Guest post by Dr. Steven Ang

This article is a personal review of some of the Picosecond lasers currently available in the market. The relevant distributors in Singapore had provided information on these lasers, when the machines were tested in November and December 2016.

The first commercially available Picosecond laser was the Picosure, introduced by Cynosure Inc about four years ago. Since then, more of such lasers have entered the market. When launched, the Picosure was a 755 nm Alexandrite laser, but Cynosure has since taken measures to introduce two other wavelengths, 1064 nm and 532 nm. All the other companies primarily used the 1064 nm and 532 nm wavelengths, in addition to other wavelengths. These wavelengths are usually introduced to tackle the problem of removing stubborn green and blue inks in tattoos.

For anyone contemplating to purchase a Picosecond laser, the first question that naturally comes to mind is: Is there a need? Is the Picosecond laser really superior to the more commonly available and much less expensive Nanosecond Laser?

According to a systematic review article in the journal, Lasers in Medical Science, in September 2016, the Picosecond laser had not proven its superiority over the Nanosecond laser in the removal of blue and black tattoos. However, in the same journal in February 2017, Forbat, Ali and Al-Niaimi posited in a letter that the applications of the Picosecond laser could extend beyond tattoos to pigmentation reduction and tissue remodeling.

On deeper analysis, the Picosecond technology is rather persuasive. The idea seems logical that when the pulse width is narrowed, laser energy can be more efficiently converted into the mechanical stress needed to fracture particles into smaller fragments, which are easier for the body to remove, and there is less risk for side effects. When used in the removal of tattoos, for example, the notion that the laser exerts a photoaccoustic effect and not a photothermal effect, appears reasonable. Therefore, this can shorten the number of treatments needed.

In evaluating which laser to purchase, I believe you need to consider the following factors:

Is it effective? For this, you can look for published studies and also news about the lasers. One limiting factor is that since Picosecond lasers are relatively new, there may a paucity of studies, and even if available, the sample size is usually small. You should try out each laser for yourself to determine the relative efficacy.

What are the technical specifications? 1000 picoseconds equal 1 nanosecond. To me, in a simplistic way, the lower the wavelength is in picoseconds, the more potential it has. If a greater range of power and fluence is available, the more flexible it is. It is arguable whether you still need a Nanosecond mode, but it is always reassuring if the mode is present.

What is your primary reason to purchase the equipment? I believe that in Western countries, the primary reason is to remove tattoos. In Asia, the main reason may be to treat hyperpigmentation like melasma.

What is your budget? The Picosecond laser doesn’t come cheap and you need to set aside a budget of about USD$200,000 or more. You need to plan carefully to optimize your return of investment.

Are there any local factors that may influence your purchase? For example, the strength of representation of the distributor/agent in your state/country is important. The major manufacturers usually have their appointees in each state/country. The track record of the distributor/agent in servicing and repairing machines is important. Another local factor to consider is whether the machine can be used on your local electricity grid or whether you need to make special adaptation.

Should you buy a new machine or a used one? Because of the short history of the Picosecond lasers, there may not be many used units in the market. Check the usage clocked, the ease to service the machine and the potential costs to service and if need be, repair the equipment.

I have reviewed the following Picosecond lasers: The Discovery Plus from Quanta, the Pico Plus from Lutronic, the Picoway from Syneron-Candela and the Enlighten from Cutera.

A comparison is given at Table 1.

Name of Laser

	Discovery Pico Plus	Pico Plus	Picoway	Enlighten
Manufacturer		Quanta System S.p.A	Lutronic Corporation	Syneron-Candela	Cutera
Wavelength 1		Nd: YAG 1064 nm	Nd:YAG 1064 nm	Nd:YAG 1064 nm	Nd:YAG 1064 nm
	PICO, pulse duration Maximum energy	450 ps 800 mJ	750 ps 600 mJ	450 ps 400 mJ	750 ps 600 mJ
	Q-switched, pulse duration Maximum energy	6ns 800 mJ	2ns 800 mJ	Not applicable	2 ns 600 mJ
	Opti-pulse, pulse duration Maximum energy	6ns + 6ns 1.2 J	Not applicable	Not applicable	Not applicable
	Photo-thermal, pulse duration Maximum energy	300 ms 2 J		Not applicable	Not applicable
Wavelength 2		FD Nd:YAG 532 nm	FD Nd:YAG 532 nm	FD Nd:YAG 532 nm	FD Nd:YAG 532 nm
	PICO, pulse duration Maximum energy	370 ps 300 mJ	Available	375 ps 200mJ	750 ps 300 mJ
	Q-switched, pulse duration Maximum energy	6 ns 400mJ	Available	Not applicable	2 ns 300 mJ
Wavelength 3		Ruby 694 nm, QS, 30 ns, 1200 mJ	595 nm Gold Toning	785 nm	Not applicable. In the process of introducing 670 nm
	PICO, pulse duration Maximum energy	Not applicable		Will be in picoseconds, not available in Singapore yet
	Q-switched, pulse duration Maximum energy	30 NS 1200 mJ		Not applicable	Not applicable
	Photo-thermal, pulse duration Maximum energy	2 ms 2J		Not applicable	Not applicable
Wavelength 4		Not applicable	660 nm RuVY Touch	Not applicable	Not applicable
Fractional laser or equivalent		Yes, 8 mm fractional round hand piece	Yes, Focused Dots 1064 nm	Yes, Resolve hand pieces	Yes, Micro Lens Array Fractionated System
Price		++++	+++	+++++	++++
Strengths		Versatile. High energy.	Many types of hand pieces with different wavelengths.	Easy to use and ergonomic. Size fits in any office.	Known for PICO Genesis in skin toning.

