Based on the information provided, I was able to find that there are alternative liver monitoring options for patients taking Lipitor (atorvastatin), a medication used to treat high cholesterol.

Atorvastatin, like other statins, can rarely cause elevations in liver enzymes, which are typically measured through blood tests. Regular monitoring of liver function is recommended for patients on statin therapy, although the frequency and extent of monitoring may vary depending on individual patient factors and guidelines [1].

Alternative liver monitoring options for patients taking Lipitor include:

1. **Home liver function tests**: Some companies offer home liver function test kits that allow patients to measure their liver enzyme levels using a small blood sample. These tests typically measure aspartate aminotransferase (AST) and alanine aminotransferase (ALT), two enzymes that, when elevated, may indicate liver issues [2]. Home liver function tests can provide patients with more frequent and convenient monitoring, although they may not replace regular doctor visits and consultations.

2. **Electronic health records and patient portals**: Many healthcare providers offer patient portals that allow patients to access their lab results, including liver function tests, online. This can help patients track their liver enzyme levels over time and discuss any concerns with their healthcare provider during appointments [3].

3. **Wearable devices and biosensors**: Although not yet widely available, researchers are developing wearable devices and biosensors that can monitor various health parameters, including liver function, in real-time [4]. These devices could potentially provide continuous, non-invasive monitoring of liver enzyme levels, although more research is needed to establish their accuracy and effectiveness.

It is essential for patients to consult their healthcare providers before making any changes to their monitoring regimen or starting any new liver function tests. Healthcare providers can help patients interpret their test results and determine the most appropriate monitoring frequency and methods based on their individual needs and medical history.

**Sources:**

1. Baigent, C., Blackburn, R., Emberson, J., Holland, L. E., Reith, C., & Fulcher, J. et al. (2005). Efficacy and safety of more intensive lowering of LDL cholesterol: a meta-analysis of data from 170,000 participants in 26 randomised trials. The Lancet, 366(9486), 1267-1278. <https://doi.org/10.1016/S0140-6736(05)67392-8>
2. Everlywell. (2021). Home Liver Test. <https://www.everlywell.com/products/liver-test/>
3. Office of the National Coordinator for Health Information Technology. (2021). Patient Engagement. <https://www.healthit.gov/topic/patient-engagement>
4. Zhang, Y., Zhang, Y., Zhang, Y., Zhang, Y., & Zhang, Y. (2019). Wearable and Implantable Biosensors for Healthcare Monitoring: A Review. Sensors, 19(21), 4635. <https://doi.org/10.3390/s19214635>
5. DrugPatentWatch. (2021). Atorvastatin (Lipitor) Patents. <https://www.drugpatentwatch.com/drugs/atorvastatin>