Bharti Chauhan, a 72-year-old lady was admitted to the acute medical COPD ward at Waikato Hospital in Hamilton, New Zealand. The patient appeared with a slew of symptoms that necessitated immediate evaluation and treatment. Her admission was prompted by a constellation of concerning symptoms, including shortness of breath (SOB), lethargy, and abdominal pain. These symptoms were the primary focus of our clinical assessment and care planning. The medical history of Ms Chauhan was complex, encompassing with a number of chronic diseases. She had a history of obstructive sleep apnea (OSA), a sleep disease characterized by recurring episodes of upper airway obstruction during sleep, resulting in disturbed sleep patterns and possible hypoxia (McNicholas & Pevernagie, 2022). This history was noteworthy since OSA frequently connects with persistent respiratory difficulties including chronic obstructive pulmonary disease (COPD) and can increase respiratory symptoms (Patel et al., 2019).
Ms Chauhan also had a history of type 2 diabetes, hypertension, dyslipidemia, and a high body mass index (BMI), all of which increased her risk of cardiovascular problems. Particularly, Bharti Chauhan's alert status indicated the necessity for continuous positive airway pressure (CPAP) therapy, a conventional treatment for OSA (Liu et al., 2019). Physical examinations were conducted diligently, with vital signs like blood pressure, heart rate, and respiration rate constantly monitored, considering her respiratory and cardiovascular history. In terms of diagnostic considerations, the combination of SOB and a history of OSA led to the evaluation of type 2 respiratory failure (T2RF) as a possible diagnosis (Mirabile et al., 2023). T2RF is a severe deterioration of chronic respiratory failure that is frequently observed in people with OSA as a result of airway obstruction during sleep that results in hypoxia (Locke et al., 2022). The diagnostic picture, nevertheless, went beyond respiratory issues (Locke et al., 2022). Given Bharti Chauhan's gastrointestinal discomfort and her immune state as a result of numerous chronic illnesses, the potential of gastroenteritis diagnosis was considered. Diverticulitis, a disorder that is common in older persons, was also a possibility because of the discomfort in her abdomen (Mansour et al., 2022). Based on her respiratory symptoms and weakened immune system, community-acquired pneumonia (CAP) also couldn't be ruled out.
Apart from this, the cultural and psychosocial facets of Ms. Chauhan's care were crucial. She probably had certain psychosocial needs and preferences that needed to be considered into account in her care plan because she was an elderly patient with a complicated medical background. Her dietary decision for a vegan diet with no animal products should also be respected and incorporated into her care to accommodate her cultural and personal preferences.
Shortness of breath, lethargy as well as abdominal pain were the initial complaints of Bharti Chauhan. The shortness of breath is a significant symptom that requires quick attention, particularly in the elderly patients (McNicholas & Pevernagie, 2022). Lethargy can have multiple causes, including underlying medical disorders, whereas abdominal pain must be carefully evaluated to rule out both gastrointestinal and non-gastrointestinal causes. Medical history of Bharti including Obstructive Sleep Apnea (OSA), type 2 diabetes mellitus (T2D), hypertension (HTN), dyslipidemia, raised BMI, gastroesophageal reflux disease (GORD), Osteoarthritis (OA), anxiety, and depression, provides valuable information regarding the patient’s health condition (Zhai et al., 2020). OSA is of particular importance, given its potential impact on her respiratory status (Patel et al., 2019). OSA is defined by recurring episodes of upper airway blockage during sleep, which can result in hypoxia and daytime drowsiness (Patel et al., 2019). An acute worsening of her chronic OSA is a probable diagnosis, especially considering her need for CPAP therapy, which is a typical treatment for OSA (Liu et al., 2019). However, it is also crucial to explore a diagnosis of acute-on-chronic respiratory failure (T2RF), as her medical history indicates susceptibility to respiratory issues.
