Immediate Post-Operative Care
Dsicuss about the Holistic Approach Of Critical Care Nursing.
Cardiac surgery is among the most hectic areas in acute nursing care (Clark, et al 2015). Some of the common surgical operations include Aortal-coronary bypass graft, valve repair and replacements, the repair of aortic root and removal of intracardiac tumors though less common. For cardiovascular surgical patients such as the arterial bypass grafts, there is need for immediate post-operative care practices such as warming, physical examination and assessments and tests among others. Other post-operative managements include hemodynamic management, transfusion of RBC’s and treating of medical bleeding. This paper focuses on the major post-operative nursing strategies that help to minimize challenges in patient management such as intravenous fluid management.
The immediate post-operative care includes the examination of the patient from the surgical room, transportation to the ICU and recording of patient information. The end of the surgery is marked by the preparation of moving the patient from the operation room to the post-operative recovery room. This may also include the ICU or any other high unit that enables and supports a patient’s recovery. In transporting the patient from the surgical room to the ICU, several measures must be observed including; hemodynamic monitoring. Special attention must be given to intravascular volume status and systemic arterial blood pressure to ensure it is consistent with the health guidelines and does not pose a bursting of blood vessels or a clot in a major blood vessel (Mann and Carr, 2018).
Management of the airway is another major post-operative care that is necessary to ensure that the anatomic airway is maintained for a patient who has been extubated during the surgery. The endotracheal tube patency and security is also key in ensuring effective management of the airway most especially if the patient is to remain intubated. Meissner, (2015) sufficient ventilation is a key factor that has to be addressed positive pressure ventilation which in turn ensures that the patient is able to effortlessly maintain enough tidal volume and respiratory rate. Assessment of any internal bleeding should also be done again at this point and all the chest tubes carefully examined to prevent a pneumothorax. After all these precautionary measures, the patient is prepared to be transported to the ICU for further post-operative care.
Arachchi, et al (2016) transportation of the patient to the ICU should ensure a constant high rate of vigilance and care. Efficient routine systems of patient transportation need to be adhered to. Some of these include continuous hemodynamic monitoring and continued intravenous infusions. The transport time and method is not distinct but varies depending on the conditions of the patient and the environment. In very critical conditions, the surgical room can be modified to fit and support intensive care of the patient. Failure to conduct the movement carefully and efficiently may cause arrhythmias due to fluid shifts that arise as a result of hemodynamic instability.
Transporting the Patient to the ICU
Supplemental oxygen is also considered as very important to the patient. It is therefore advised that the anesthesia provider to ensure enough oxygen and ventilation to the patient throughout the transportation process all the way to the intensive care unit. Insufficient ventilation and lack of oxygen has been observed to cause post-operative hypoxia. Neuromuscular blocking agents and anesthetics have also been found to cause hypoventilation which may in turn cause atelectasis.
In cases of inadequate ventilation, Egerod, (2015) it is not advisable to use BPAP or CPAP but a bag valve mask device or a transport ventilator. It is highly recommended to use compact ventilators which ensure adequate positive pressure ventilation it also ensures suitable amounts of positive end expiratory pressure where it is necessitated. Portable ventilators connected to enough oxygen supply are increasingly important since this prevents hypoxic prevalence to the patient. It is important to monitor sufficiency of ventilation using esophageal stethoscope, physical examination of a chest rise. Oxygen sufficiency can also be efficiently monitored using a portable pulse oximeter. Transport beds that do not have positive end expiratory pressure (PEEP) should be improvised to account for it if need arises.
Shewale, et al 2015 explains that uninterrupted hemodynamic monitoring is necessary to be made possible due to the fact that transducers and transfer cables can be added to the transport bed. This allows an uninterrupted monitoring until the patient reaches the recovery area. Infusions and fluids that were previously being administered to the patient should be maintained. This may include drug infusions. However, if a patient is in a stable condition, some of these infusions one may halt them after flushing in order to reduce the complexity of transportation. Before considering to halt the infusions, it is also considerably important to consider and explore all other available alternatives. For instance, pacemakers and intra-aortic balloon pumps, ventricular assist devices among others may form part of the primary solutions if they are feasible.
Upon successful transportation of the patient to the ICU, the surgical team if expected to pass on information about the patient. A review of the patient’s cardiac health, anesthetic condition, heart rate and rhythm should be conducted. The nurses at the ICU should first collect the history information from the patient chart and the surgeon. The main details should include the patient age and sex, the condition of the operation result such as any difficulties or complications encountered and not withholding the success of the whole procedure. The type and indicators of operation should also be noted. These may refer to whether it was a valve repair, transplant, grafts among others and location in the body (Leon, et al 2016).
Management of the Airway
Information of any inotropes, vasopressors and antihypertensive. It is also important to take into account the pre-operative medications that had been administered to the patient and if the patient is allergic to any conditions or substances to avoid causing asthmatic or allergic reactions. They should also look at the need for using intra-aortic balloon pump and ventricular assist devices for heart failure conditions. It is also important to consider that difficulties arising from off pump may indicate myocardial preservation problems or problems with revascularization techniques. Finally present co-morbidities of various related cardiac disorders should be evaluated to present and avoid the prevailing pre disposing factors.
