Acute Liver Failure Definition and Criteria
The definition and criteria of acute liver failure
are specific. Doctors diagnose ALF when there is:
-
Rapid loss of liver function in someone without known
chronic liver disease
-
A bleeding tendency (abnormal clotting, shown by a high INR)
-
Confusion or altered consciousness (hepatic encephalopathy)
-
All developing within days to weeks (usually under 26 weeks)
This combination, rapid failure with encephalopathy and clotting
problems, is what separates true acute liver failure from milder
acute liver injury.
Acute Liver Injury vs Acute Liver Failure
It helps to know the difference between
acute liver damage (also called acute liver injury)
and acute liver failure, because the keywords and the severity differ.
|
Acute Liver Injury / Damage |
Acute Liver Failure (ALF) |
| What it means |
Sudden liver inflammation or damage |
Severe, rapid loss of liver function |
| Confusion (encephalopathy) |
Absent |
Present (a key feature) |
| Severity |
Often recovers with treatment |
Life-threatening, needs emergency care |
Acute liver injury can progress to acute liver failure if not
treated, which is why any sudden, severe liver problem should
be assessed urgently.
Causes of Acute Liver Injury and Failure
Knowing the acute liver injury causes helps
with urgent treatment, because some causes have a specific
antidote. The main causes in India are:
| Cause |
Notes |
| Viral hepatitis (A and E) |
A very common cause of ALF in India, often
from contaminated food or water
|
| Drug and medicine overdose |
Paracetamol overdose and some other medicines;
may have a specific antidote if treated fast
|
| Herbal and alternative remedies |
Certain unregulated herbal or traditional
products can cause severe liver injury
|
| Pregnancy-related |
Rare conditions in late pregnancy (see below)
|
| Other causes |
Severe infections, toxins, and rare metabolic
or autoimmune conditions
|
Because some causes are reversible with fast treatment,
identifying the cause quickly is a critical first step.
Symptoms and Early Signs of Acute Liver Failure
The early signs of acute liver failure can be
mistaken for a stomach upset or viral illness, which is why
they are easy to miss. The symptoms and signs
to act on are:
-
Yellowing of the eyes and skin (jaundice),
often rapidly worsening
-
Nausea, vomiting, and loss of appetite
-
Pain or discomfort in the upper right abdomen
-
Confusion, drowsiness, slurred speech,
or unusual behaviour,
a crucial warning sign (encephalopathy)
-
Easy bruising or bleeding
The most important red flag is
new confusion or drowsiness in someone with jaundice.
This signals the brain is being affected and needs emergency
care without delay.
Stages of Acute Liver Failure
The stages of acute liver failure are described
in two ways: by how fast it develops, and by the grade of confusion.
-
By speed:
hyperacute (within 7 days), acute (up to 4 weeks),
and subacute (up to 26 weeks)
-
By brain involvement:
grades 1 to 4 of hepatic encephalopathy,
from mild confusion to coma
The grade of encephalopathy, together with blood tests,
helps the team judge how urgent transplant assessment is.
Understanding the Final Stages of Liver Failure
Families often search for the
final stages of liver failure out of fear.
It is important to know that acute liver failure, unlike
end-stage chronic disease, can often be reversed with fast
treatment or an emergency transplant, even when a patient
is very unwell.
Deep confusion or coma, severe bleeding, and failing kidneys
are signs the liver failure is advanced and that transplant
assessment is urgent, not that hope is lost. This is exactly
the situation where getting to a transplant centre quickly
can save a life.
Diagnosis and Blood Tests for Acute Liver Failure
Fast, accurate acute liver failure diagnosis
guides emergency treatment. The key
acute liver failure blood tests
and investigations are:
-
Liver function tests:
very high SGPT and SGOT, and high bilirubin.
See
what high SGPT and SGOT mean
.
-
Clotting tests (INR / PT):
a high INR shows the liver cannot make clotting
proteins, a key sign of failure
-
Ammonia level:
often raised, and linked to the confusion
-
Tests for the cause:
viral hepatitis screening, paracetamol level,
and other specific tests
-
Imaging:
ultrasound and other scans to assess the liver
and rule out other problems
Acute Liver Failure in Children
Acute liver failure in children is uncommon
but extremely serious, and it needs a centre set up for
paediatric liver emergencies. Families searching for
hospitals for treatment for acute liver failure in kids
need a team with a paediatric liver ICU and a transplant
programme, because a child with ALF can deteriorate quickly
and may need an emergency transplant. Causes in children
include infections, metabolic conditions, and certain medicines.
Our centre assesses and manages paediatric ALF alongside our
paediatric liver transplant programme
.
Acute Liver Failure in Pregnancy
Acute liver failure in pregnancy is rare
but dangerous for both mother and baby. It can be caused
by pregnancy-specific conditions in the later stages of
pregnancy, as well as viral hepatitis, which can be more
severe in pregnancy. It is a medical emergency needing
urgent, coordinated care between liver specialists and
obstetricians. Any pregnant woman with jaundice, severe
vomiting, or confusion needs immediate hospital assessment.
Acute Liver Failure Treatment in Delhi
The goal of acute liver failure treatment
is to support the body, treat the cause, and decide quickly
whether an emergency transplant is needed. Treatment has
two main parts:
| Approach |
What It Involves |
| Intensive medical care |
ICU support for the brain, kidneys and
circulation; treating the cause (including
antidotes where available); managing
bleeding and infection
|
| Emergency liver transplant |
For patients whose liver will not recover,
an urgent liver transplant can be life-saving.
See liver transplant
|
Some patients recover with intensive medical care alone,
especially when the cause is reversible and treated fast.
Others need an
emergency liver transplant
.
The decision is time-critical, which is why ALF must be
managed at a centre with both a liver ICU and a transplant
programme. Read our guide on
acute liver failure and the race against time for
an emergency transplant
.
Why Choose Our ALF Care in Delhi?
In acute liver failure, every hour counts, and the choice
of hospital can be the difference between recovery and tragedy.
When looking for an
acute liver failure hospital in Delhi,
an ALF specialist, or an
acute liver failure surgeon,
the things that matter most are:
-
A dedicated liver ICU:
for round-the-clock intensive support
-
An emergency transplant programme:
so a transplant can happen fast if needed,
backed by
1000+ liver transplants
-
Adult and paediatric capability:
ALF affects children too, and needs a centre
ready for both
-
Rapid insurance support:
so approvals do not delay urgent treatment.
See
insurance pre-authorisation for liver transplant
As a transplant surgeon,
Dr. Ashish George
leads emergency liver transplant and surgical care for
acute liver failure at Fortis Hospital, Shalimar Bagh,
Delhi, working with the liver ICU and hepatology team.
For patients searching for
acute liver failure treatment in Delhi
or an acute liver failure surgeon in Delhi,
this combination of intensive care and a ready transplant
programme is what matters most in an emergency.
This is part of our wider
liver and hepatology programme
.