In conclusion, whichever machine you purchase, there is bound to be some element of regret as each machine has its relative strengths and weaknesses. It is only human to always think that the grass is greener on the other side. Just make a decision and move on.

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Have you ever paid a commission for Botox and laser treatments? Although it’s very common ... it’s also very illegal.

During the past several years, a very troubling trend has developed in the medical spa industry. Nurses, nurse practitioners, physician assistants and laser technicians are being paid by commission in order to incentivize them to bring new business into the spa. This is very lucrative for both the spa and the individual, but unfortunately, in most states, it is illegal.

However, by accepting commissions for Botox treatments, she was engaging in illegal fee-splitting. Not only could she face significant monetary sanctions if she continued to do so, but both she and her supervising physician risked immediate suspension or revocation of their licenses if the state learned she was taking commissions.Fee-splitting refers to dividing or sharing fees from medical services between a physician and a nonphysician. In most states, all fees generated for medical treatments must be paid directly to a physician or physician-owned corporation. No one other than the physician—including nurses, physician assistants or any nonphysician medical practitioners—may receive any share of a medical fee.

Although the prohibition against fee-splitting has been on the books in most states for years, the practice of paying commissions has become quite prevalent in the medical spa community. This is probably because, in medical spas, most medical directors do not want to spend time firing lasers or injecting since other services can be more lucrative. As a result, injections and laser treatments are delegated to other medical professionals, who, in turn, develop a large client base. An easy way to compensate those professionals is to pay commission.But the consequences for fee-splitting are severe. In most states, the state licensing board has the power to revoke, suspend or refuse to renew licenses in response to fee-splitting allegations. Accordingly, regardless of the monetary incentives, it is always advised to avoid paying or receiving commissions. A safe alternative to fee-splitting is to use a pre-set bonus structure—the nonphysician can still be rewarded for performance, but the bonus is not related to the number of treatments performed.

Recently, a client called me with an urgent concern. This client, a registered nurse in Chicago, worked in a medical spa as an injector and laser technician. She was well-compensated: In addition to an hourly salary, she was also given a commission—a percentage of net revenue—for every Botox and laser treatment she performed. And boy did this nurse perform—during the past 12 months, she personally had generated more than $350,000 in revenue for the spa.

Her concern arose from a conference she had recently attended where she learned that most states have laws prohibiting fee-splitting. She was informed that taking commissions on Botox and laser treatments might land her in hot water with the state nursing board. She explained that this didn’t make sense, given that she had been receiving commissions for years, and that the physicians who paid her surely wouldn’t risk their licenses by doing something illegal.

It is imperative for any medical spa professional to seek legal counsel immediately if being paid a commission for medical treatments. The laws of each state vary and are often difficult to find, but as is often the case, ignorance of the law is never an excuse.

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Silicone gel implants have a more natural feel and look. Unlike silicone gel, implants containing only saline do not blend well with surrounding tissues at the edges of the implants. This is due to the chemical properties of salt water which is chemically charged as positive and negative charges that attract each other as opposed to silicone gel which does not carry a charge. Thus saline is more cohesive than silicone. What this means in clinical terms is that saline implant margins are more visible than silicone gel implant margins, especially when the soft tissue (breast gland and fat) between the outside world and the implant is thinner. Thus, in those patients with smaller breasts (less glandular tissue and/or fat) it is preferable to place saline implants under the chest muscle.

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Over on Freelance MD, I've posted a couple of articles about taking responsibility for yourself and "building your own ship" , and we've also gone through a few common reasons why physicians aren't the best at career modification.

In this post, I'd like to spend a little time introducing you to the idea of "lifestyle design," something that has become a bit of a buzz-phrase in the business world but as far as I can tell hasn't penetrated the world of medicine just yet (for a lot of reasons).

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With the spreading of social media into nearly every aspects of our lives, it is worth pausing and reflecting upon their value.

Are you tweeting yet? Posting to your Facebook wall? How about connecting through LinkedIn? How big is your cirlce in Google+? With the onslaught of social media, there is mounting pressure to join each network, manage conections and monetize these various social media outlets. It seems as if social media has become the dominant measuring stick for how well you are doing as a business and how well you are connecting with others.

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