IMG_1590.jpg

IMG_1591.jpg

Explain each of the treatment in a very detailed and an easy language.

Reading File

Finding Sources

Reading File

Finding Sources

Reading File

I now have enough from the textbooks plus the detailed notes in the images. Let me now write out the full, detailed, easy-language explanation.

Specific Management of Abnormal Uterine Bleeding (AUB) - Detailed Explanation

Your notes cover the management of heavy/abnormal uterine bleeding, which is one of the most common gynaecology problems. The approach is split into medical treatments and surgical treatments. Let me explain each one clearly.

FIRST STEP: Identify the Cause

The very first thing is to figure out WHY the patient is bleeding.

Structural lesion (something physically wrong - like a fibroid, polyp, cancer): Treat the cause directly (remove the fibroid, remove the polyp, etc.)
Non-structural lesion (no physical abnormality found - hormonal imbalance, etc.): Go through the stepwise treatment below.

STEP 1: Control the Bleeding

If Bleeding Is Controlled:

Give Oral Iron + Maintenance Drugs

Oral Iron: The patient has been bleeding heavily, so her iron stores are depleted. Oral iron replenishes this, treats anaemia, and improves energy levels.
Maintenance drugs: These are ongoing hormonal medicines to prevent the bleeding from coming back (like the oral contraceptive pill, progestins, tranexamic acid, etc.)

STEP 2: Blood Transfusion (When Bleeding Persists)

Blood transfusion is given when the patient has lost too much blood and the haemoglobin (Hb - the oxygen-carrying protein in blood) has dropped dangerously low.

Exact Indications (When to Transfuse):

Situation	Threshold
Puberty menorrhagia (heavy bleeding at a young age, teenage girl)	Hb < 7 g/dL
Hb < 5 g/dL OR unstable vitals (low BP, fast pulse, patient is collapsing)	Transfuse immediately
Before planned surgery (Sx)	Hb < 10 g/dL

Why? When haemoglobin is very low, the body cannot carry enough oxygen. The heart, brain, and other organs start to suffer. A blood transfusion directly replaces the lost red blood cells and restores oxygen delivery.

STEP 3: Second-Line Medical Treatments

If first-line drugs fail or bleeding keeps coming back, we use more powerful hormonal drugs.

A. GnRH Analogues (e.g., Leuprolide, Goserelin)

What are they? GnRH = Gonadotropin-Releasing Hormone. Normally, your brain releases GnRH to tell the pituitary gland to release LH and FSH, which then tell the ovaries to make estrogen. GnRH analogues are synthetic versions of this hormone.

How do they work (Mechanism)? When given continuously (not in pulses), they actually switch OFF the entire hormonal axis:

LH (Luteinising Hormone) falls ↓
FSH (Follicle Stimulating Hormone) falls ↓
Estrogen (E) falls ↓

No estrogen → No stimulation of the uterine lining (endometrium) → Endometrial lining stops growing → Blood loss falls

Think of it like this: if you cut the power supply to a factory, all the machines stop working. Here, GnRH analogue cuts the hormonal "power supply" to the uterus.

Disadvantages:

Expensive - These injections cost a lot.
Menopause-like symptoms - Because estrogen is now very low (like after menopause), the patient gets: hot flushes, mood swings, vaginal dryness, bone loss (osteoporosis risk).

When is it used?

Maximum duration: 6 months only (beyond this, bone loss becomes too serious)
Before endometrial ablation (see below) - to thin the uterine lining, making surgery easier and safer

B. Ormeloxifene (60 mg twice daily × 12 weeks)

What is it? Ormeloxifene is a SERM = Selective Estrogen Receptor Modulator. It is also called "Centchroman" and was widely used in India.

How does it work? It blocks estrogen receptors specifically in the uterus (endometrium). When estrogen cannot act on the uterus:

Endometrium becomes thin (atrophy = shrinkage of lining)
Less lining = less bleeding every month

The word "selective" is key - it blocks estrogen in the uterus but may still allow estrogen to work in bones (protecting them) - which is why SERMs are useful.

Dose: 60 mg twice daily for 12 weeks

Status: The notes mark it as "Obsolete" - it was popular in India for many years but is no longer the preferred choice due to better alternatives.

C. Intravenous (IV) Estrogen / Ethinyl Estradiol (for Acute/Emergency Bleeding)

Dose: 50 mg × 5 days, followed by Progesterone

When is it used? Severe acute bleeding (as shown in the scenario: "Severe bleeding × 15 days, USG Normal, Pregnancy test -ve, Endometrial biopsy normal")

How does it work? High-dose IV estrogen rapidly causes the endometrial lining to grow and seal over the bleeding vessels. Think of it like pouring concrete over a crack - it fills the gap. Then progesterone is added afterward to allow a controlled, organised shedding (withdrawal bleed).