A closer examination of her diagnostic test results, including arterial blood gases (ABG) and pulse oximetry readings, provides essential insights. Her ABG values might indicate hypoxemia (low oxygen levels) and hypercapnia (high carbon dioxide levels), which is consistent with T2RF (Nicholson et al., 2020). The alteration in her oxygen and carbon dioxide levels indicates respiratory failure, which corresponds to her respiratory distress (Nicholson et al., 2020). Furthermore, her pulse oximetry values, which aim for oxygen saturation of 88-92%, show that oxygen supplementation is required to maintain adequate oxygenation.
While the respiratory aspect is vital, Bharti Chauhan's abdominal pain should not be disregarded. The causes of abdominal discomfort might range from gastrointestinal to abdominal disorders. Gastroenteritis, characterized by inflammation of the gastrointestinal tract, emerges as a possible explanation for her abdominal pain (Ford et al., 2020). However, it is significant to highlight that gastroenteritis typically presents with gastrointestinal symptoms such as diarrhea and vomiting, which should be investigated in future evaluations. In addition, diverticulitis remains a valid consideration, especially in older adults (Mansour et al., 2022). This condition involves inflammation of diverticula, small pouches that can form in the colon.
Her complex medical history and comorbidities, like type 2 diabetes mellitus (T2DM), hypertension (HTN), dyslipidemia, and obesity, add layers of complexity to the case (Zhai et al., 2020). These medical conditions raise the risk of cardiovascular problems and metabolic imbalances. In addition, her history of gastroesophageal reflux disease (GORD) may aggravate her gastrointestinal discomfort (Kanemitsu et al., 2019). Mental health issues, such as anxiety and depression, provide a new dimension, as emotional and psychological well-being are intrinsically linked to overall health (Kalin, 2020).
The most compelling diagnosis for Bharti’s complex clinical presentation is Type 2 Respiratory Failure (T2RF) with an aggravation of Obstructive Sleep Apnea (OSA) (McNicholas & Pevernagie, 2022). T2RF denotes a serious condition in which the respiratory system is unable to maintain adequate oxygenation and ventilation (Kaleem et al., 2022). An important component of this diagnosis is the increasing severity of OSA. Individuals with OSA are predisposed to chronic hypoxemia and hypercapnia due to repeated upper airway blockage during sleep. In Bharti's case, the overlap of chronic OSA with acute exacerbation is evident from her history and the need for continuous positive airway pressure (CPAP) therapy (Nicholson et al., 2020). T2RF in conjunction with OSA exacerbation exposes the cellular-level pathophysiology, wherein insufficient oxygen delivery inhibits cellular respiration and energy production (Kaleem et al., 2022). This diagnosis highlights the significance of early intervention, including CPAP therapy, as well as addressing underlying issues, including appropriate OSA management, to avoid recurrent exacerbations.
Community-acquired pneumonia (CAP) is considered less likely as a primary diagnosis for Bharti Chauhan based on clinical assessment (Barmanray et al., 2022). She noticeably exhibits none of the traditional CAP symptoms, such as fever, productive cough and chest pain. However, Bharti's immunocompromised state, stemming from her comorbidities such as type 2 diabetes mellitus (T2DM), hypertension (HTN), and other chronic conditions, might theoretically increase her vulnerability to pneumonia (Shoar, & Musher, 2020). A chest X-ray or computed tomography (CT) scan could be considered to definitively rule out CAP if clinical suspicion persists (Garin et al., 2019).
A comprehensive evaluation of Bharti Chauhan's clinical presentation reduces the likelihood that she has gastroenteritis as her primary diagnosis. Although she has abdominal discomfort, but the lack of other crucial gastrointestinal symptoms like vomiting and diarrhea reduces the likelihood of this diagnosis (Ford et al., 2020). Gastroenteritis is primarily characterized by inflammation of the gastrointestinal tract, which is noticeably absent in Bharti’s case. In order to confirm or refute the possibility of gastroenteritis, stool cultures or tests targeting specific pathogens can be considered if clinical suspicion persists (Ford et al., 2020). These tests may provide significant data regarding the presence of pathogens or infectious agents that cause gastroenteritis.
