- Detalles de la revista
- Formato
- Revista
- eISSN
- 2224-4018
- Primera edición
- 31 Dec 2013
- Calendario de la edición
- 4 veces al año
- Idiomas
- Inglés
The advancement in the critical care medicine and consequently, the improvement in survival after a critical illness have led the clinicians to discover the significant functional disabilities that many of these surviving patients suffer. This has led to further research which is focused on improving the long-term outcomes for the critical illness survivors and their functional recovery.
Post-intensive care syndrome (PICS) describes the disability that remains in the surviving the critical illness. This comprises of impairment in cognition, psychological health, and physical function of the intensive care unit (ICU) survivor.[1, 2] Consequent to this, the psychological health of family members of the survivor may also be affected in an adverse manner, termed as PICS-Family (PICS-F).[1, 2]
PICS is defined as new or worsening impairment in physical (ICU-acquired neuromuscular weakness), cognitive (thinking and judgment), or mental health status arising after critical illness and persisting beyond discharge from the acute care setting.[1, 2]
PICS-F refers to the acute and the chronic psychological effects of critical illness on the family of the patient and includes the symptoms that are experienced by family members during the critical illness as well as those that occur following death or discharge of a loved one from the ICU.[1–4] It has been observed that up to 30% of family or the caregivers experience stress, anxiety, depression, and complicated grief.[3, 4]
PICS is now being recognized as a public health burden due to the associated neuropsychological and functional disability, however its exact prevalence remains unknown.
Cognitive impairment: It has been reported to occur on average in 25% of ICU survivors, but few studies have shown its incidence to be significantly high, occurring in more than 3/4th of ICU survivors.[5-7] The major risk factors associated with it are duration of delirium in ICU, acute brain dysfunction (stroke, alcoholism), hypoxia (ARDS, cardiac arrest), hypotension (severe sepsis, trauma), glucose dysregulation, respiratory failure requiring prolonged mechanical ventilation, severe sepsis, use of renal replacement therapy, and acute respiratory distress syndrome (ARDS), prior cognitive impairment (older age, preexisting cognitive deficits, premorbid health conditions).[8-12]
The risk of developing psychological disability after discharge from intensive care, ranges from one to sixty two percent (%) in the form of depression, anxiety, and post-traumatic stress disorder (PTSD)[6,12-15] The risk factors are same as for cognitive impairment and also include the female gender, lower education level, preexisting disability, and the use of sedation and analgesia in ICU.[14-16]
ICU-acquired neuromuscular weakness is the most common form of physical impairment occurring more than 25% of ICU survivors (poor mobility, recurrent falls, or quadri or tetra paresis).[17-19] Conditions strongly associated with the development of ICU-acquired weakness include prolonged mechanical ventilation (> 7 days), sepsis, multisystem organ failure, as well as prolonged duration of the bed-restore deep sedation.[20–22]
The presentation of PICS can be varied (combination of cognitive, psychological, and physical signs and symptoms), the main feature being that these are newly recognized or get worsened after recovering from a critical illness. The symptoms can last for a few months to many years post recovery.[22-23] The common symptoms include generalized weakness, fatigue, decreased mobility, anxious or depressed mood, sexual dysfunction, sleep disturbances, and cognitive issues (memory disturbance/loss, slow mental processing, poor concentration and so on).
Family members of the critically ill patients can be affected similarly (physically and psychologically) during the ICU stay of their loved one and the effects may persist after discharge. The major risk factors for PICS-F are poor communication between staff, being in a decision-making role, lower educational level, and having a loved one who died or was close to death. The most common problems experienced by family members include sleep deprivation, anxiety, depression, complicated grief, and PTSD.[23]
All patients being admitted into the ICU facility should undergo a psychological evaluation that includes: (a) preadmission history, (b) ability to adapt to stress in past, (c) medication history, (d) current mental and clinical status, and (e) environmental and family factors. The treatment of the ICU syndrome includes: (a) the elimination or correction of causative factors, (b) the appropriate administration of sedatives (anxiolytic and antipsychotic agents), (c) reduction or elimination of sources of environmental stress, and (d) frequent patient and family communication.
As always said “Prevention is better than cure,” the same implies for the management of PICS. The most important preventive strategies shown to have a positive impact in preventing the long-term functional disabilities associated with PICS include limiting the use of deep sedation and encouraging early mobility in the ICU patients, along with aggressive physical and occupational therapy.[24–27] This requires a multidisciplinary approach for the best outcome and successful management.
The ABCDE bundle has been used with good preventive rates for PICS.[25, 27-29] This comprises of:
Additional interventions to prevent PICS include: (1) Avoiding hypoglycemia and hypoxemia. (2) ICU diaries: Maintenance of ICU diary prospectively by the family members, health care providers, or both during the patient’s ICU stay, has shown to decrease symptoms of PTSD, and can be used as a holistic tool to provide support and care to the patient and family.[29–30] (3) Creating post-ICU clinics to provide follow-up counseling and support to the patients and family.[31] Clinicians should also provide proper education about resources that assist in promoting rehabilitation. (4) Maintaining good nutritional status and adequate sleep of the patient.
Depression, anxiety, and PTSD are treated with a combination of pharmacotherapy and non-pharmacological, psychological, and behavioral therapies.[15]
Physical dysfunction requires a multidisciplinary treatment program that includes exercise, physiotherapy, occupational therapy, and symptom management including rehabilitation.
The above article emphasizes on the physician’s awareness of PICS in the patients surviving a critical illness and the irresponsibility towards the patients beyond saving their lives. The extra effort, time and care by forming a multidisciplinary management plan can improve the long-term functioning capacity and quality of life of the ICU survivors and also their families.
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