in their output. This phenomenon was described by the authors as a form of “mental passivity.”

The study, titled “The Cognitive Cost of Using LLMs,” also identified a potential risk of over-reliance on AI-generated responses, fostering echo chambers and discouraging critical appraisal. Alarmingly, even when users transitioned to unaided tasks, previously frequent LLM users continued to show blunted neural engagement, suggesting a possible lingering effect on cognitive flexibility.

Conversely, participants who initially performed tasks without AI support showed increased neural activation when later introduced to AI tools, indicating that foundational cognitive engagement may mediate the effective and balanced use of AI in cognitive workflows.

These findings suggest that while AI tools offer substantial efficiency benefits, their integration into educational and clinical environments must be approached cautiously. AI may serve best as an adjunct to, rather than a replacement for, active human cognition.

“ រាល់ការវះកាត់ទាំងអស់ ខ្ញ៉ំតែងតែគិតថាសាច់ញាត្តិរបស់ខ្ញ៉ំនៅលើគ្រែកំពុងវះកាត់ “ In any operation, I alway think that my r...
12/11/2023

“ រាល់ការវះកាត់ទាំងអស់ ខ្ញ៉ំតែងតែគិតថាសាច់ញាត្តិរបស់ខ្ញ៉ំនៅលើគ្រែកំពុងវះកាត់ “

In any operation, I alway think that my relative on the operation table

“ SCFE “ Slipped Capital Femoral Epiphysis, is a common condition of the proximal femoral physis that leads to slippage ...
12/11/2023

“ SCFE “

Slipped Capital Femoral Epiphysis, is a common condition of the proximal femoral physis that leads to slippage of the metaphysis relative to the epiphysis, and is most commonly seen in adolescent.

Treatment is usually percutaneous pin fixation. Contralateral pinning is indicated for patients at high risk, such as those with an initial slip at age < 10, obese males, and those with endocrine disorders.

Source :

- https://www.orthobullets.com/pediatrics/4040/slipped-capital-femoral-epiphysis-scfe

04/11/2023

Beat Richner hat das Gesundheitssystem in Kambodscha fundamental geprägt. Der Film wirft ein Licht auf den jungen Schweizer Arzt und seine Motivation seine komfortable Welt zu verlassen und sich in das grosse Abenteuer zu stürzen. Zudem geht er der Frage nach, wie es nach seinem Tod 2018 weitergeh...

01/09/2023

“ CLUB FOOT “

Untreated clubfoot correct by Ponseti Methode which is describe in short of ‘ C-A-V-E

Source : https://www.3dclubfootmodel.org

03/05/2023
https://youtu.be/etF6PYFWDHw
12/04/2023

https://youtu.be/etF6PYFWDHw

Transfert du grand dorsal dans le traitement de la rétraction de l'épaule dans la paralysie néonatale du plexus brachial

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