This month a very interesting study about Endoscopic Fusion was published in Global Spine Journal.
Conclusions: ALIF and trans-Kambin pTLIF obtained comparable clinical outcome and fusion rates, while segmental lordosis restoration was favorable for ALIF. pTLIF required less surgery time and presented less intra-operative complications, while ALIF reported lower rates of post-operative subsidence, revision surgery and complications during follow-up.
You can read the full article here.