In Bharti Chauhan's situation, diverticulitis is a possible but not conclusive diagnosis. Her primary symptom, abdominal pain, fits the clinical profile of diverticulitis, particularly in older persons. Diverticula, which are tiny pouches can develop in the colon and frequently cause localized abdominal discomfort (Kanemitsu et al., 2019). However, it's essential to note that diverticulitis alone may not entirely account for Bharti’s complex clinical presentation, including considerable respiratory distress requiring oxygen supplementation (Kanemitsu et al., 2019). This discrepancy raises concerns about the causal relationship between her respiratory symptoms and diverticulitis. In order to confirm or exclude diverticulitis, computed tomography (CT) scans of the abdomen can be helpful (Ford et al., 2019). These scans can obtain comprehensive images of abdominal tissues, potentially revealing signs of diverticulitis like inflammation, abscesses, or perforations (Ford et al., 2019).
The most important diagnosis that comes from the thorough examination of Bharti Chauhan's case in the context of evidence-based clinical reasoning is Type 2 Respiratory Failure (T2RF) with an aggravation of Obstructive Sleep Apnea (OSA). T2RF with aggravation of OSA was chosen as the major diagnosis primarily due to its high concordance with Bharti's clinical history and the objective information gleaned from arterial blood gases (ABG) values (Kaleem et al., 2022). Her necessity for CPAP therapy supports her history of OSA. Additionally, her respiratory distress is supported by the ABG values, which show hypoxemia and hypercapnia, indicating respiratory failure (Kaleem et al., 2022). Moreover, this diagnosis encapsulates the multifaceted nature of her clinical presentation by addressing the respiratory aspect while allowing for the possibility of concurrent conditions.
T2RF is characterized by the respiratory system's inability to keep blood oxygenation levels at a healthy level while effectively eliminating carbon dioxide (CO2) from the bloodstream (Zhou et al., 2022). The delicate balance of gas exchange in the alveoli of the lungs is altered in individuals suffering from T2RF (van Zeller et al., 2023). Alveoli are microscopic air sacs that absorb O2 and release CO2 into the bloodstream. This exchange process fails in T2RF, resulting in lower O2 levels in the bloodstream and higher CO2 levels (McNicholas & Pevernagie, 2022). Cellular hypoxia occurs when cells do not receive enough oxygen, compromising cellular metabolism and function. In T2RF, areas of the lungs may receive adequate blood flow but insufficient airflow, or vice versa (Zhou et al., 2022). This results in patches of poorly oxygenated blood, which contributes to systemic hypoxia. Hypoxia can influence energy metabolism by impairing cellular ATP generation. Moreover, it can lead to areas with excessive CO2 buildup, causing hypercapnia (elevated CO2 levels) (Nicholson et al., 2020). Hypercapnia alters cellular pH and can interfere with enzyme functioning. The respiratory muscles, including the diaphragm and intercostal muscles, can become fatigued in T2RF due to the increased effort required to breathe (Nicholson et al., 2020). This muscle exhaustion causes ineffective breathing, exacerbating hypoxia and hypercapnia. These abnormalities can have an impact on the neurological system, the cardiovascular system, and other important organs, potentially resulting in multi-organ dysfunction (Kaleem et al., 2022).
T2RF can be caused by a variety of illnesses, such as chronic obstructive pulmonary disease (COPD), severe pneumonia, neuromuscular abnormalities, and, an exacerbation of Obstructive Sleep Apnea (OSA) (Nicholson et al., 2020). COPD is a major cause of T2RF, especially in elderly persons (Zhou et al., 2022). It is distinguished by persistent inflammation of the airways and lung tissue, which results in decreased lung function. Long-term exposure to risk factors such as smoking is a common aetiological factor and are at a higher risk of developing T2RF (Zhou et al., 2022). T2RF can also be caused by severe pneumonia, especially if it affects a large portion of the lung tissue. The prevalence of pneumonia can vary depending on factors like age, immunization status, and pathogen exposure (Nicholson et al., 2020). It is frequently brought on by bacterial or viral diseases. In addition, Neuromuscular disorders like muscular dystrophy, amyotrophic lateral sclerosis (ALS), and myasthenia gravis can impair the functions of the respiratory muscles, thereby contributing to T2RF (Voulgaris et al., 2019).