D. OCPs - Oral Contraceptive Pills (for Acute/Severe Bleeding)

Dosing schedule for acute heavy bleeding:

Phase	Dose
First 2 days	Every 4-8 hours (very frequent - to rapidly stop the bleeding)
Next 5 days	Every 12 hours (tapering down)
Next 14 days	Once daily (maintenance)

Why this tapering schedule? The goal is to first slam on the brakes (very frequent dosing) and then slowly ease off while the uterine lining stabilises. Stopping abruptly would cause a sudden bleed.

SURGICAL TREATMENTS

When medical treatment fails OR the patient has completed her family (doesn't want more children), surgery is considered.

Both conditions must be met for surgery:

Failure of medical management AND
Complete family (no desire for future pregnancy)

1. Endometrial Ablation

What is it? Ablation means "destruction." In this procedure, the inner lining of the uterus (endometrium) is destroyed up to 4-6 mm deep. Without the lining, there is very little or no bleeding each month.

Think of it like burning the "carpet" inside the uterus - without the carpet, there's nothing to shed.

Two Generations of Techniques:

First Generation (done under hysteroscope = a camera placed inside the uterus):

Method	How it works
Rollerball	A ball-shaped electrode rolls over the lining and burns it with electrical energy
Laser	A laser beam is directed at the lining to destroy it
TCRE (Transcervical Resection of Endometrium)	The lining is cut and removed using an electrical loop

Risk: All 1st generation methods need a fluid (distension medium) to expand the uterus so the camera can see. This fluid can sometimes be absorbed into the bloodstream, causing fluid overload (too much fluid in circulation → swelling, heart strain). This is a known complication.

Second Generation (NOT done under hysteroscope):

Method	How it works
Cryosurgery	A probe is placed in the uterus and freezes the lining to destroy it
Hydrothermal ablation	Hot saline (salt water) is circulated inside the uterus to thermally destroy the lining

Advantage: No hysteroscope needed → No risk of fluid overload (the uterus is not distended with fluid under pressure).

Contraindications (when NOT to do endometrial ablation):

Pregnancy (obviously, the baby would be harmed)
Wants future pregnancy / Incomplete family (the uterine lining is destroyed, making pregnancy nearly impossible)
Endometrial hyperplasia / Cancer (the procedure doesn't treat cancer; you need more aggressive surgery)
Active pelvic infection (spreading the infection further into the uterus would be dangerous)
IUCD in place (Intrauterine Contraceptive Device - must be removed first)

2. Uterine Artery Embolisation (UAE)

Specific indication: FIBROID

What is it? A procedure done by an interventional radiologist (not a surgeon). A thin flexible tube (catheter) is threaded through the groin artery into the uterine arteries. Tiny particles are then injected to block (embolise) the blood supply to the fibroid.

Without blood supply → the fibroid shrinks and dies → bleeding reduces.

Why fibroids specifically? Fibroids are highly vascular tumours that depend on blood supply. Cut the supply and they shrink. This procedure preserves the uterus (no cutting), which is great for women who want to keep their uterus.

Bailey and Love's Surgery describes it as: "UAE involves blocking the blood supply to the fibroids using particles embolised into each uterine artery via an angiographic catheter." - Bailey and Love's Short Practice of Surgery, p. 1607

3. Hysterectomy (Surgical Removal of the Uterus)

Indication: Perimenopausal woman (approaching menopause) who has concomitant uterine pathology (other uterine problems alongside AUB, like fibroids + adenomyosis, etc.)

What is it? The entire uterus is removed. This is a permanent, definitive cure for AUB because once the uterus is gone, there can be no more bleeding.

Why only perimenopausal? In a young woman, removing the uterus is a huge decision with major quality-of-life implications (no future pregnancies, hormonal changes). In a perimenopausal woman who is already close to menopause and has troublesome additional pathology, the risk-benefit balance favours surgery.

Summary Table

Treatment	Main Mechanism	Key Points
Oral Iron	Replenishes iron stores	Given after bleeding is controlled
Blood Transfusion	Replaces lost red blood cells	Hb <7 (puberty), <5 (unstable), <10 (pre-op)
GnRH Analogues	Switch off LH/FSH/Estrogen → thin endometrium	Max 6 months; causes menopause symptoms
Ormeloxifene (SERM)	Blocks estrogen in uterus → atrophy	60 mg BD × 12 weeks; now obsolete
IV Estrogen	Seals bleeding vessels rapidly	Used in acute emergency bleeds
OCPs	Hormonal stabilisation of endometrium	Tapering dose over 21 days
Endometrial Ablation	Destroys uterine lining 4-6 mm deep	1st gen (hysteroscope) vs 2nd gen (no scope)
UAE	Cuts blood supply to fibroid	Specific for fibroid; preserves uterus
Hysterectomy	Removes uterus entirely	Perimenopausal + uterine pathology

The key theme across all treatments is: start with the least invasive and work up. Oral iron → hormonal drugs → ablation → hysterectomy. Surgery is always a last resort when medical treatment has failed and family is complete.

This is a shared conversation. Sign in to Orris to start your own chat.