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Consultation-Liaison Psychiatry

Psychiatric care and team approach for patients with medical illness.

Written by: Saygı Hospital Health Guide Editorial Board
Published:

This content is for general information; please consult your physician for diagnosis and treatment.

References (5)

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What is Consultation-Liaison Psychiatry?

Consultation-liaison (C-L) psychiatry is a subspecialty providing psychiatric care to medically and surgically ill patients in general hospital settings. It bridges the gap between psychiatry and the rest of medicine, recognizing that physical and mental health are deeply intertwined. C-L psychiatrists evaluate and treat patients whose psychiatric conditions complicate their medical illness or vice versa.

The most common reasons for psychiatric consultation include delirium (the most frequent and dangerous), depression and anxiety in medically ill patients, capacity assessment for medical decisions, suicide risk evaluation, somatic symptom and conversion disorders, substance use disorders complicating hospitalization, and psychiatric emergencies in medical wards.

Liaison psychiatry differs from consultation: while consultation responds to specific patient referrals, liaison embeds psychiatry in medical teams (oncology, transplant, ICU, palliative care) to provide proactive support. This integrated model improves outcomes, reduces length of stay, prevents readmissions, and enhances team functioning. C-L psychiatry is foundational to integrated and value-based care.

Symptoms

Delirium: acute confusion, fluctuating attention, perceptual disturbances
Depression in medically ill: persistent low mood, loss of motivation, hopelessness
Anxiety: agitation, panic, refusal of needed procedures
Capacity concerns: impaired understanding of treatment options
Suicidal ideation: persistent thoughts of self-harm during admission
Somatization: physical symptoms without medical explanation
Substance withdrawal: alcohol, opioid, benzodiazepine withdrawal in inpatients
Difficult patient-staff interactions and communication challenges

Risk Factors

Older age and cognitive impairment (delirium risk)
ICU admission and mechanical ventilation
Pre-existing psychiatric history
Severe medical illness (cancer, end-stage organ failure, transplant)
Chronic pain or palliative care
Substance use disorders
Limited social support and isolation
Communication barriers (language, cognitive)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • New onset confusion, agitation, or hallucinations during hospitalization
  • Persistent depression, anxiety, or sleep disturbance affecting recovery
  • Refusal of recommended medical treatment (capacity question)
  • Suicidal statements or self-harm during admission
  • Substance withdrawal symptoms requiring management
  • Patient or family difficulty coping with serious diagnosis
  • Symptoms suggesting somatization or functional disorder
  • Pre-transplant or pre-bariatric surgery psychiatric clearance

Treatment Methods

01
Delirium management: identify causes, manage environment, low-dose antipsychotics if severe
02
Depression in medical illness: SSRIs, mirtazapine; consider drug interactions and renal/hepatic adjustment
03
Anxiety: short-term benzodiazepines if necessary, SSRIs for ongoing treatment
04
Capacity assessment: structured evaluation of understanding, appreciation, reasoning, expressing choice
05
Substance withdrawal: protocolized management (CIWA for alcohol, COWS for opioids)
06
Crisis intervention: brief therapy, family meetings, social support coordination
07
Liaison work: education and support of medical staff for psychiatric symptom recognition
08
Bridging to outpatient care: discharge planning with mental health follow-up

Which Department to Visit?

You can visit our Psikiyatri department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.