Conducting a physical examination to assess the patient’s condition is also a key factor in ensuring the health of the patient. This includes ensuring that the endotracheal tube is properly located and positioned which ensures that the patient has enough air and has therefore prevented any risk of tube displacement or pneumothoraxes. Checking and monitoring of ABG results immediately and prior ensuring adequate patient’s oxygen saturation. Precise ventilator settings and initial hemodynamic readings is necessary to determine the vasoactive infusions that the patient has and what changes that may be needed (Miladinia, 2016).
A complete neurologic exam by checking all the pupillary reflexes are necessary when the patients begins to awake and recover. It is of grave importance to observe heart sounds for patients of valve surgery. This may include checking for murmurs, abdomen and peripheral pulses. Repeated assessment is significant for accurate readings. Finally the nurses need to examine the heart rhythm, mediastinal drainage sumps and the chest which helps to determine whether the patient is bleeding and the extent of the bleeding Gregersen, et al (2015).
Apart from the immediate post-operative measures, there are also post-operative measures that are not conducted immediately after the surgical operation. Continuous post-operative measures include tests, warming, treatment of bleeding, relieving cardiac tamponade and hemodynamic management. Lab tests such as electrocardiogram and a chest X ray are necessary to detect any abnormalities that may deter the recovery of the patient. Other simple operations such as glycemic control for about six hours after the surgical operation reduces infection morbidities.
Administration of potassium and magnesium to counter the diuresis that is notable in the first few hours is necessary. This administration is necessary since diuresis in not well controlled may cause hypokalemia and hypomagnesaemia. These two conditions poses a high risk of contracting dysrhythmias.
Efficient Routine Transportation Systems
According to Barnard, (2017), warming is another important routine practice that accompanies Cardio Pulmonary Bypass. It is always advisable to let patients warm to at least 34 degrees Celsius. Hypothermia causes ventricular dysthymias. It also reduces the VF thresholds. It also increases myocardial workload. The patient may start to shiver due to increased peripheral oxygen intake. One of the many advantages of warming is that decreases carbon dioxide production. Rewarming is also important in that it helps to ease the bleeding since unlike coagulopathy, it does not impair platelet function.
Brown, et al (2017) explains that bleeding is a common complication of surgical patients. It can be classified in two categories namely; medical bleeding and surgical. It can occur immediately after the operation or later in the process of recovery in the ward. Medical bleeding is mainly caused by abnormalities in the coagulation cascade. Surgical bleeding may arise from several surgical complications such as consistent bleeding caused by one of the important homeostatic factor. This may happen if the warming is not done efficiently too. An immediate increase of blood pressure may also pre dispose one to surgical bleeding. Some of the etiology mechanisms undertaken to control surgical bleeding include residual heparin effect which means that complete coagulation is done to patients before CPB with heparin. Heparin is then finally reversed with a calculated dose of protamine. It is also common for patients to receive additional heparin if they are given back blood that was left in the arteries when they were connected into the blood pump (Cunningham, et al 2014).
Another operation involves detecting qualitative platelet defects and resolving them. Platelet failure may be caused by several reasons which include the use of CPB. The CPB may cause reduction of platelets number due to hemodilution, aggregation or even in the worst cases destruction (Morton, et al (2017). Finally, it is worth noting that clotting factor deficits may also cause surgical bleeding thus one needs to take into account and resolve these deficits.
Medical bleeding is manageable using several practices such as correct hypothermia, managing blood pressure, use of protamine, fresh frozen plasma, and use of antifibrinolytic agents and raising the head of the patient among several other operations. Protamine is used in cases of increased ACT. Protamine should however be strictly administered in careful consideration that excess amounts makes a good anticoagulant. It may also cause reactions such as hypoxia, hypertension and systemic hypotension.
Importance of Supplemental Oxygen
According to Moorhead, et al (2014). Use of vasopressin, mostly recommendable is DDAVP. This has been known to reduce active bleeding by improving the platelet function. Platelets transfusion mostly recommended are five units that improve the level of platelets enormously and also provide clotting factors. Fresh frozen plasma may be used in place of vasopressin or together with the same. The main aim is to introduce and maintain clotting factors at favorable levels to ease the bleeding. Use of antifibrinolytic agents is essential since it prevents plasminogen converting to plasmin which in turn prevents activation of fibrinolysis. These agents also are essential in controlling risk of thrombosis such as acute graft thrombosis. It is worth noting that the method of therapy administered should be based on the laboratory tests. Good care should be taken on patients who are allergic to certain conditions and those living with lifestyle disorders to avoid more complications of their bleeding condition.
Brown, et al (2017) managing hypotension is also a continuous post-operative operation carried out on post-surgical patients. Many a times, cardiac surgery has been known to cause hypotension, a variety of dysthymias can come about with ventricular or arterial descent. The patients with a higher risk are those that have had incomplete revascularization. These patients are also likely to have myocardial ischemia which may also result from myocardial stunning.
In conclusion, it is worth noting that the method and choice of post-operative measure influences the desired outcome. It therefore necessitates that careful consideration is done before the appropriate method is arrived at. Using prophylaxis for instance to counter atrial fibrillation may decrease the amount of time spent in the ICU.
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