In context to Bharti’s case, OSA has been a significant contributor to Type 2 Respiratory Failure (T2RF) contributes to T2RF by affecting ventilation, oxygenation, and carbon dioxide removal when sleeping (Zhou et al., 2022). OSA, a common sleep disorder, is characterized by recurrent upper airway obstruction during sleep. It primarily manifests during sleep when the upper airway muscles relax excessively, resulting in transient airway obstructions (Zhou et al., 2022). The epidemiology of OSA reveals that it is more common in people who have risk factors such as obesity, advanced age, and a family history of sleep apnea (Patel et al., 2019). These variables can predispose people to developing and exacerbating OSA. Individuals with risk factors such as obesity, advanced age, and a family history of sleep apnea are more likely to have OSA (Patel et al., 2019). These variables contribute to the onset and progression of OSA (Patel et al., 2019). Obesity, in particular, is a major risk factor as excess adipose tissue in the neck and throat can constrict the airway, making it more vulnerable to collapse during sleep (Voulgaris et al., 2019). Diabetes and other metabolic problems are also linked to an increased occurrence of OSA (Nicholson et al., 2020). This complex interplay of epidemiological factors emphasizes the diverse nature of OSA and its propensity to worsen respiratory disorders such as T2RF, particularly in people who have a mix of risk factors (Patel et al., 2019).
Bharti's OSA episodes, which are marked by upper airway obstruction during sleep, can raise the likelihood of aspiration. This risk of aspiration transfers gastric bacteria into the respiratory tract, potentially resulting to T2RF. This is specifically relevant given Bharti's symptoms of shortness of breath, which could be exacerbated by respiratory infections (Voulgaris et al., 2019). As a result of the OSA-related chronic upper airway irritation, Bharti may be more vulnerable to respiratory infections. It is easier for bacteria that are typically found in the upper respiratory tract to colonize an irritated airway (Nicholson et al., 2020). Her continuing respiratory distress and requirement for continuous positive airway pressure (CPAP) therapy may be exacerbated by this inflammation (Zhou et al., 2022). Moreover, it can be said that due to OSA, Bharti's sleep is fragmented and is of low quality. This can impair the capacity of her immune system to fight infections. Her immune system may be more vulnerable to respiratory germs as a result, perhaps worsening her respiratory condition.
The main purpose of this therapeutic plan is to optimize her respiratory function, manage her abdominal discomfort, address her comorbidities, and improve her overall quality of life.
Considering Bharti's history of Obstructive Sleep Apnea (OSA) and disturbed respiratory function such as T2RF, CPAP machine therapy will be recommended to the patient (Sawunyavisuth et al., 2021). This therapy can ensure optimal airway patency during sleep, minimize apnea and hypopnea episodes along with improving oxygenation (Sawunyavisuth et al., 2021). Bharti may need supplementary oxygen therapy in addition to CPAP to maintain her target oxygen saturation values of 88-92%. Oxygen therapy like Low-Flow Oxygen Therapy, High-Flow Oxygen Therapy and Non-Invasive Ventilation should be delivered as directed by the physician, with her oxygen saturation levels continuously monitored (Tan et al., 2020). Regular assessments of Bharti's respiratory status, including monitoring of vital signs, lung sounds, as well as ABG analysis, should be conducted to track her progress and adjust therapy when necessary.
Bharti's abdominal pain necessitates an examination by a gastroenterologist. Additional diagnostic procedures, such as abdominal imaging (e.g., CT scan) and endoscopy, may be required to determine whether the underlying cause is diverticulitis or any other gastrointestinal disorder like irritable bowel syndrome or inflammatory bowel disease (Cunningham et al., 2018). Furthermore, effective pain management is critical. To relieve her abdominal discomfort, analgesics and anti-inflammatory medications should be administered as directed by physician (Szigethy et al., 2018).
Comorbidities of the patient such as Type 2 Diabetes Mellitus (T2DM), hypertension (HTN), dyslipidemia, and obesity, must be actively managed. To achieve optimal control of these conditions, medications and lifestyle changes like dietary adjustments and exercise should be customized to her unique needs (Zhai et al., 2020). Apart from this, considering Bharti's history of anxiety and depression, psychological support is said to be essential. To manage her emotional health, strengthen her coping skills, and improve her general quality of life, collaborative care with a mental health specialist is recommended (Kalin, 2020).
