Questions tagged [surgery]

The treatment of injuries or disorders of the body by incision or manipulation, esp. with instruments.

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1answer
56 views

How do neurosurgeons drill into skull without damaging the brain?

I stumbled upon some videos showing real brain surgeries and noticed how the surgeon often uses a hand-held drill to create a hole in the skull (for accessing the brain). This made me wonder: How does ...
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Are deaths resulting from medical procedures reported and searchable?

In New York State are specialists, surgeons, anesthesiologists, etc. reported to a state agency when a patient, undergoing surgery or medical procedure with them, dies during the procedure or from ...
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What is meant by surgical stabilization?

This idiom pops up in many articles, yet I have yet to find a definition of it, because it's always used in a specific context (e.g. surgical stabilization of the spine)... I know that the meaning of ...
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How is a ruptured blood vessel repaired? (Drew Bledsoe)

A famous near-fatal injury is the ruptured blood vessel suffered by Drew Bledsoe in a football game in 2001. He was hit in the chest by the tackler's shoulder and this sheared a blood vessel in his ...
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Does alternating silicone sheets with silicone gel yield a better scar reduction than using silicone sheets or silicone gel alone?

ScarAway's packaging mentions (ScarAway is one of the main brands for silicone gels and silicone sheets in the United States): For best results: Use as part of a complete scar treatment regimen, ...
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Why are the surgical margins for invasive ductal carcinoma less than the margins required for invasive ductal carcinoma in situ?

Per the NCCN guidelines version 4.2020 (which is unfortunately pay-walled), for invasive ductal carcinoma (IDC), the recommended margins are no tumor on ink, while isolated ductal carcinoma in situ (...
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1answer
43 views

Fat cut out and repositioned in facial surgery - how does it survive and reattach?

I watched a surgery on youtube here. It's a lower blepharoplasty - a cosmetic surgery to remove "eye bags". The surgeon in that video cuts out small chunks of fat from pockets around the eye....
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How would someone with medical experience treat a closed fracture of the tibia without proper equipment?

Let's assume a few people were stranded in the wilderness and didn't have access to proper medical equipment. One suffers a simple, closed fracture of the tibia right between knee and foot joint due ...
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90 views

When performing a vasectomy with cautery combined with fascial interposition, is it preferable to use dissolving sutures or a clip?

According to https://vasectomie.net/Vasectomy_AUA_guideline.pdf: The panel does not advocate the omission of FI (fascial interposition) in performing open ended vasectomy with MC (mucosal cautery). ...
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Is an open-ended vasectomy easier to reverse than a closed vasectomy?

Is an open-ended vasectomy easier to reverse than a closed vasectomy? https://www.vasectomy.com/question/is-open-testicular-end-vasectomy-better-11304 says: So the proponents of [open-ended ...
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Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies?

Are open-ended vasectomies less likely to cause post-vasectomy pain than closed vasectomies? I have found https://www.vasectomy.com/question/is-open-testicular-end-vasectomy-better-11304: This is ...
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How does the length of the vas deferens excised during vasectomy impact the risk of recanalization after a vasectomy?

The studies I've found so far are old and/or inconclusive. https://www.fertstert.org/article/S0015-0282(02)04924-5/fulltext (2003, not a large sample size and a surprisingly high spontaneous ...
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Does the risk of recanalization increase if a person chooses an open-ended vasectomy (which closes only testicular end of the vas deferens)?

https://www.medicalnewstoday.com/articles/326737#vasectomy-reversal: The risk of recanalization may increase if: a person chooses an open-ended vasectomy, which closes only one end of the vas ...
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Does fascial interposition significantly improve vasectomy success when mucosal cautery is the method of vas occlusion?

