science

LIFT technique

LIFT technique is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand LIFT technique rather than just read about it. In short: LIFT technique is the novel modified approach through the intersphincteric plane for the treatment of fistula-in-ano, known as LIFT (ligation of intersphincteric fistula tract) procedure. LIFT procedure is based on secure closure of the internal opening and removal of infected cryptoglandular tissue through the intersphincteric approach.

Key takeaways

LIFT technique belongs to science; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect LIFT technique to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of LIFT technique from memory before moving on to harder problems.

Reference excerpt

LIFT technique is the novel modified approach through the intersphincteric plane for the treatment of fistula-in-ano, known as LIFT (ligation of intersphincteric fistula tract) procedure. LIFT procedure is based on secure closure of the internal opening and removal of infected cryptoglandular tissue through the intersphincteric approach. Essential steps of the procedure include, incision at the intersphincteric groove, identification of the intersphincteric tract, ligation of intersphincteric tract close to the internal opening and removal of intersphincteric tract, scraping out all granulation tissue in the rest of the fistulous tract, and suturing of the defect at the external sphincter muscle. The procedure was developed by Thai colorectal surgeon, Arun Rojanasakul, Colorectal Division Department of Surgery, Chulalongkorn University in Bangkok, Thailand. The first report of preliminary healing result from the procedure were 94% in 2007 In 1993 Matos et al. described a technique of total anal sphincter preservation in high fistula in ano, which is based on the concept of excision of intersphincteric anal gland infection through the intersphincteric approach. This novel technique was also documented in Corman’s textbook of colon and rectal surgery. However, the technique was not widely adopted. Between 2004 and 2005 there was a personal experience in the similar technique by group of surgeons. That technique included coring out the intersphinteric fistula tract from the external opening to the external sphincter, excision of the intersphincteric fistula tract and suture of the internal sphincter defect through the intersphincteric plane. The outcome in 20 patients was disappointing with only 9 (45%) successes. Surgeons proposed that the reasons for the unfavorable outcome include dissection in the intersphincteric plane damaging blood supply to the internal opening area, and suturing delicate ischemic areas with increased risk of suture break-down. Surgeons thought that ligation of the intersphincteric tract close to the internal opening might solve the problem. Surgeons noticed that during intersphincteric plane dissection if the internal sphincter was damaged and the anal mucosa breached, failure was common despite meticulous repair. Researchers of the procedure agree that the LIFT technique may cause some injury to internal sphincter, but theoretically LIFT causes less trauma of the internal sphincter than the other fistula operations. Matos et al. reported the technique of excision of the whole fistula tract plus primary repair, with intersphincteric plane approach for excision of the fistula tract and suturing of the internal anal sphincter defect, in 1993. However, Rojanasakul reported the ligation of intersphincteric fistula tract in 2007 with apparent satisfactory results probably due to secured closure of the internal opening. This represents a significant change from the originally described technique with improved outcomes .

Surgical technique Identify the internal opening Incision at intersphincteric groove Dissection through intersphincteric plane to find intersphincteric fistula tract Secure suture ligation of intersphincteric fistula tract Remove the fistula tract Curette fistula tract from external opening Suture closure of external sphincter muscle defect Closure of intersphincteric wound

References

External links VDO clip show step by step of LIFT technique from the originator

Illustrations

Worked examples

Example 1 — a first encounter with LIFT technique

Start with the simplest possible case. Write down what LIFT technique claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to LIFT technique before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about LIFT technique ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of LIFT technique

In research: LIFT technique appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses LIFT technique in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: LIFT technique is common in secondary-school and first-year university syllabi. It links to neighbouring topics Colorectal surgery, Digestive system surgery, so understanding it makes those chapters shorter.
In everyday life: Look for LIFT technique outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study LIFT technique in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what LIFT technique means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain LIFT technique out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is LIFT technique in simple terms?

Why does LIFT technique matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study LIFT technique?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on LIFT technique.