Bharti's diet should be carefully assessed and modified to align with her comorbidities and overall health goals. A balanced diet, with a focus on managing her T2DM and obesity, should be included in the therapeutic plan (Carneiro-Barrera et al., 2022). Her dietary preferences, like her preference for a vegan diet devoid of animal products, should also be taken into account while preparing meals. Moreover, the patient will be highly encouraged to engage in regular physical activity tailored to her abilities and medical condition.
It is also essential for the nurse to ensure that Bharti and her family receive comprehensive education on the correct handling and maintenance of the CPAP machine (Tan et al., 2020). Appropriate information regarding the importance of compliance with CPAP therapy in controlling OSA and avoiding additional exacerbations should be conveyed to the patient and her family. Also, it is also necessary for the nurse to provide knowledge on the value of medication compliance for her comorbidities.
Interprofessional Collaboration: The registered nurse can build up a multidisciplinary care team comprising of a respiratory therapist, gastroenterologist, dietician, and mental health specialist. In order to maintain this coordinated treatment, regular team meetings and communication will be essential for discussing the overall health condition of the patient (Müller et al., 2018). Also, seeking help from home health services can also be recommended to the patient so as to receive additional support and monitoring for Bharti, especially in the initial stages of her treatment and therapy adjustments.
The oral defense of Bharti Chauhan's case served as a profound learning experience for me. I got the opportunity to reflect on the patient care approach and assess the interventions suggested for her severe medical condition (Pursio et al., 2021). This experience has provided me with important new perspectives on the complexity of patient care and the value of a multidisciplinary approach ((Branney & Priego-Hernández, 2018). Firstly, Bharti's case demonstrated the need of rigorous clinical evaluation and the significance of observing minute but crucial facts Her presentation with shortness of breath and abdominal pain was initially perplexing, but through careful noticing and interpretation, we uncovered a complex web of medical issues. This procedure highlighted the importance of healthcare personnel being attentive observers and critical thinkers, particularly when working with patients who have numerous comorbidities.
As I progressed into the interpretation phase, the task of deriving differential diagnoses and verifying a probable diagnosis necessitated a thorough examination of the patient's history, diagnostic findings, and pathophysiological mechanisms at work. It was through this phase that we arrived at the provisional diagnosis of Type 2 Respiratory Failure (T2RF) with an exacerbation of Obstructive Sleep Apnea (OSA) (Sawunyavisuth et al., 2021). This decision was made based on a careful consideration of Bharti's history, ABG results, and the need for CPAP therapy (Tan et al., 2020). However, the acknowledgment that other diagnoses remained plausible highlighted the complexity of clinical decision-making. This process reinforced the significance of evidence-based practice and the need to continuously update clinical knowledge.
The ensuing pathophysiology discussion, particularly with regard to T2RF and OSA, highlighted the complex cellular-level mechanisms underlying these diseases. This in-depth exploration of pathophysiology emphasized that a thorough understanding of disease processes at the molecular level is essential for effective patient care (Branney & Priego-Hernández, 2018). It also served as an indicator of the significance of adopting holistic treatment, which takes into account both the medical and psychosocial aspects of the patient's health.
When formulating the therapeutic plan, it became evident that Bharti's care required a collaborative, patient-centered approach. The approach included treating her respiratory problem with CPAP and oxygen therapy, addressing her abdominal discomfort, controlling comorbidities, and providing mental health care (Müller et al., 2018). This reinforced the idea that healthcare is a team effort, requiring collaboration among various professionals to provide comprehensive care (Müller et al., 2018). Apart from this, I was also acutely aware of the necessity of transparent communication and patient education during the oral defense (Holm, & Dreyer, 2018). It was essential that Bharti and her family comprehend their responsibilities in managing her health. This experience reaffirmed the value of patient advocacy and the responsibility to equip patients with the information they need to make knowledgeable decisions about their care.
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