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC406425: Fascial interposition significantly improves vasectomy success when ligation and excision is the method of vas occlusion. A limitation of this ...
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Is there any long-term upside in having an open-ended vasectomy instead of a closed vasectomy, given that all open vasectomies will eventually close?

https://www.theturekclinic.com/blog/choosing-an-open-or-closed-vasectomy-in-beverly-hills/: First off, all open vasectomies will eventually close. It’s what the body does with leaks. It just takes ...
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After a meniscal repair of a torn discoid meniscus, is re-injury less likely than than the risk of tear before repair? [closed]

A discoid meniscus is said to have a greater chance of being torn. If torn and subsequently repaired would the chance of reinjury be less than prior to the tear. Would this depend greatly on age?
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How to access your doctor or surgeon's medical “track record” before a surgery or procedure

United States here, and New York state specifically (if it matters). Our five year old son needs to have an endoscopy performed with a local GI specialist. I understand its a simple procedure, but ...
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Why is the Virchow node involved in Gastric Adeonocarcinoma?

The lymph node drainage of the stomach is via the pyloric and related lymph nodes. Either way, the supraclavicular node (Virchow's node) is not the first lymph node that drains the Stomach. According ...
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142 views

Why don't dentists use stitches after doing a tooth extraction?

I had tooth extraction in 2007. Dentist didn't use stitches just gave me a cotton told me to hold onto it with teeth. Bleeding last for 3-4 hours. Usually, however, bleeding will almost completely ...
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How do hospitals decide whether to reopen elective surgeries during this COVID-19 pandemic?

Many hospitals have cancelled or postponed elective procedures due to the current COVID-19 pandemic. What kinds of considerations are ethics committees making when deciding to reopen elective ...
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83 views

Why is it necessary to fast before a procedure involving anesthesia?

Before dental or surgical procedures involving anesthesia, there is a common instruction for patients to avoid eating or drinking for some time before their scheduled procedure. Is this because the ...
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48 views

Is it ok to buy non-sterile scalpels for non-medical reasons during the COVID outbreak?

I'm working on a non-medical project. Its only relationship to COVID is that I'm at home now and have more time to devote to it. For this project, I need to use scalpels. Because I'm only cutting ...
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42 views

Medical instruments for pushing something out of the way

In the Russian classification of medical instruments, some instruments are grouped under the title "medical instruments for moving aside": The description says: "Instruments whose working ...
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73 views

Rationale for Pilocarpine instillation after retrobulbar haemorrhage

BACKGROUND: Retrobulbar haemorrhage may occur due to retrobulbar block. Immediate pressure bandage after instilling one drop of 2% pilocarpine and postpone of operation for a week is advised. What is ...
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i have appointment for “Elektiv-Ambulanz” (Germany) [closed]

I have an appointment for "Elektiv-Ambulanz", what does it mean I want to do my surgery as an outpatient instead of inpatient.
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What are the most significant breast tissues in Gynecomastia?

From prior research I understand that only these types of tissues can cause gynecomastia: Adipose tissue ("watery") Mammary Gland Tissue ("viscous") Excessive skin tissue ("saggy") Connective Tissue ...
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Are transorbital lobotomies still considered ethical these days?

Psychosurgery has a controversial history and despite modifications still raises serious questions about benefit, risks, and the adequacy with which consent is obtained. Its continued use is defended ...
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What happens in an operating theatre when a fire alarm goes off?

What happens in an operating theatre, during complex surgery that cannot be safely interrupted, when a fire alarm goes off and is not a test? I assume that there is some sort of protocol in place?
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What are the names of surgical instruments?

My questions Please tell me the names of scissors (1) and (2) of the following figure. Please also refer to the differences in characteristics of (1) and (2) for the case when we use ...
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Videos of surgery

Where can I find a website which contains videos of open trauma (HD if possible)? I want to accustom to these views (because I am a medical student).
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What would a nearly-universal list of medical specialties look like

I need to create easy to read universal list of medical specialties. This goal seems impossible if taking into account subspecialties - in most countries they are pretty different. Since there are no ...
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What is the likelihood of effective repair of septal perforations greater than 2 cm?

With septal perforations >2 cm that have clear borders what is the likelihood of establishing blood supply over the inserted cartilage after septal repair? How much of the existing mucosa can be ...
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42 views

Application of acellular dermal matrix (ADM) and other external materials in transgender female's vaginoplasty

I am a transgender female who is looking for SRS options. I would like to know if there is any method of operation that allows the doctor to perform vaginoplasty with ADM material or other external ...
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How does sleep affect anesthesia? [closed]

Before surgery that requires anesthesia the patient is told stuff like don't eat. Some people cannot sleep well prior to surgery. Can having a full night or regular good sleep fair better for ...
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Will cryolipolysis reduce fat cell's total number in human?

As we known, fat cell's number will not decrease for adults. Without other surgery, new fat cell will replace the dead fat cell and keep the total number constant. A and B are two people with same ...
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Does corrective eye surgery for affect the ability to focus similar to corrective lenses?

If corrective lenses adjust the point at which the eyes focus and, for a strong correction, inhibit the ability to focus at the opposing distance, will corrective eye surgery affect vision in the same ...
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1answer
66 views

Surgery of the hemorrhoid or other veins

I got curious what really happens to the cut blood vessels after they were operated on at an arbitrary point... and how the blood circulation remains consistent(, especially if the blood vessel is a ...
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1answer
72 views

Is there a common standard to assess the safety of medical procedures?

Many medical procedures (which are less or more necessary) like LASIK, joint replacement, tonsillectomy or gallbladder removal are described for patients as very safe (usually with a high number of ...
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1answer
67 views

How is “histologically invasive diameter” assessed in live patients?

Quote: A total of 34 patients were registered between July 2009 and June 2012. The mean age was 53.5 years. The median follow-up time was 23.7 months (2-24 months). The age at the time of ...
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113 views

How are surgical patients kept still while awake?

Certain surgeries require the patient to be awake and lucid to be performed safely. If the patient has clonus, epileptic seizures, tremors, or any of a number of other symptoms, staying still during ...
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598 views

The Ethics of extra treatment

This is something that I have been considering for quite a while based on a fictional story I had read. An unconscious individual must undergo emergency surgery in order to stabilise them and prevent ...
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Hernia repair with a mesh

I'm wondering if hernia repair with a mesh prevents the hernia from growing. I'm imagining a sort of plaster being placed over the hernia but the hole still being there and growing. Or is the mesh ...
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If a patient arrives at the ER unconscious and needs immediate surgery, will they be put under general anesthesia?

I can't seem to find an answer to this question anywhere, but I'm sure that there's some kind of procedure for this situation. Assuming attempts at resuscitation fail, what is the next step for a ...
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48 views

Is it technically possible to replace aging body part and live forever? [closed]

I heard that iPS cells can be used to make some human organs (Takebe, et al. 2013). If we make young organs using regenerative medical techniques and replace aging organs with them, can we live ...
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71 views

Medical procedure to sever the brain's ability to communicate with the heart?

So, I think I read some-where that there is a surgical procedure to server the heart's ability to communicate with the brain, for reasons. A negative consequence of this was not being able to, for ...
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Thumb RCL reconstruction - Abductor Pollicis Brevis vs Palmaris Longus

Tearing the Radial Collateral Ligament in the thumb seems to be way less common than tearing the Ulnar Collateral Ligament in the thumb and so I'm having trouble finding relevant information on Google....
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88 views

How do doctors deal with fear of blood?

For me personally it is very hard to watch scenes from movies/documentaries where the surgeon cuts patient's skin. I don't get any discomfort from seeing blood or wounds but it's almost unbearable to ...
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139 views

Why do surgeons wear blue aprons during surgeries?

In most cases, the surgeon wears a white apron, but during a surgery he is wearing a blue apron, why blue?
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85 views

adequate exposure of the surgical field

What is meant by "adequate exposure of the surgical field" is this sentence: During cardiac surgery, it is necessary to aspirate blood from the cardiac chambers to provide adequate exposure of the ...
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1answer
57 views

How common is Anaesthesia Awareness?

Anaesthesia awareness or intraoperative awareness is a situation in which the patient is partially awake during a surgery. How common are such incidences and what are potential problems associated?